ANSI/ASME B16.47 Long Weld Neck Flange/Integral Flanges
SPECIFITION:
Long weld neck flange(LWN flange) is also call integral flange, it means a welding neck flange has a very long neck . Commonly, the welding neck flange has a tapered neck and a bevel end which is going to butt welding with the matching pipe. But the long weld neck flange, has a straight short pipe as the neck of a long weld neck flange.
Standard: ANSI/ASME B16.5, ANSI/ASME B16.47, BS4504, BS3293, EN 1092, DIN2631,DIN2632,DIN2633, DIN 2634, DIN2635, DIN2636, DIN2637, DIN2638, JIS B2220, SABS / SANS 1123 , GOST / ГОСТ 12821-80 Flange, MSS SP-44 FLANGE, API 6A, 6B, 6BX weld neck FLANGE, ISO 7005 Weld neck flange. NFE 29203 Weld neck flange, KS B1503 , UNI 2280-67 ,UNI 2281-67 ,UNI 2282-67 ,UNI 2283-67 , UNI 2284-67, HG20595,AS2129.
Size: 1/2” – 160”. DN15 – DN4000 mm
Pressure: Class 75, Class125, Class 150, Class 300, Class 400, Class 600, Class 900, Class 1500,Class 2500,
3000 PSI, 5000 PSI, 10000 PSI, 20000 PSI.
PN2.5, PN6, PN10, PN16, PN25, PN40, PN64, PN100, PN160
5K, 10K, 15K, 20K, 30K.
Material: |
Carbon steel: ASTM A105, A181, ASTM A516 GR.60, GR.70, ASTM A694 F42, F46, F52, F56, F60, F65, F70, ST37, ST45.8, C22.8, S235, S235JRG2, P235GH, P245GH, P250GH, P265GH, P355GH, S355J2, 16MN, 20MN, Q235, 20#, CT20, SS400.Stainless steel: ASTM A182 F304, F304L, F316, F316L, F321, F321H, F304H, F316H, F347H, 1.4301, 1.4306, 1.4401, 1.4404, 1.4541, 1.4571, SUS304, SUS316.
Alloy Steel: ASTM A350 LF2, CL1/CL2, ASTM A182 F5, F9, F11, F12, F22, F91. |
Duplex Steel: S31803 / F51 / S32205 / F60 / 1.4462Super Duplex: S32750 / F53 / 1.4410 / S32760 / F55 / 1.4501 |
Sealing face: Raised Face(RF), Flat Face(FF), Ring Type Joint(RTJ).
Flange face finishing, MSS-SP-6, such as: Stock finishing, Spiral serrated finishing, concentric serrated finishing, smooth finishing etc.
Coating: Black paint, Yellow paint, Vanish oil.
Packing: Wooden case, Plywood case, Pallet.
Marking: MSS-SP-25, necessary information of flange specification, Customized marking is available.
CERTIFICATE:
BS EN10204 3.1 MTC, ABS, PED 97-23-EC, CE, ISO, API approved.
APPLICATION:
Water Treatment, Shipbuilding industry, sea Platform, Petrochemical & Gas industry, Power plant, Valve industry, Construction, Chemical industry, General piping system etc.