HEBEI PENGXIN PIPELINE EQUIPMENT GROUP CO.,LTD
Pipe Fitting/Elbow/Flange/Tee/Reducer/cap
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classification method:
1:According to the industry standard of chemical industry (Hg), it can be divided into integral flange (if), threaded flange (th), plate type flat welding flange (PL), neck butt welding flange (WN), so, SW, PJ / SE, PJ / RJ, BL (s) and BL.
2: According to the petrochemical (SH) industry standard, it is divided into thread flange (PT), butt welding flange (WN), flat welding flange (so), socket welding flange (SW), loose sleeve flange (LJ) and flange cover (not indicated).
3: According to JB industry standard: integral flange, butt welding flange, plate type flat welding flange, butt welding ring plate loose sleeve flange, flat welding ring plate loose sleeve flange, flanging ring plate loose sleeve flange and flange cover.
4: According to the national (GB) standards: integral flange, threaded flange, butt welding flange, flat welding flange with neck, socket welding flange with neck, loose sleeve flange with butt welding ring, plate type flat welding flange, butt welding ring plate loose sleeve flange, flat welding ring plate loose sleeve flange, flanging ring plate loose flange, flange cover.
| Carbon Steel Weld Neck Flange | ASTM/ASME A/SA105 A/SA105N & A/SA216-WCB, DIN 1.0402, DIN 1.0460, DIN 1.0619, Die Steel, ASTM A105 / ASME SA105, A105N, ASTM A350 LF2 / ASME SA350, High Yield CS ASTM A694 / A694 (F52 F56 F60 F65 F70 F80) |
| Stainless Steel Weld Neck Flange | ASTM/ASME A/SA182 F304, F304L, F316, F316L, ASTM/ASME A/SA351 CF8, CF3, CF8M, CF3M, DIN 1.4301, DIN 1.4306, DIN 1.4401, DIN 1.4404, DIN 1.4308, DIN 1.4408, DIN 1.4306, DIN 1.4409 |
| Alloy Steel Weld Neck Flange | ASTM A182 / ASME SA182 F5, F9, F11, F12, F22, F91 |
