Steel ball valve Materials: WCB, CF8 (304), CF3(304L), CF8M (316), CF3M (316L) Size : NPS 1/2 - 24inch (DN15 - 600mm) Pressure : Class 150 to 2500lbs (PN1.0 - 42.0MPa, JIS10K - 20K) Working temperature: -196 DC to +570 DC End connection: flanged, threaded or weld (SW,BW). Actuation: lever, wormgear, motorized, pneumatic. Standard met: ANSI, DIN, BS, JIS, ISO, API, GB Quality approvals: ISO9002(DNV)