Butt welding neck flange [emergency call sunjingli Tel: 0317-6884000 13643268444] Hebei Ji Meng high-pressure pipe flange Group Co., Ltd. is a professional production and sales in North Bend, flange, pipe of large enterprises. The products are widely used in petroleum, chemical industry, light industry, electric power, metallurgy, shipbuilding, construction and other industries, products are sold throughout the country and exported to Korea, Singapore, Malaysia, Saudi Arabia, Thailand, United States, Pakistan, Bangladesh, Syria, Iran and other countries, in the domestic and foreign brand products in the market enjoy a good reputation.
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Sealing surface in the form plane (FF), (RF), sudden surface roughness (MFM) and groove (TG) and ring junction (RTJ)
The material:
Stainless steel (Stainess, Steel): ASTM, A182, F304, 304L, F316, 316L, 1Cr18Ni9Ti, 0Cr18Ni9Ti, 321, 18-8, 309S, 310S, 316Ti, 317, 347 and so on
Alloy steel (Alloy Steel): ASTM A182, F51 F57, 2520, 2205, 904L, S32304, S31500, S31803, S32205, S32750
The manufacturing standard:
ANSI B16.5, HG20617-1997, GB/T9115.1-2000, GB/T9115.4-200, DIN2630-2638, HG20595-1997, GB/T9115.1-2000, GB/T9115.4-2000