1/2" o.d. 3/8" nominal pneumatic water valve, two way straight through, 1.6cv, 2-5psi spring range, proportional normally open valve action, posh on air connections for 1/4" o.d. plastic tubing, for use with hot or cold water, 30psi max diaphragm pressure

1/2"N/O VLV.,2/5# SPRG,1.6 CV

1/2"N/O VLV,3/10# SPRG,1.6 CV

1/2"NPT N/O VLV,2/5#SPRG,2.3cv

1/2"NPT N/O VLV,3/10#,2.3 CV

3/4"NPT N/O VLV,2/5#, 2.6 CV

N/O VLV 3/4" 2.6CV 3-10PSI

3/4" 3.3 CV 2-5 PSI.

N/O VLV 3/4" 3.3CV 3-10 PSI