Butterfly Valve manufacturers Valve Specification Center Lined Butterfly Valve High Performance Butterfly Valve Triple Offset Butterfly Valve Actuator Specification Operation:Explosion proof Electric actuator Type:On/off or Modulating Torque range:7 - 40000N.m Rotary - 90掳 Ambient temperature:-30掳C ~ +60掳C Speed time/90掳:7 - 100S Number of wires:2 - 7 Protection class:IP67, IP68 Power supply:24VDC, 110VAC, 220VAC, 380VAC, 400VAC; 50/60Hz Control signal (only for modulating type): 4-20mA or 0-10V DCButterfly Valve manufacturers website:http://www.fluid-valvestech.com/butterfly-valve/