... ,1 1/4,1 1/2,2 2/2 way solenoid valve 2W21 Characteristic : 1.Direct lifting diaphragm construction; 2.Open from ... Port Thread: BSPP ,BSPT ,NPT ,Flange, UNF, M8X1 Orifice (mm): 12,15,20,25,32,40,50 Voltage: DC - 12V,24V ... Normally Closed , with Coil S51B /SD01B/SD02B 2/2 way solenoid valve 2W21 Port SizeOrificeCvMin PressureMax PressureSealsMaterialBody MaterialValve BodyCoilAC(40VA)DC(30W ...