{"product_id":"bulgin-647-75001","title":"Bulgin SS316 DIN 477 Cylinder Nut and Stem Connections — 1\/4-inch NPT","description":"\u003cp\u003e\u003cstrong\u003eHigh-Pressure Inlet Brass \u0026amp; Stainless Cylinder Connections – Bulgin Gas Equipment\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHigh-performance cylinder inlet connections from \u003cstrong\u003eBulgin Gas Equipment\u003c\/strong\u003e, designed and engineered to \u003cstrong\u003eDIN 477-1\u003c\/strong\u003e specifications for safe, reliable high-pressure gas handling. Available in corrosion-resistant stainless steel, these fittings ensure secure, leak-tight performance for industrial, medical, and laboratory gas systems.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eDesigned to \u003cstrong\u003eDIN 477-1\u003c\/strong\u003e for high-pressure gas cylinder connections\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003ePrecision-machined stainless steel for strength and long service life\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eLeak-tight sealing for safe gas inlet applications\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eSuitable for regulators, manifolds, filling systems \u0026amp; gas distribution equipment\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eCompatible with common industrial and specialty gas standards\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAvailable variants\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003cth\u003eDIN 477 connection\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e647-75001\u003c\/td\u003e\n\u003ctd\u003e#1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e647-75002\u003c\/td\u003e\n\u003ctd\u003e#6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e647-75003\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e647-75004\u003c\/td\u003e\n\u003ctd\u003e#14\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003e\u003cstrong\u003e647-75001 — #1\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eMaterial: Stainless Steel 316L and PTFE seal\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eComplies with DIN 477 #1\u003c\/p\u003e\u003c\/li\u003e  \n  \u003cli\u003e\u003cp\u003eNut: 21.8mm\nLH External, 14 T.P.I.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eStem: Flat\nend sealing face, thread O.D. 21.8mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLength: 85mm\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eThread: 1\/4\" NPT\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAvailable Gases\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eDIN 477 #1 suitable for hydrogen,\nmethane, ethylene, ethane, flammable mixtures, (Butane, Propane)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e647-75002 — #6\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eMaterial: Stainless Steel 316L and PTFE seal\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eComplies with DIN 477 #6\u003c\/p\u003e\u003c\/li\u003e  \n  \u003cli\u003e\u003cp\u003eNut: 0.860”\nWHIT RH, 14 T.P.I.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eStem: Flat\nend sealing face, thread O.D. 21.8mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLength: 85mm\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eThread: 1\/4\" NPT\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAvailable Gases\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eDIN 477 #6 suitable for carbon\ndioxide, nitrous oxide (Argon, Helium)\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e647-75003 — #10\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eMaterial: Stainless Steel 316L and PTFE seal\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eComplies with DIN 477 #10\u003c\/p\u003e\u003c\/li\u003e  \n  \u003cli\u003e\u003cp\u003eNut: 24.32\nRH External, 14 T.P.I.\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eStem: Flat\nend sealing face, thread O.D. 24.3mm\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLength: 85mm\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eThread: 1\/4\" NPT\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAvailable Gases\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eDIN 477 #10 suitable for nitrogen\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e647-75004 — #14\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eMaterial: Stainless Steel 316L and PTFE seal\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eComplies with DIN 477 #14\u003c\/p\u003e\u003c\/li\u003e  \n  \u003cli\u003e\u003cp\u003eNut: M\n19 x 1.5 LH\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eStem: Flat\nseal with gasket\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLength: 85mm\u003c\/p\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cp\u003eThread: 1\/4\" NPT\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eAvailable Gases\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n  \u003cli\u003e\u003cp\u003eDIN 477 #14 suitable for test 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