Solenoid Valve, underwater valve: Medium:Air,Water,Oil Type:Normally closed Viscosity limit:<20CST ... -50MediumAir,Water,OilActionDirect actingInternally pilotedTypeNormally closedOrifice size2.5mm²4 mm²16 mm²20 mm²25 mm²35 mm²40 mm²50 ... ±10%Body materialBrassSeal materialNBR or VITON Wholesale 2W Series Solenoid Valve, underwater valve