Standard: ISO, DIN,GB EN, BS, ANSI,API, JIS, etc.
Size ： DN4~DN1000.
Rating ： PN16~ PN500.
Body Materials ： nodular cast iron, Cast Steel, Stainless Steel，etc.
Seat Materials ： PTFE, Metallic etc.
End connection ： flange, thread, welding, clamp, etc.
Face to face standard ： ISO 5752, EN558, DIN3202 etc.
Flange accommodation: EN 1092; ASME Class 150LB; GB/T2506; ASME B1.20.1(NPT); DIN2999; EN10226, etc.
OPeration/actuation : lever, worm gear， electric, pneumatic, hydraulic.
Optional: Locking devices, indicator, Position switches, Combinations, etc.