2-2 way pneumatic steam control valves with wholesale alibaba Technical data Orifice:DN13 Threaded: stainless steel 304 Actuator material: PA Seals material:PTFE Applicable Fluid: water,alcohol,oil,fuel,steam,neutral gas or liquid,organic solvent,acidandlye Fluid viscosity: Max.600mm2/s Fluid temperature:-10°C~+180°C Ambient temperature: -10°C~+60°C Control Fluid: Neutral gas,air