Product Name: Xq Socket Welding Flange ANSI B16.5 Class 1500lb Model NO.: 1/2"-72" Manufacturing Way: Forging Sealing Surface: TG Connection: Welding Structure: Round Material: Carbon Steel Type: Welding Flange Standard: ANSI, DIN, GB, JIS, GOST, BSW Trademark: XQ Transport Package: Wooden Case Specification: 1/2"-72" Origin: China HS Code: 7307 Product Description Flange connection is connected of a pair of flanges, a gasket and some bolts and nuts, gasket is put among the two sealing surface of flanges, after fasten the bolts and nuts, when the specific pressure on the surface of gasket reach a certain value, gasket deforms, and fill the uneven place of sealing surface, make the connection tight without leakage.A105/SS304/SS316material:carbon steel and stainless steel (ASTM A105, Q235, SS304, SS316, SS304L, SS316L)standard:ANSI B16.5, JIS, DIN, EN1092techonology:forgedsize:DN15-DN600type:slip-on, lap joint, welding neck, socket welding, threaded, blind.pressure:150LBS, 300LBS, 600LBS, 900LBS, 1500LBS...treatment:anti-rust oil, black painting, yellow painting ...wall sickness:sch40, sch80...face type:FF, RF, LJ, RTJ, TG.usage:the flanges are used for the connection of tubes that transport water, oil, gas, etc.