{"product_id":"contracor-schlauchstrahlduse-gbc-25-borcarbid-lang-5-bis-8-mm","title":"GBC-25 hose-insert blast nozzle, boron carbide, long, nozzle bore 5–8 mm","description":"\u003cstyle\u003e.blast-product h5{font-size:18px;line-height:1.3;margin:0 0 12px}.blast-product hr{margin:16px 0}.blast-product table{width:100%;border-collapse:separate;border-spacing:0}.blast-product th,.blast-product td{padding:10px;text-align:center}.blast-product th{background:#f3f3f3;border-bottom:1px solid #d9d9d9}\u003c\/style\u003e\u003cdiv class=\"blast-product\"\u003e\u003ch5\u003eContracor GBC-25 – boron carbide hose-insert blast nozzle for 25 mm ID blast hose\u003c\/h5\u003e\u003cp\u003eThe \u003cstrong\u003eContracor GBC-25\u003c\/strong\u003e is a 100 mm long hose-insert blast nozzle with a boron carbide nozzle insert and aluminium jacket. It is designed for direct installation in a blast hose system with a \u003cstrong\u003e25 mm inner diameter\u003c\/strong\u003e and is available with 5, 6.5 and 8 mm bore sizes.\u003c\/p\u003e\u003cp\u003eBoron carbide provides very high wear resistance, while the compact hose-insert design eliminates the need for a conventional threaded nozzle holder.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eBenefits\u003c\/h5\u003e\u003cp\u003e✅ Boron carbide nozzle insert\u003cbr\u003e✅ Aluminium jacket\u003cbr\u003e✅ For 25 mm ID blast hose\u003cbr\u003e✅ 100 mm length\u003cbr\u003e✅ Bore sizes 5, 6.5 and 8 mm\u003cbr\u003e✅ Direct hose installation\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=\"min-width:680px\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eFeature\u003c\/th\u003e\u003cth\u003eValue\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003eManufacturer\u003c\/td\u003e\u003ctd\u003eContracor\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eSeries\u003c\/td\u003e\u003ctd\u003eGBC-25\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eProduct type\u003c\/td\u003e\u003ctd\u003eHose-insert blast nozzle\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eNozzle insert\u003c\/td\u003e\u003ctd\u003eBoron carbide\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eJacket\u003c\/td\u003e\u003ctd\u003eAluminium\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eHose ID\u003c\/td\u003e\u003ctd\u003e25 mm\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e100 mm\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=\"min-width:680px\"\u003e\u003cthead\u003e\u003ctr\u003e\u003cth\u003eVariant\u003c\/th\u003e\u003cth\u003eNozzle bore\u003c\/th\u003e\u003cth\u003eSKU\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\u003ctbody\u003e\u003ctr\u003e\u003ctd\u003e5 × 100 mm\u003c\/td\u003e\u003ctd\u003e5 mm\u003c\/td\u003e\u003ctd\u003e10112071\u003c\/td\u003e\u003c\/tr\u003e\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003e6.5 × 100 mm\u003c\/td\u003e\u003ctd\u003e6.5 mm\u003c\/td\u003e\u003ctd\u003e10112072\u003c\/td\u003e\u003c\/tr\u003e\u003ctr\u003e\u003ctd\u003e8 × 100 mm\u003c\/td\u003e\u003ctd\u003e8 mm\u003c\/td\u003e\u003ctd\u003e10112073\u003c\/td\u003e\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\u003chr\u003e\u003ch5\u003eCalculate compressed-air requirements, abrasive consumption and compressor capacity\u003c\/h5\u003e\u003cp\u003eAll three bore sizes are included in the calculator. Select the nozzle together with the hose cross-section and compressor capacity; larger bore sizes significantly increase air demand.\u003c\/p\u003e\u003cdiv id=\"blast-nozzle-calculator\" class=\"bncalc\"\u003e\u003cstyle\u003e.bncalc *{box-sizing:border-box}.bncalc .g{display:grid;grid-template-columns:repeat(3,minmax(0,1fr)) auto;gap:12px;align-items:end}.bncalc select{width:100%;height:40px;border:1px solid #ccc;border-radius:8px;background:#fff;padding:0 10px;margin-top:6px}.bncalc .a{display:flex;gap:10px}.bncalc button{height:40px;padding:0 14px;border-radius:10px}@media(max-width:1024px){.bncalc .g{grid-template-columns:1fr}.bncalc .a{display:grid}.bncalc button{width:100%}}\u003c\/style\u003e\u003cdiv class=\"g\"\u003e\u003clabel\u003eNozzle bore\u003cselect id=\"bn-diameter\"\u003e\u003coption value=\"\" selected disabled\u003ePlease select\u003c\/option\u003e\u003coption value=\"3.5\"\u003e3.5 mm\u003c\/option\u003e\u003coption value=\"5\"\u003e5 mm\u003c\/option\u003e\u003coption value=\"6.5\"\u003e6.5 mm\u003c\/option\u003e\u003coption value=\"8\"\u003e8 mm\u003c\/option\u003e\u003coption value=\"9.5\"\u003e9.5 mm\u003c\/option\u003e\u003coption value=\"11\"\u003e11 mm\u003c\/option\u003e\u003coption value=\"12.5\"\u003e12.5 mm\u003c\/option\u003e\u003coption value=\"16\"\u003e16 mm\u003c\/option\u003e\u003coption value=\"19\"\u003e19 mm\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\u003clabel\u003eWorking pressure at the nozzle\u003cselect id=\"bn-pressure\"\u003e\u003coption value=\"\" selected disabled\u003ePlease select\u003c\/option\u003e\u003coption\u003e1\u003c\/option\u003e\u003coption\u003e2\u003c\/option\u003e\u003coption\u003e3\u003c\/option\u003e\u003coption\u003e4\u003c\/option\u003e\u003coption\u003e5\u003c\/option\u003e\u003coption\u003e6\u003c\/option\u003e\u003coption\u003e7\u003c\/option\u003e\u003coption\u003e8\u003c\/option\u003e\u003coption\u003e9\u003c\/option\u003e\u003coption\u003e10\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\u003clabel\u003eCapacity reserve\u003cselect id=\"bn-reserve\"\u003e\u003coption value=\"\" selected disabled\u003ePlease select\u003c\/option\u003e\u003coption value=\"0\"\u003e0 %\u003c\/option\u003e\u003coption value=\".3\"\u003e30 %\u003c\/option\u003e\u003coption value=\".5\"\u003e50 %\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\u003cdiv class=\"a\"\u003e\u003cbutton id=\"bn-calc\" type=\"button\"\u003eCalculate\u003c\/button\u003e\u003cbutton id=\"bn-reset\" type=\"button\"\u003eReset\u003c\/button\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cdiv style=\"background:#f8f8fa;border-radius:10px;padding:12px 14px;margin-top:12px\"\u003e\u003cstrong\u003eResult:\u003c\/strong\u003e\u003cdiv id=\"bn-result-line\" style=\"margin-top:8px;line-height:1.7\"\u003e—\u003c\/div\u003e\u003c\/div\u003e\u003c\/div\u003e\u003cscript\u003e(function(){var a={\"3.5\":[.1,.2,.3,.35,.4,.5,.6,.65,.7,.8],\"5\":[.25,.5,.65,.8,.95,1.1,1.25,1.4,1.55,1.7],\"6.5\":[.4,.8,1.15,1.5,1.8,2.05,2.3,2.55,2.8,3.05],\"8\":[.65,1.3,1.9,2.45,2.95,3.4,3.9,4.35,4.85,5.3],\"9.5\":[.95,1.8,2.65,3.4,4.15,4.85,5.55,6.2,6.9,7.55],\"11\":[1.35,2.55,3.6,4.6,5.55,6.45,7.35,8.2,9.1,10],\"12.5\":[1.9,3.5,4.85,6.05,7.25,8.4,9.55,10.65,11.75,12.9],\"16\":[3.11,5.73,7.95,9.91,11.88,13.76,15.65,17.45,19.25,21.14],\"19\":[4.39,8.09,11.21,13.98,16.75,19.41,22.06,24.61,27.15,29.8]};function f(n,d){return n.toLocaleString('en-GB',{minimumFractionDigits:d,maximumFractionDigits:d})}document.getElementById('bn-calc').onclick=function(){var d=document.getElementById('bn-diameter').value,p=document.getElementById('bn-pressure').value,r=document.getElementById('bn-reserve').value,o=document.getElementById('bn-result-line');if(!d||!p||r===''){o.innerHTML='\u003cstrong\u003ePlease select nozzle bore, working pressure and capacity reserve.\u003c\/strong\u003e';return}var x=a[d][+p-1],q=x*(1+ +r);o.innerHTML='\u003cstrong\u003eCompressed-air requirement of the nozzle:\u003c\/strong\u003e '+f(x,2)+' m³\/min\u003cbr\u003e\u003cstrong\u003eRecommended compressor free air delivery incl. reserve:\u003c\/strong\u003e '+f(q,2)+' m³\/min\u003cbr\u003e\u003cstrong\u003eApproximate abrasive consumption:\u003c\/strong\u003e approx. '+f(x*96,0)+' kg\/h\u003cbr\u003e\u003cstrong\u003eIndicative compressor motor power:\u003c\/strong\u003e approx. '+f(q*6,0)+' kW'};document.getElementById('bn-reset').onclick=function(){document.getElementById('bn-diameter').selectedIndex=0;document.getElementById('bn-pressure').selectedIndex=0;document.getElementById('bn-reserve').selectedIndex=0;document.getElementById('bn-result-line').innerHTML='—'}})();\u003c\/script\u003e\u003chr\u003e\u003ch5\u003eCompatibility and Applications\u003c\/h5\u003e\u003cp\u003e✔ Direct installation in compatible 25 mm ID blast hose\u003cbr\u003e✔ Mobile pressure blasting\u003cbr\u003e✔ Rust and coating removal\u003cbr\u003e✔ Surface preparation\u003cbr\u003e✔ Workshop and maintenance\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eInstallation, Wear and Safety\u003c\/h5\u003e\u003cp\u003eSecure the direct hose installation mechanically and inspect it regularly. Protect boron carbide from drops and hard impacts. A worn bore increases compressed-air demand.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eWhich hose size?\u003c\/strong\u003e\u003cbr\u003e25 mm inner diameter.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow long is the nozzle?\u003c\/strong\u003e\u003cbr\u003e100 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich bore sizes?\u003c\/strong\u003e\u003cbr\u003e5, 6.5 and 8 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes the GBC-25 require a threaded nozzle holder?\u003c\/strong\u003e\u003cbr\u003eNo. It is designed for direct installation in the blast hose.\u003c\/p\u003e\u003chr\u003e\u003ch5\u003eConclusion\u003c\/h5\u003e\u003cp\u003eThe \u003cstrong\u003eContracor GBC-25\u003c\/strong\u003e is a compact, highly wear-resistant boron carbide hose-insert blast nozzle for 25 mm ID blast hose.\u003c\/p\u003e\u003c\/div\u003e","brand":"Contracor","offers":[{"title":"5 x 100","offer_id":49019513405787,"sku":"10112071","price":79.25,"currency_code":"EUR","in_stock":true},{"title":"6.5 x 100","offer_id":49019513438555,"sku":"10112072","price":79.25,"currency_code":"EUR","in_stock":true},{"title":"8 x 100","offer_id":49019513471323,"sku":"10112073","price":79.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/venturi-steck-sandstrahlduese-wolframkarbid-borcarbid-gtc-gbc-lang-contracor.jpg?v=1726397794","url":"https:\/\/strahltechnik-express.de\/en-at\/products\/contracor-schlauchstrahlduse-gbc-25-borcarbid-lang-5-bis-8-mm","provider":"ABS Strahltechnik","version":"1.0","type":"link"}