... , flat, lap joint, socket, blind, thread 2)Standard;ANSI,ASTM,DIN,JIS,UNI 3)Size:DN15 ... -DN10 BS Weld Neck Flange (JT-F026)1.specificationStandards: ANSI(ASME), AWWA, DIN, ... joint, socket weldingPressureMaterial: carbon steel, stainless steelSize: 1/2" to 80" DN15 to DN2000sealing surface type: FF( ... , A182 F11A182 F304/F304L,F316/F316L 2 LONG WN 1/2"--24" 150-2500LBS Long welding-neck ...