Body: WCB SS304/316/316L Ball core: SS304/316/316L Nominal pressure: PN16, PN25 and PN40 Connection: thread Seal: PTFE and PPL (special, graphite and metal rigidity seals) Fluid temperatures: C33: -30 to 150C (PTFE) C6: -30 to 250C (PPL) C7: -30 to 350C (metal hard seal) Electric: Voltages: 220 to 380V AC Ambient temperatures: -30 to 70C Protection level: IP67 Option for electric style: Ex-proof: dII BT3/T4 Signal feedback: Mechanical passive Active signal Warmer: dry internal element of actuator in dampness Operating handle: electrical actuator can be switch by hand Regulating style: 4 to 20mA signal input Pneumatic: Cylinder options: P series, Canada Puretorq and Italy air Cylinder types: double action single action Ambient temperatures: -20 to 80C Pressure: double action: 4 to 8 bars Single action: 5 to 8 bars Optional: Limit switch: remote switch signal feedback Solenoid valve: 5/2 for double and 3/2 for single action Triplicate: voltage stabilization, filter, cylinder and lubricant Hand wheel: switch valve by wheel Standards: Design: GB/T 12237-1989 Flanged: GB 9113.1 (JB, ANSI and JIS) Structure length: GB/T 12221-1989 Detection and experiment: GB/T 13927-1992. Carton/wooden box.