Hebei Shengtian Pipe Fittings Group Co., Ltd.
Hebei Shengtian Pipe Fittings Group Co.,Ltd. Base on China,Service the world
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Class150 ASME B16.5 RF Stainless Steel Round Weld Neck Flange
Welding Neck Flanges are easy to recognize at the long tapered hub, that goes gradually over to the wall thickness from a pipe or fitting.
The long tapered hub provides an important reinforcement for use in several applications involving high pressure, sub-zero and / or elevated temperatures. The smooth transition from flange thickness to pipe or fitting wall thickness effected by the taper is extremely beneficial, under conditions of repeated bending, caused by line expansion or other variable forces.
Flange technical parameters:
| Welding neck | Slip on | Blind | LWN(Long welding neck) | |
| Lap joint | Socket welding | Threaded | Plate flange/Flat flange | |
| Orifice flange | Anchor flange | Forgings | Spectacle Blind (spade and spacer) | |
| Standards | ||||
| GOST12821-80 DN10-DN3600 | GOST12820-80 DN10-DN3600 | |||
| GOST12836-80 DN10-DN3600 | AWWA C207 4"-120" | |||
| ANSI B16.5 1/2"-24" | ANSI B16.47 "A"(MSS SP44) 26"-60" | |||
| EN1092-1 1/2"-80" | ANSI B16.47 "B"(API 605) 26"-60" | |||
| BS 3293 26"-48" | B16.36 1"-120" | |||
| DIN2630-2637 1/2"-80" | BS4504 1/2"-80" | |||
| JIS B2220 1/2"-60" | KS B1503 1/2"-60" | |||
| API 590/B16.48 1/2"-24" | ||||
| Material | ||||
| Carbon steel( A105,20#, 16Mn, A266 CL2/CL4, ST37.2, C22.8, S235JR , S355JR ) | ||||
| Plate material(A515 Gr60/70, A516 Gr60/70, A285GrA B C, A240 304/ 316) | ||||
| High Yield Carbon steel (A694 F42/F46/F52/F56/F60/F65/F70) | ||||
| Low Temp Carbon steel (A350 LF2 , A350 LF3) | ||||
| Stainless steel (A182 F304/L, F304H, F316/L, F321,316Ti) | ||||
| Low alloy steel (A182 F5,F9,F11 , F22) | ||||
| Duplex stainless steel (A182 F51/UNS 31803 , F53/UNS 32750, F55) | ||||
| Surface Transparent anti rust oil, yellow anti rust oil, black paint, or acc. to clients request | ||||
| Package Plastic film, wooden cases ,wooden pallet or on customers' request | ||||
| Advantages | ||||
| 1. Factory direct sales - fast supply capacity | ||||
| 2.Reasonable price and excellent quality | ||||
| 3.Have their own Off Shore Company with import and export rights to facilitate customer transaction | ||||
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