{"product_id":"contracor-sandstrahlduse-protector-400-wolframkarbid-venturi-kurz-5-bis-12-5-mm","title":"Protector 400 Venturi blast nozzle, tungsten carbide, short, 50 mm coarse thread, nozzle bore 5–12.5 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\n\u003ch5\u003eContracor Protector 400 – short Venturi blast nozzle made of tungsten carbide\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eContracor Protector 400\u003c\/strong\u003e is a compact Venturi blast nozzle for professional pressure blasting applications where a short, handy design with a robust tungsten carbide nozzle insert is required. All versions are 80 mm long. The tungsten carbide nozzle insert offers high toughness and good wear resistance, while the polyurethane jacket protects the nozzle body during everyday use.\u003c\/p\u003e\n\u003cp\u003eWith \u003cstrong\u003ea 32 mm inlet\u003c\/strong\u003e, \u003cstrong\u003ea 50 mm coarse thread\u003c\/strong\u003e, and six bore sizes ranging from 5 to 12.5 mm, the Protector 400 can be adapted to different compressor capacities and blasting applications.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eBenefits\u003c\/h5\u003e\n\u003cp\u003e✅ Compact 80-mm design\u003cbr\u003e✅ Robust tungsten carbide nozzle insert\u003cbr\u003e✅ Polyurethane jacket\u003cbr\u003e✅ 32 mm inlet\u003cbr\u003e✅ 50 mm coarse thread\u003cbr\u003e✅ Six bore sizes ranging from 5 to 12.5 mm\u003cbr\u003e✅ Easy to handle in confined workspaces\u003cbr\u003e✅ Unique manufacturer SKUs\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eTechnical Specifications\u003c\/h5\u003e\n\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px\"\u003e\u003ctable style=\"min-width:680px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth\u003eFeature\u003c\/th\u003e\u003cth\u003eValue\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eManufacturer\u003c\/td\u003e\u003ctd\u003eContracor\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eSeries\u003c\/td\u003e\u003ctd\u003eProtector 400\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eVersion\u003c\/td\u003e\u003ctd\u003eShort Venturi blast nozzle\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eNozzle insert\u003c\/td\u003e\u003ctd\u003eTungsten carbide\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOuter jacket\u003c\/td\u003e\u003ctd\u003ePolyurethane\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eLength\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eInlet\u003c\/td\u003e\u003ctd\u003e32 mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd\u003eConnection\u003c\/td\u003e\u003ctd\u003e50 mm coarse thread\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eVariants\u003c\/h5\u003e\n\u003cdiv style=\"overflow-x:auto;border:1px solid #d9d9d9;border-radius:10px\"\u003e\u003ctable style=\"min-width:680px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth style=\"position:sticky;left:0;background:#f3f3f3\"\u003eNozzle bore\u003c\/th\u003e\u003cth\u003eLength\u003c\/th\u003e\u003cth\u003eSKU\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff\"\u003e5 mm\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003ctd\u003e10113031\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa\"\u003e6.5 mm\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003ctd\u003e10113032\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff\"\u003e8 mm\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003ctd\u003e10113033\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa\"\u003e9.5 mm\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003ctd\u003e10113034\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd style=\"position:sticky;left:0;background:#fff\"\u003e11 mm\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003ctd\u003e10113035\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\u003ctd style=\"position:sticky;left:0;background:#fafafa\"\u003e12.5 mm\u003c\/td\u003e\u003ctd\u003e80 mm\u003c\/td\u003e\u003ctd\u003e10113036\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eCalculate compressed-air requirements, abrasive consumption and compressor capacity\u003c\/h5\u003e\n\u003cp\u003eAll available bore sizes are directly included in our blast nozzle calculator. The compressor must actually deliver the required air volume at the desired working pressure. A reserve of 30 or 50% can account for nozzle wear and line losses.\u003c\/p\u003e\n\u003cdiv id=\"blast-nozzle-calculator\" style=\"width:100%;max-width:100%;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial\"\u003e\n\u003cstyle\u003e#blast-nozzle-calculator *{box-sizing:border-box}#blast-nozzle-calculator .calc-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr) minmax(0,1fr) auto;gap:12px;align-items:end}#blast-nozzle-calculator label{display:block;font-size:14px;min-width:0}#blast-nozzle-calculator select{width:100%;height:40px;padding:0 10px;border:1px solid #ccc;border-radius:8px;background:#fff;margin-top:6px}#blast-nozzle-calculator .calc-actions{display:flex;gap:10px}#blast-nozzle-calculator button{height:40px;padding:0 14px;border-radius:10px;white-space:nowrap}@media(max-width:1280px){#blast-nozzle-calculator .calc-grid{grid-template-columns:1fr}#blast-nozzle-calculator .calc-actions{display:grid;grid-template-columns:1fr;gap:10px}#blast-nozzle-calculator button{width:100%}}\u003c\/style\u003e\n\u003cdiv style=\"background:#f5f5f7;border-radius:10px;padding:12px 14px;font-size:14px;margin-bottom:12px\"\u003e\u003cp style=\"margin:0 0 6px\"\u003eSelect the nozzle bore, working pressure and desired capacity reserve. The calculator shows the compressed-air requirement, recommended compressor free air delivery, approximate abrasive consumption and an indicative compressor motor power.\u003c\/p\u003e\u003cp style=\"margin:0\"\u003e\u003cstrong\u003e💡 Capacity reserve:\u003c\/strong\u003e This accounts for increased air demand due to nozzle wear and typical pressure losses. The reserve does not apply to abrasive consumption.\u003c\/p\u003e\u003c\/div\u003e\n\u003cdiv class=\"calc-grid\"\u003e\n\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\n\u003clabel\u003eWorking pressure at the nozzle\u003cselect id=\"bn-pressure\"\u003e\u003coption value=\"\" selected disabled\u003ePlease select\u003c\/option\u003e\u003coption value=\"1\"\u003e1 bar\u003c\/option\u003e\u003coption value=\"2\"\u003e2 bar\u003c\/option\u003e\u003coption value=\"3\"\u003e3 bar\u003c\/option\u003e\u003coption value=\"4\"\u003e4 bar\u003c\/option\u003e\u003coption value=\"5\"\u003e5 bar\u003c\/option\u003e\u003coption value=\"6\"\u003e6 bar\u003c\/option\u003e\u003coption value=\"7\"\u003e7 bar\u003c\/option\u003e\u003coption value=\"8\"\u003e8 bar\u003c\/option\u003e\u003coption value=\"9\"\u003e9 bar\u003c\/option\u003e\u003coption value=\"10\"\u003e10 bar\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\n\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=\"0.3\"\u003e30 %\u003c\/option\u003e\u003coption value=\"0.5\"\u003e50 %\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\n\u003cdiv class=\"calc-actions\"\u003e\u003cbutton id=\"bn-calc\" type=\"button\" style=\"background:#222;color:#fff;border:1px solid #222\"\u003eCalculate\u003c\/button\u003e\u003cbutton id=\"bn-reset\" type=\"button\" style=\"background:#fff;border:1px solid #ccc\"\u003eReset\u003c\/button\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr style=\"border:none;border-top:1px solid #eee;margin:12px 0\"\u003e\u003cdiv style=\"background:#f8f8fa;border-radius:10px;padding:12px 14px\"\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\n\u003cp style=\"font-size:12px;color:#555\"\u003eTechnical guide values. Abrasive consumption and kW figures are approximate; effective free air delivery at working pressure is decisive when selecting the compressor.\u003c\/p\u003e\n\u003c\/div\u003e\n\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 b=a[d][+p-1],q=b*(1+ +r);o.innerHTML='\u003cstrong\u003eCompressed-air requirement of the nozzle:\u003c\/strong\u003e '+f(b,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(b*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\n\u003chr\u003e\n\u003ch5\u003eHow It Works and Selecting the Nozzle Size\u003c\/h5\u003e\u003cp\u003e✔ Short Venturi design for compact handling\u003cbr\u003e✔ Smaller bore sizes reduce air consumption\u003cbr\u003e✔ Larger bore sizes increase the potential material removal rate and surface coverage rate when there is a sufficient air supply\u003cbr\u003e✔ The 80-mm design is particularly suitable when workspace or freedom of movement is limited\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eRecommended Abrasive Media\u003c\/h5\u003e\u003cp\u003e✔ Corundum \/ aluminium oxide\u003cbr\u003e✔ Garnet\u003cbr\u003e✔ Slag\u003cbr\u003e✔ Glass beads\u003cbr\u003e✔ Steel grit when used with a suitable system\u003cbr\u003e✔ Additional dry abrasive media with suitable grit sizes\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eApplications\u003c\/h5\u003e\u003cp\u003e✔ General rust removal and paint stripping work\u003cbr\u003e✔ Surface preparation\u003cbr\u003e✔ Workshop and construction site\u003cbr\u003e✔ Steel and plant engineering\u003cbr\u003e✔ Confined or hard-to-reach work areas\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eWear, Inspection, and Operation\u003c\/h5\u003e\u003cp\u003eCheck the nozzle bore for wear regularly. As the bore increases, so does the air consumption. Tungsten carbide is durable; however, damaged nozzles, threads, or nozzle holders should not be reused.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eFAQ\u003c\/h5\u003e\u003cp\u003e\u003cstrong\u003eHow long is the nozzle?\u003c\/strong\u003e\u003cbr\u003e80 mm for all variants.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich connection?\u003c\/strong\u003e\u003cbr\u003e50 mm coarse thread with a 32 mm inlet.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhich bore sizes?\u003c\/strong\u003e\u003cbr\u003e5 to 12.5 mm.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhen is a short nozzle recommended?\u003c\/strong\u003e\u003cbr\u003eWhen compact dimensions and good manoeuvrability are more important than the maximum surface coverage rate of a long Venturi nozzle.\u003c\/p\u003e\n\u003chr\u003e\u003ch5\u003eConclusion\u003c\/h5\u003e\u003cp\u003eThe \u003cstrong\u003eContracor Protector 400\u003c\/strong\u003e is a compact, robust tungsten carbide Venturi blast nozzle for professional pressure blasting applications. It combines a compact design with a wide range of bore sizes and a durable material combination.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Contracor","offers":[{"title":"5 x 80","offer_id":49016082628955,"sku":"10113031","price":930.0,"currency_code":"SEK","in_stock":true},{"title":"6.5 x 80","offer_id":49016082661723,"sku":"10113032","price":930.0,"currency_code":"SEK","in_stock":true},{"title":"8 x 80","offer_id":49016082694491,"sku":"10113033","price":930.0,"currency_code":"SEK","in_stock":true},{"title":"9.5 x 80","offer_id":49016082727259,"sku":"10113034","price":930.0,"currency_code":"SEK","in_stock":true},{"title":"11 x 80","offer_id":49016082760027,"sku":"10113035","price":930.0,"currency_code":"SEK","in_stock":true},{"title":"12.5 x 80","offer_id":49016082792795,"sku":"10113036","price":930.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/sandstrahlduese-wolframkarbid-protector-400-kurz-rot-contracor.jpg?v=1726313307","url":"https:\/\/strahltechnik-express.de\/en-se\/products\/contracor-sandstrahlduse-protector-400-wolframkarbid-venturi-kurz-5-bis-12-5-mm","provider":"ABS Strahltechnik","version":"1.0","type":"link"}