... 316 316L Slip On Stainless Steel Forged Steel Flanges For Oil And Gas Use Description:Flange TypeWelding Neck ,Website:http://www. ... 2573 PN6 DIN 2576 PN10 DIN2502 PN16 DIN2503 P25-40 DIN2566 PN16,DIN2631-2635(2)ANSI B16.5,A105 ... power, papermaking, chemical, medical equipment, aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.Applications:The product widely applies in ...