1. welding neck flange 2. material: CS SA105/SA105N,RST37.2 3.size: 1/2"-48" 4. pressure: ... CLASS150,300,600,900,1500,2500 JX-7383 ansi welding ... DIN, EN1092, GOST, JIS, BS, UNI, SABSType: welding neck, slip on, bind, threaded, lap-joint, socket ... F304/F304L,F316/F316L 2 LONG WN 1/2"--24" 150-2500LBS Long welding-neck A105, A350LF2,A182 ...