2/2 way solenoid valve direct acting solenoid valves in brass and stainless steel body. 2/2 way solenoid valve 2W21 Characteristic : 1.Direct lifting diaphragm construction; 2. ... Open from zero bar for low pressure system use 3.High ... 0.00MPa ~ 1.0MPaPort Size: 3/8,1/2,3/4,1,1 1/4,1 1/2,2Port Thread: BSPP ,BSPT , ...