{"product_id":"dusenprofi-doppelventuri-sandstrahlduse-gd-borcarbid-lang-50-mm-grobgewinde-dusenbohrung-6-5-bis-12-5-mm","title":"GD Double Venturi Blasting Nozzle, boron carbide, long, 50 mm coarse thread, nozzle bore 6.5–12.5 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\u003eDüsenprofi GD – long double-Venturi blasting nozzle made of boron carbide\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eDüsenprofi GD\u003c\/strong\u003e is a long double-Venturi blast nozzle for professional pressure blasting applications. The hot-pressed boron carbide nozzle insert combines very high wear resistance with a double-Venturi geometry designed to produce a wide, uniform blast pattern and efficient surface coverage.\u003c\/p\u003e\n\u003cp\u003eThe nozzle has a \u003cstrong\u003e32 mm inlet\u003c\/strong\u003e, an aluminum\/PU protective sleeve, and a \u003cstrong\u003e50 mm coarse thread\u003c\/strong\u003e. Five nozzle bores ranging from 6.5 to 12.5 mm allow for adjustment to different compressed air flow rates.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eBenefits\u003c\/h5\u003e\n\u003cp\u003e✅ Double Venturi geometry for a wide blast pattern\u003cbr\u003e✅ Hot-pressed boron carbide nozzle insert\u003cbr\u003e✅ High wear resistance with abrasive blasting media\u003cbr\u003e✅ 32 mm inlet and 50 mm coarse thread\u003cbr\u003e✅ Five nozzle bores for different performance ranges\u003cbr\u003e✅ For large-scale professional blasting projects\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eTechnical Data\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\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eDüsenprofi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eGD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTranslation\u003c\/td\u003e\n\u003ctd\u003eLong double-Venturi blasting nozzle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd\u003enozzle insert\u003c\/td\u003e\n\u003ctd\u003eboron carbide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtective jacket\u003c\/td\u003e\n\u003ctd\u003eAluminum \/ PU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd\u003eInlet\u003c\/td\u003e\n\u003ctd\u003e32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnection\u003c\/td\u003e\n\u003ctd\u003e50 mm coarse thread\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\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:720px\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"position:sticky;left:0;background:#f3f3f3\"\u003eVariant\u003c\/th\u003e\n\u003cth\u003eBore\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eSKU\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\"\u003e6,5 × 135 mm\u003c\/td\u003e\n\u003ctd\u003e6.5 mm\u003c\/td\u003e\n\u003ctd\u003e135 mm\u003c\/td\u003e\n\u003ctd\u003eGD32065\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa\"\u003e8 × 150 mm\u003c\/td\u003e\n\u003ctd\u003e8 mm\u003c\/td\u003e\n\u003ctd\u003e150 mm\u003c\/td\u003e\n\u003ctd\u003eGD32080\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff\"\u003e9,5 × 165 mm\u003c\/td\u003e\n\u003ctd\u003e9.5 mm\u003c\/td\u003e\n\u003ctd\u003e165 mm\u003c\/td\u003e\n\u003ctd\u003eGD32095\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background:#fafafa\"\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fafafa\"\u003e11 × 200 mm\u003c\/td\u003e\n\u003ctd\u003e11 mm\u003c\/td\u003e\n\u003ctd\u003e200 mm\u003c\/td\u003e\n\u003ctd\u003eGD32110\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"position:sticky;left:0;background:#fff\"\u003e12,5 × 220 mm\u003c\/td\u003e\n\u003ctd\u003e12.5 mm\u003c\/td\u003e\n\u003ctd\u003e220 mm\u003c\/td\u003e\n\u003ctd\u003eGD32125\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003chr\u003e\n\u003ch5\u003eCalculate compressed air requirements, abrasive consumption, and compressor power\u003c\/h5\u003e\n\u003cp\u003eAll five bore sizes are pre-programmed in our blast nozzle calculator. When sizing a compressor, the effective flow rate at operating pressure, hose losses, and a reasonable power reserve should be taken into account.\u003c\/p\u003e\n\u003cdiv id=\"blast-nozzle-calculator\" class=\"bncalc\"\u003e\n\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:1280px){.bncalc .g{grid-template-columns:1fr}.bncalc .a{display:grid;grid-template-columns:1fr;gap:10px}.bncalc button{width:100%}}\u003c\/style\u003e\n\u003cdiv style=\"background:#f5f5f7;border-radius:10px;padding:12px 14px;margin-bottom:12px;font-size:14px\"\u003e\n\u003cp style=\"margin:0 0 6px\"\u003eSelect the nozzle bore, operating pressure, and power reserve.\u003c\/p\u003e\n\u003cp style=\"margin:0\"\u003e\u003cstrong\u003e💡 Power reserve:\u003c\/strong\u003e takes nozzle wear and pressure losses into account; abrasive consumption remains unchanged.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"g\"\u003e\n\u003clabel\u003enozzle bore\u003cselect id=\"bn-diameter\"\u003e\u003coption value=\"\" selected disabled\u003ePlease select\u003c\/option\u003e\n\u003coption value=\"3.5\"\u003e3.5 mm\u003c\/option\u003e\n\u003coption value=\"5\"\u003e5 mm\u003c\/option\u003e\n\u003coption value=\"6.5\"\u003e6.5 mm\u003c\/option\u003e\n\u003coption value=\"8\"\u003e8 mm\u003c\/option\u003e\n\u003coption value=\"9.5\"\u003e9.5 mm\u003c\/option\u003e\n\u003coption value=\"11\"\u003e11 mm\u003c\/option\u003e\n\u003coption value=\"12.5\"\u003e12.5 mm\u003c\/option\u003e\n\u003coption value=\"16\"\u003e16 mm\u003c\/option\u003e\n\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\n\u003coption\u003e1\u003c\/option\u003e\n\u003coption\u003e2\u003c\/option\u003e\n\u003coption\u003e3\u003c\/option\u003e\n\u003coption\u003e4\u003c\/option\u003e\n\u003coption\u003e5\u003c\/option\u003e\n\u003coption\u003e6\u003c\/option\u003e\n\u003coption\u003e7\u003c\/option\u003e\n\u003coption\u003e8\u003c\/option\u003e\n\u003coption\u003e9\u003c\/option\u003e\n\u003coption\u003e10\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\u003clabel\u003epower reserve\u003cselect id=\"bn-reserve\"\u003e\u003coption value=\"\" selected disabled\u003ePlease select\u003c\/option\u003e\n\u003coption value=\"0\"\u003e0 %\u003c\/option\u003e\n\u003coption value=\".3\"\u003e30 %\u003c\/option\u003e\n\u003coption value=\".5\"\u003e50 %\u003c\/option\u003e\u003c\/select\u003e\u003c\/label\u003e\u003cdiv class=\"a\"\u003e\n\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\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background:#f8f8fa;border-radius:10px;padding:12px 14px;margin-top:12px\"\u003e\n\u003cstrong\u003eResult:\u003c\/strong\u003e\u003cdiv id=\"bn-result-line\" style=\"margin-top:8px;line-height:1.7\"\u003e—\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size:12px;color:#555\"\u003eTechnical guidelines: The effective flow rate at operating pressure is the determining factor for compressor selection.\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('de-DE',{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\u003eBitte alle drei Werte auswählen.\u003c\/strong\u003e';return}var b=a[d][+p-1],q=b*(1+ +r);o.innerHTML='\u003cstrong\u003eDruckluftbedarf der Düse:\u003c\/strong\u003e '+f(b,2)+' m³\/min\u003cbr\u003e\u003cstrong\u003eEmpfohlene Kompressor-Liefermenge inkl. Reserve:\u003c\/strong\u003e '+f(q,2)+' m³\/min\u003cbr\u003e\u003cstrong\u003eUngefährer Strahlmittelverbrauch:\u003c\/strong\u003e ca. '+f(b*96,0)+' kg\/h\u003cbr\u003e\u003cstrong\u003eOrientierende Kompressor-Motorleistung:\u003c\/strong\u003e ca. '+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\n\u003ch5\u003eHow It Works and Selecting the Nozzle Size\u003c\/h5\u003e\n\u003cp\u003e✔ Double Venturi for a wide blast cone\u003cbr\u003e✔ Larger boreholes require significantly more compressed air\u003cbr\u003e✔ Select a compressor based on effective delivery volume at operating pressure\u003cbr\u003e✔ 32-mm inlet supports the supply to larger nozzle bores\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eRecommended Abrasive Media\u003c\/h5\u003e\n\u003cp\u003e✔ Corundum \/ Aluminum Oxide\u003cbr\u003e✔ Garnet\u003cbr\u003e✔ Slag and mineral abrasive media\u003cbr\u003e✔ Glass beads\u003cbr\u003e✔ Steel grit when used with a suitable system\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eApplications\u003c\/h5\u003e\n\u003cp\u003e✔ Rust removal and paint stripping\u003cbr\u003e✔ Surface preparation\u003cbr\u003e✔ Steel and Plant Construction\u003cbr\u003e✔ Large-scale industrial and maintenance work\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eWear, Inspection, and Operation\u003c\/h5\u003e\n\u003cp\u003eBoron carbide is highly wear-resistant but more brittle than tungsten carbide. Protect the nozzle from impacts and check the bore regularly. As the bore size increases, so does the air requirement.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eFAQ\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of connection does the GD have?\u003c\/strong\u003e\u003cbr\u003e50 mm coarse thread with a 32 mm inlet.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat bore sizes are available?\u003c\/strong\u003e\u003cbr\u003e6.5 to 12.5 mm.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the effect of the double Venturi geometry?\u003c\/strong\u003e\u003cbr\u003eIt promotes a broader, more even blast pattern for productive surface treatment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat size is right for the compressor?\u003c\/strong\u003e\u003cbr\u003eThe flow rate and operating pressure are crucial; larger boreholes require significantly more air.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch5\u003eConclusion\u003c\/h5\u003e\n\u003cp\u003eThe \u003cstrong\u003eDüsenprofi GD\u003c\/strong\u003e is a wear-resistant double-Venturi blast nozzle designed for productive, professional pressure blasting operations and large surfaces. Its boron carbide core and wide range of sizes make it a high-performance solution for abrasive applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Düsenprofi","offers":[{"title":"6.5 x 135","offer_id":50034215616859,"sku":"GD32065","price":137.92,"currency_code":"EUR","in_stock":true},{"title":"8 x 150","offer_id":50034215649627,"sku":"GD32080","price":145.83,"currency_code":"EUR","in_stock":true},{"title":"9.5 x 165","offer_id":50034215813467,"sku":"GD32095","price":157.14,"currency_code":"EUR","in_stock":true},{"title":"11 x 200","offer_id":50034215879003,"sku":"GD32110","price":174.1,"currency_code":"EUR","in_stock":true},{"title":"12.5 x 220","offer_id":50034215944539,"sku":"GD32125","price":186.53,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0876\/8526\/7803\/files\/doppel-venturi-sandstrahlduese-borcarbid-gd-lang-duesenprofi.jpg?v=1739004560","url":"https:\/\/strahltechnik-express.de\/en-ee\/products\/dusenprofi-doppelventuri-sandstrahlduse-gd-borcarbid-lang-50-mm-grobgewinde-dusenbohrung-6-5-bis-12-5-mm","provider":"ABS Strahltechnik","version":"1.0","type":"link"}