Weld Neck Flanges (WN)
group nameFlange
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Min Order1 piece
brand nameLOLO pipe fittings Manufacturer
modelWeld Neck Flange, ASME/DIN Standard, Carbon & Stainless Steel
payment methodT/T, L/C, D/P D/A
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update timeWed, 24 Jun 2026 10:56:55 GMT
Paramtents
Petrochemical Oil & Gas
Power Marine
Nuclear Water Treatment
Packging & Delivery
Min Order1 piece
Briefing
High-strength Weld Neck Flanges designed for extreme pressure and temperature. Manufactured to ASME B16.5 & DIN standards with a tapered neck for superior stress distribution. Available in Carbon Steel, Stainless Steel, and exotic alloys for critical piping systems.
Detailed
| Standard： | ASME B16.5 ASME B16.47 Series A ASME B16.47 Series B DIN 2628，DIN2629.DIN2627 EN 1092-1 |
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| Material： | Carbon Steel：ASTM A105, ASTM A350 LF1/LF2/LF3, ASTM A694 F42/F46/F52/F56/F60/F65/F70, P235GH,P245GH,P250GH,P265GH,P280GH,16M03,S235JR,C22.8,P295GH,P355GH,P275NH,P285NH,P355NH Stainless Steel：ASTM A182 F304/F304L, F316/F316L, F321, F347, F310, F904L,F44 Alloy Steel：ASTM A182 F5a, F9, F11, F12, F22, F91 Duplex & Super Duplex：ASTM A182 F51, F53, F55 Nickel Alloys：Hastelloy C276, Inconel 600/625/718/X750/800/825, Monel 400/K50 Titanium Flange Aluminum Flange Copper Flange |
| Facing ： | ASME：RF, FF, RTJ, CF |
| Pressure Class: | ASME：Class 150, 300, 600, 900, 1500, 2500 DIN / EN：PN10, PN16, PN25, PN40, PN63, PN100, PN160, PN250 |
| Size Range: | NPS 1/2"–24" (DN15–DN600) per ASME B16.5 NPS 26"–60" (DN650–DN1500) per ASME B16.47, ANSI B16.41/BS3293 Custom sizes available |
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6YRS Qingdao LOLO Pipeline Co., Ltd.
- Nearest port for product export
- Qingdao, Tianjin, Shanghai, Shenzhen
- Delivery clauses under the trade mode
- FOB, CFR, CIF, EXW
- Acceptable payment methods
- T/T, L/C, D/P D/A