{"title":"Hose couplings with locking nuts, DIN 3238","description":"\u003ch5\u003eHose couplings with locking nuts, DIN 3238\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eThreaded claw couplings according to DIN 3238\u003c\/strong\u003e combine the proven claw coupling with an additional locking nut for mechanical locking of the coupling connection. This category includes male- and female-thread couplings as well as hose couplings for various hose diameters. For the hose versions, variants are available without a safety collar, with a safety collar, and with a crimp ferrule collar. A matching NBR replacement gasket rounds out the product line.\u003c\/p\u003e\u003cp\u003eThe couplings are made of steel or cast iron in a galvanized finish and are designed for professional compressed air applications up to the specified operating pressure. The connection type, thread or hose size, and the appropriate hose connection design are crucial for selection.\u003c\/p\u003e\u003cdiv style=\"background:#f5f5f5;border-radius:10px;padding:18px;margin:22px 0;\"\u003e\n\u003cp style=\"margin:0;\"\u003e✅ Additional locking nut for mechanical locking\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ Threaded claw couplings per DIN 3238\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ Male, female thread, and hose thread types\u003c\/p\u003e\n\u003cp style=\"margin:0;\"\u003e✅ NBR seals and matching replacement gaskets\u003c\/p\u003e\n\u003c\/div\u003e","products":[{"product_id":"aussengewindekupplung-mit-sicherungsmutter-und-gummidichtung-nbr-din-3238-stahl-guss-verzinkt-max-pn-16-grossen-r-3-8-g-1","title":"Male-thread coupling with locking nut and NBR rubber seal, DIN 3238, steel\/cast iron, galvanized, max. PN 16, sizes G 3\/8\" – G 1\"","description":"\u003ch5\u003eKrause K+K male-thread coupling with locking nut DIN 3238 – Lockable safety coupling for compressed air\u003c\/h5\u003e\u003cp\u003eThe male-thread coupling from Krause K+K, conforming to DIN 3238, is a threaded claw coupling with a locking nut designed for compressed air systems requiring enhanced safety. After the two claws are coupled in the conventional manner, the connection is manually secured using the locking nut. This prevents the coupling from coming loose on its own.\u003c\/p\u003e\u003cp\u003eThe coupling has a 42 mm claw spacing with double safety cams. The coupling body is made of galvanized steel\/cast iron, and the locking nut is made of brass. An oil-resistant NBR seal provides the seal. The temperature range is −40 °C to +100 °C, and the maximum operating pressure is PN 16. According to Krause K+K, the series is compatible with all MODY safety threaded couplings.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eBenefits\u003c\/h5\u003e\u003cp\u003e✅ Safety coupling according to DIN 3238\u003cbr\u003e✅ Locking nut for manually securing the connection\u003cbr\u003e✅ Protection against accidental loosening\u003cbr\u003e✅ 42 mm claw spacing with double safety cams\u003cbr\u003e✅ Coupling body made of steel\/cast iron, galvanized\u003cbr\u003e✅ Brass locking nut\u003cbr\u003e✅ Oil-resistant NBR seal\u003cbr\u003e✅ Temperature range: −40 °C to +100 °C\u003cbr\u003e✅ Compatible with MODY safety threaded couplings\u003cbr\u003e✅ Maximum operating pressure PN 16\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\n\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding:10px;text-align:center;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eTranslation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eMale-thread coupling with locking nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eDIN 3238\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eclaw spacing\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eClaw Design\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003edouble safety cam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ecoupling body\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eSteel\/cast iron, galvanized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003elocking nut\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eGasket\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eNBR, oil-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eTemperature range\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e−40 °C to +100 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eoperating pressure\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003emax. PN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eCompatible with MODY safety threaded couplings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVariants\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\n\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003emale thread\u003c\/th\u003e\n\u003cth style=\"padding:10px;text-align:center;\"\u003eItem No. \/ SKU\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eG 3\/8\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e011-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eG 1\/2\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e011-07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eG 3\/4\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e011-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eG 1\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e011-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eHow It Works and Compatibility\u003c\/h5\u003e\u003cp\u003e✔ The two claw couplings are first coupled together like a traditional claw coupling\u003cbr\u003e✔ Next, tighten the locking nut by hand\u003cbr\u003e✔ The locking nut prevents the connection from coming loose on its own\u003cbr\u003e✔ Krause K+K recommends combining a classic claw coupling with a claw coupling with locking nut\u003cbr\u003e✔ According to the manufacturer, the DIN 3238 series is compatible with all MODY safety threaded couplings\u003cbr\u003e✔ The male thread allows for direct mounting on fittings, pipes, and compressed air components\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eOperation and Safety\u003c\/h5\u003e\u003cp\u003eBefore coupling, sealing surfaces, jaws, and the locking nut must be clean and undamaged. After coupling, the locking nut is tightened by hand or according to the intended operating procedure. Before disconnecting a compressed-air connection, the line must be depressurized. Worn seals or damaged coupling parts must be replaced before further use.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eApplications\u003c\/h5\u003e\u003cp\u003e✔ General Compressed Air Systems\u003cbr\u003e✔ Construction Sites and Industry\u003cbr\u003e✔ Compressors and compressed-air lines\u003cbr\u003e✔ Mechanical and Plant Engineering\u003cbr\u003e✔ Applications with increased need for a lockable coupling connection\u003cbr\u003e✔ Professional compressed air and blasting technology within the permissible operating parameters\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhat is the function of the locking nut?\u003c\/strong\u003e\u003cbr\u003eIt secures the coupling manually, thereby preventing it from coming loose on its own.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the claw spacing of the coupling?\u003c\/strong\u003e\u003cbr\u003e42 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich seal is used?\u003c\/strong\u003e\u003cbr\u003eAn oil-resistant NBR seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum operating pressure?\u003c\/strong\u003e\u003cbr\u003ePN 16.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat thread sizes are available?\u003c\/strong\u003e\u003cbr\u003eG 3\/8\", G 1\/2\", G 3\/4\", and G 1\".\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the coupling MODY-compatible?\u003c\/strong\u003e\u003cbr\u003eYes. Krause K+K specifies that the series is compatible with all MODY safety threaded couplings.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eConclusion\u003c\/h5\u003e\u003cp\u003eThe Krause K+K male-thread coupling, conforming to DIN 3238, is a robust safety coupling for professional compressed air systems. The 42-mm coupling head, the manually lockable brass locking nut, the oil-resistant NBR seal, and PN 16 ensure a reliable connection for applications where the coupling must be prevented from coming loose on its own.\u003c\/p\u003e","brand":"Krause K+K","offers":[{"title":"G 3\/8\"","offer_id":53851246559579,"sku":"011-05","price":22.49,"currency_code":"EUR","in_stock":true},{"title":"G 1\/2\"","offer_id":53851246592347,"sku":"011-07","price":22.49,"currency_code":"EUR","in_stock":true},{"title":"G 3\/4\"","offer_id":53851246625115,"sku":"011-09","price":22.49,"currency_code":"EUR","in_stock":true},{"title":"G 1\"","offer_id":53851246657883,"sku":"011-11","price":28.32,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/aussengewindekupplung-mit-sicherungsmutter-din-3238.jpg?v=1787298072"},{"product_id":"innengewindekupplung-mit-sicherungsmutter-und-gummidichtung-nbr-din-3238-stahl-guss-verzinkt-max-pn-16-grossen-g-3-8-g-1","title":"Female-thread coupling with locking nut and NBR rubber seal, DIN 3238, steel\/cast iron, galvanized, max. PN 16, sizes G 3\/8\" – G 1\"","description":"\u003ch5\u003eKrause K+K female-thread coupling with locking nut DIN 3238 – Lockable safety coupling for compressed air\u003c\/h5\u003e\u003cp\u003eThe female-thread coupling from Krause K+K, conforming to DIN 3238, is a claw coupling with a locking nut for compressed air systems that require an additional lockable coupling connection. After the claws are engaged, the locking nut is tightened manually, thereby preventing the connection from coming loose on its own.\u003c\/p\u003e\u003cp\u003eThe coupling has a 42 mm claw spacing with double safety cams. The coupling body is made of galvanized steel\/cast iron, and the locking nut is made of brass. An oil-resistant NBR seal is used. The temperature range is −40 °C to +100 °C, and the maximum operating pressure is PN 16. According to Krause K+K, the DIN 3238 series is compatible with all MODY safety threaded couplings.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eBenefits\u003c\/h5\u003e\u003cp\u003e✅ Safety coupling according to DIN 3238\u003cbr\u003e✅ Manually lockable locking nut\u003cbr\u003e✅ Prevents the coupled connection from coming loose on its own\u003cbr\u003e✅ 42 mm claw spacing with double safety cams\u003cbr\u003e✅ Steel\/cast coupling body, galvanized\u003cbr\u003e✅ Brass locking nut\u003cbr\u003e✅ Oil-resistant NBR seal\u003cbr\u003e✅ Temperature range: −40 °C to +100 °C\u003cbr\u003e✅ Compatible with MODY safety threaded couplings\u003cbr\u003e✅ Maximum operating pressure PN 16\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\n\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding:10px;text-align:center;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eTranslation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eFemale-thread coupling with locking nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eDIN 3238\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eclaw spacing\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e42 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eClaw Design\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003edouble safety cam\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ecoupling body\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eSteel\/cast iron, galvanized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003elocking nut\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eBrass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eGasket\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eNBR, oil-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eTemperature range\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e−40 °C to +100 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eoperating pressure\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003emax. PN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eCompatible with MODY safety threaded couplings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVariants\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\n\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003efemale thread\u003c\/th\u003e\n\u003cth style=\"padding:10px;text-align:center;\"\u003eItem No. \/ SKU\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eG 3\/8\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e012-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eG 1\/2\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e012-07\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eG 3\/4\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e012-09\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eG 1\"\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e012-11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eHow It Works and Compatibility\u003c\/h5\u003e\u003cp\u003e✔ The claws are first connected as with a classic claw coupling\u003cbr\u003e✔ The locking nut is then tightened manually\u003cbr\u003e✔ The tightened locking nut prevents the coupling from opening on its own\u003cbr\u003e✔ Krause K+K recommends combining a classic claw coupling with a claw coupling with locking nut\u003cbr\u003e✔ According to the manufacturer, the DIN 3238 series is compatible with all MODY safety threaded couplings\u003cbr\u003e✔ The female thread allows for mounting on components with a matching male thread\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eOperation and Safety\u003c\/h5\u003e\u003cp\u003eBefore coupling, check the seal, jaws, and locking nut for cleanliness and damage. After coupling, tighten the locking nut according to the intended operating procedure. Before disconnecting, depressurize the compressed-air line. Replace worn seals and damaged coupling parts in a timely manner.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eApplications\u003c\/h5\u003e\u003cp\u003e✔ General Compressed Air Systems\u003cbr\u003e✔ Mechanical and Plant Engineering\u003cbr\u003e✔ Construction Sites and Industry\u003cbr\u003e✔ Compressors and compressed-air lines\u003cbr\u003e✔ Applications with increased need for a lockable coupling connection\u003cbr\u003e✔ Professional compressed air and blasting technology within the permissible operating parameters\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhat is the function of the locking nut?\u003c\/strong\u003e\u003cbr\u003eIt secures the coupled connection manually and prevents it from coming loose on its own.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the claw spacing of the coupling?\u003c\/strong\u003e\u003cbr\u003e42 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich seal is installed?\u003c\/strong\u003e\u003cbr\u003eAn oil-resistant NBR seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum operating pressure?\u003c\/strong\u003e\u003cbr\u003ePN 16.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat female threads are available?\u003c\/strong\u003e\u003cbr\u003eG 3\/8\", G 1\/2\", G 3\/4\", and G 1\".\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs the coupling MODY-compatible?\u003c\/strong\u003e\u003cbr\u003eYes. Krause K+K specifies that the series is compatible with all MODY safety threaded couplings.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eConclusion\u003c\/h5\u003e\u003cp\u003eThe Krause K+K female-thread coupling DIN 3238 connects the quick-connect 42-mm claw coupling to a manually lockable locking nut. Galvanized steel\/cast iron, a brass locking nut, an oil-resistant NBR seal, a temperature range of −40 °C to +100 °C, and PN 16 make it a robust safety coupling for professional compressed air systems.\u003c\/p\u003e","brand":"Krause K+K","offers":[{"title":"G 3\/8\"","offer_id":53851293548891,"sku":"012-05","price":21.66,"currency_code":"EUR","in_stock":true},{"title":"G 1\/2\"","offer_id":53851293581659,"sku":"012-07","price":21.66,"currency_code":"EUR","in_stock":true},{"title":"G 3\/4\"","offer_id":53851293614427,"sku":"012-09","price":25.23,"currency_code":"EUR","in_stock":true},{"title":"G 1\"","offer_id":53851293647195,"sku":"012-11","price":27.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/innengewindekupplung-mit-sicherungsmutter-din-3238.jpg?v=1787298166"},{"product_id":"schlauchkupplung-mit-sicherungsmutter-und-gummidichtung-nbr-din-3238-mit-oder-ohne-sicherungsbund-stahl-guss-verzinkt-max-pn-16-schlauch-lw-6-25-mm","title":"Hose coupling with locking nut and NBR rubber seal, DIN 3238, with or without safety collar, galvanized steel\/cast iron, max. PN 16, hose nominal bore 10–25 mm","description":"\u003ch5\u003eKrause K+K hose coupling with locking nut DIN 3238 – lockable safety coupling for compressed-air hoses\u003c\/h5\u003e\u003cp\u003eThe Krause K+K DIN 3238 hose coupling combines direct hose connection with a manually lockable claw screw coupling. After coupling, the locking nut is tightened to prevent the claw connection from loosening on its own. This makes the coupling particularly suitable for professional compressed-air systems with increased connection-safety requirements.\u003c\/p\u003e\u003cp\u003eThe coupling has a 42 mm claw spacing with double safety cams. The coupling body is made of galvanized steel\/cast iron and the locking nut is made of brass. An oil-resistant NBR seal is used. The temperature range is −40 °C to +100 °C and the maximum operating pressure is PN 16. Depending on the version, the coupling is available without a safety collar, with a safety collar, or with a crimp-ferrule collar. According to Krause K+K, the series is compatible with all MODY safety screw couplings.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eBenefits\u003c\/h5\u003e\u003cp\u003e✅ Safety hose coupling according to DIN 3238\u003cbr\u003e✅ Locking nut prevents accidental loosening\u003cbr\u003e✅ 42 mm claw spacing with double safety cams\u003cbr\u003e✅ Galvanized steel\/cast-iron coupling body\u003cbr\u003e✅ Brass locking nut\u003cbr\u003e✅ Oil-resistant NBR seal\u003cbr\u003e✅ Available without safety collar, with safety collar, or with crimp-ferrule collar\u003cbr\u003e✅ Temperature range −40 °C to +100 °C\u003cbr\u003e✅ Compatible with MODY safety screw couplings\u003cbr\u003e✅ Maximum operating pressure PN 16\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003eFeature\u003c\/th\u003e\u003cth style=\"padding:10px;text-align:center;\"\u003eValue\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eDesign\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eHose coupling with locking nut\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eStandard\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eDIN 3238\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eClaw spacing\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e42 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eClaw design\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eDouble safety cams\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eCoupling body\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eSteel\/cast iron, galvanized\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eLocking nut\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eBrass\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eSeal\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eNBR, oil-resistant\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eTemperature range\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e−40 °C to +100 °C\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eHose connection\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003ewithout safety collar \/ with safety collar \/ with crimp-ferrule collar\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eOperating pressure\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003emax. PN 16\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eCompatibility\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003eCompatible with MODY safety screw couplings\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVariants\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003eVersion\u003c\/th\u003e\u003cth style=\"padding:10px;text-align:center;\"\u003eHose nominal bore (mm)\u003c\/th\u003e\u003cth style=\"padding:10px;text-align:center;\"\u003eItem No. \/ SKU\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ewithout safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e10\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-10\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003ewithout safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e13\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-13\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ewithout safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e15\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-15\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003ewithout safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e19\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-19\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ewithout safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e25\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-25\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003ewith safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e13\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-13S\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ewith safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e19\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-19S\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa;\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003ewith safety collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e25\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-25S\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003ewith crimp-ferrule collar\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e19\u003c\/td\u003e\u003ctd style=\"padding:10px;text-align:center;\"\u003e013-19PB\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eHow It Works and Compatibility\u003c\/h5\u003e\u003cp\u003e✔ The claws are first connected like a conventional claw coupling\u003cbr\u003e✔ The locking nut is then tightened manually\u003cbr\u003e✔ The tightened locking nut prevents the connection from loosening on its own\u003cbr\u003e✔ Krause K+K recommends combining a conventional claw coupling with a claw screw coupling\u003cbr\u003e✔ According to the manufacturer, the DIN 3238 series is compatible with all MODY safety screw couplings\u003cbr\u003e✔ The hose tail connects directly to the compressed-air hose\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eSelecting the Hose Connection\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWithout safety collar:\u003c\/strong\u003e conventional hose-tail design for proper hose fastening with a suitable clamp.\u003cbr\u003e\u003cstrong\u003eWith safety collar:\u003c\/strong\u003e when combined with a suitable Type B clamp, allows additional positive locking of the hose assembly.\u003cbr\u003e\u003cstrong\u003eWith crimp-ferrule collar:\u003c\/strong\u003e designed for hose connections using a corresponding crimp ferrule.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eInstallation and Safety\u003c\/h5\u003e\u003cp\u003eHose nominal bore, actual hose outer diameter, hose-tail size, and fastening method must match. On versions with a safety collar, the safety claws of a suitable Type B clamp must be positioned correctly behind the collar. Before disconnecting the coupling, depressurize the compressed-air line. Inspect the seal, hose, clamp, and coupling regularly for wear and damage.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eApplications\u003c\/h5\u003e\u003cp\u003e✔ General compressed-air systems\u003cbr\u003e✔ Compressors and compressed-air hoses\u003cbr\u003e✔ Construction sites and industry\u003cbr\u003e✔ Mechanical and plant engineering\u003cbr\u003e✔ Applications with increased safety requirements\u003cbr\u003e✔ Professional compressed-air and blasting technology within the permissible operating data\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhat does the locking nut do?\u003c\/strong\u003e\u003cbr\u003eIt locks the coupled connection and prevents it from loosening on its own.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich hose-connection versions are available?\u003c\/strong\u003e\u003cbr\u003eWithout safety collar, with safety collar, and one version with a crimp-ferrule collar.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the advantage of the safety collar?\u003c\/strong\u003e\u003cbr\u003eCombined with a matching Type B clamp, it allows additional positive locking of the hose connection.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the claw spacing?\u003c\/strong\u003e\u003cbr\u003e42 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich seal is installed?\u003c\/strong\u003e\u003cbr\u003eAn oil-resistant NBR seal.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the maximum operating pressure?\u003c\/strong\u003e\u003cbr\u003ePN 16.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eConclusion\u003c\/h5\u003e\u003cp\u003eThe Krause K+K DIN 3238 hose coupling combines direct hose connection with the additional security of a manually lockable claw screw coupling. Multiple hose sizes and three different hose-connection versions allow precise adaptation to the application, while 42 mm claw spacing, NBR sealing, and PN 16 define the key technical data of the safety-coupling series.\u003c\/p\u003e","brand":"Krause K+K","offers":[{"title":"without a safety collar \/ 10","offer_id":53851326775643,"sku":"013-10","price":18.92,"currency_code":"EUR","in_stock":true},{"title":"without a safety collar \/ 13","offer_id":53851326808411,"sku":"013-13","price":18.92,"currency_code":"EUR","in_stock":true},{"title":"without a safety collar \/ 15","offer_id":53851326841179,"sku":"013-15","price":5.83,"currency_code":"EUR","in_stock":true},{"title":"without a safety collar \/ 19","offer_id":53851326873947,"sku":"013-19","price":18.92,"currency_code":"EUR","in_stock":true},{"title":"without a safety collar \/ 25","offer_id":53851326906715,"sku":"013-25","price":18.92,"currency_code":"EUR","in_stock":true},{"title":"with safety collar \/ 13","offer_id":53851327037787,"sku":"013-13S","price":23.56,"currency_code":"EUR","in_stock":true},{"title":"with safety collar \/ 19","offer_id":53851327103323,"sku":"013-19S","price":23.56,"currency_code":"EUR","in_stock":true},{"title":"with safety collar \/ 25","offer_id":53851327136091,"sku":"013-25S","price":23.56,"currency_code":"EUR","in_stock":true},{"title":"with crimp ferrule collar \/ 19","offer_id":53851328708955,"sku":"013-19PB","price":23.56,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/schlauchkupplung-mit-sicherungsmutter-din-3238.jpg?v=1787298392"},{"product_id":"ersatzdichtung-nbr-fur-klauenkupplungen-mit-sicherungsmutter-din-3238","title":"NBR Replacement Gasket for Claw Couplings with Locking Nut, DIN 3238","description":"\u003ch5\u003eKrause K+K replacement gasket NBR – for claw couplings with locking nut, DIN 3238\u003c\/h5\u003e\u003cp\u003eThe NBR replacement gasket from Krause K+K is designed for threaded claw couplings with a locking nut in accordance with DIN 3238. It allows for the targeted replacement of a worn, hardened, or damaged gasket, thereby ensuring reliable sealing of existing safety couplings without having to replace the entire coupling.\u003c\/p\u003e\u003cp\u003eFor the DIN 3238 series, Krause K+K uses oil-resistant NBR. The corresponding couplings have a 42 mm claw spacing with double safety cams and are designed for a temperature range of −40 °C to +100 °C and a maximum operating pressure of PN 16. Regular seal inspections are therefore an essential part of proper preventive maintenance for the coupling system.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eBenefits\u003c\/h5\u003e\u003cp\u003e✅ Replacement gasket for threaded claw couplings DIN 3238\u003cbr\u003e✅ Oil-resistant NBR\u003cbr\u003e✅ Suitable for couplings with locking nuts\u003cbr\u003e✅ Separately replaceable wear part\u003cbr\u003e✅ Cost-effective maintenance instead of complete replacement\u003cbr\u003e✅ Ensures a reliable seal at the coupling connection\u003cbr\u003e✅ Useful for maintenance and preventive maintenance\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\n\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"padding:10px;text-align:center;\"\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eTranslation\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003ereplacement gasket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eNBR, oil-resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eSuitable for\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003eKrause K+K threaded claw couplings DIN 3238 with locking nut\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa;\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa;padding:10px;text-align:center;\"\u003eTemperature range of the corresponding coupling series\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e−40 °C to +100 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eOperating pressure of the corresponding coupling series\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003emax. PN 16\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eVariants\u003c\/h5\u003e\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px;\"\u003e\u003ctable style=\"width:100%;border-collapse:separate;border-spacing:0;min-width:680px;\"\u003e\n\u003cthead\u003e\u003ctr style=\"background:#f3f3f3;\"\u003e\n\u003cth style=\"position:sticky;left:0;z-index:2;background:#f3f3f3;padding:10px;text-align:center;\"\u003eTranslation\u003c\/th\u003e\n\u003cth style=\"padding:10px;text-align:center;\"\u003eItem No. \/ SKU\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff;padding:10px;text-align:center;\"\u003eNBR Replacement Gasket\u003c\/td\u003e\n\u003ctd style=\"padding:10px;text-align:center;\"\u003e014-01\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eFunction and Compatibility\u003c\/h5\u003e\u003cp\u003e✔ Seals the designated contact surfaces of the matching DIN 3238 couplings against each other\u003cbr\u003e✔ Designed for use with Krause K+K threaded claw couplings with locking nuts\u003cbr\u003e✔ Oil-resistant NBR as the sealing material for the series\u003cbr\u003e✔ Allows for the replacement of the wear part separately without having to replace the entire coupling\u003cbr\u003e✔ Compatible with the safety coupling series featuring a 42 mm claw spacing\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eMaintenance and Replacement\u003c\/h5\u003e\u003cp\u003eThe seal should be inspected regularly for cracks, hardening, deformation, and other damage. If there are leaks or visible wear, it is advisable to replace it. Before installing the new seal, clean the seal seat and contact surfaces. Afterward, check the coupling for proper fit, smooth operation, and leak-tightness.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eApplications\u003c\/h5\u003e\u003cp\u003e✔ Maintenance of DIN 3238 safety couplings\u003cbr\u003e✔ Compressors and compressed-air lines\u003cbr\u003e✔ Industry and Construction Sites\u003cbr\u003e✔ Mechanical and Plant Engineering\u003cbr\u003e✔ Preventive Maintenance of Professional Compressed Air Systems\u003cbr\u003e✔ Blasting technology within the permissible operating parameters of the coupling series\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhat material is the gasket made of?\u003c\/strong\u003e\u003cbr\u003eMade of oil-resistant NBR.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFor which couplings is it intended?\u003c\/strong\u003e\u003cbr\u003eFor compatible Krause K+K threaded claw couplings with locking nuts in accordance with DIN 3238.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen should the gasket be replaced?\u003c\/strong\u003e\u003cbr\u003eIn case of cracks, hardening, deformation, visible damage, or leaks.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the entire coupling need to be replaced to change the seal?\u003c\/strong\u003e\u003cbr\u003eNo. The seal is available as a separate wear part.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat is the SKU for the replacement gasket?\u003c\/strong\u003e\u003cbr\u003e014-01.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFor which operating conditions is the corresponding coupling series designed?\u003c\/strong\u003e\u003cbr\u003eFor −40 °C to +100 °C and a maximum of PN 16.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eConclusion\u003c\/h5\u003e\u003cp\u003eThe Krause K+K NBR replacement gasket 014-01 is an important wear part for DIN 3238 threaded claw couplings with locking nuts. It enables targeted and cost-effective maintenance of the safety couplings and helps keep existing compressed-air connections permanently leak-free and functional.\u003c\/p\u003e","brand":"Krause K+K","offers":[{"title":"Default Title","offer_id":53851363541339,"sku":"014-01","price":1.19,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/ersatzdichtung-fuer-klauenschraubkupplungen-din-3238.jpg?v=1787298763"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/collections\/aussengewindekupplung-mit-sicherungsmutter-din-3238.jpg?v=1787407275","url":"https:\/\/strahltechnik-express.de\/en\/collections\/schlauchkupplungen-mit-sicherungsmutter-din-3238.oembed","provider":"ABS Strahltechnik","version":"1.0","type":"link"}