1 1/4" unit vent pneumatic control valve, 10cv, 3-8# spring range, two way right angle, 150psi body pressure, dual barbed air connections for 5/32" or 1/4" plastic tubing, proportional normally open valve action, for use with steam or water, equal percentage

7/8"o.d. 3/4" nominal pneumatic water valve, 2.5cv, 3-10psi spring range, two-way straight through, 250psi body pressure , 1/8" npt air connections, proportional normally open valve action

7/8"o.d. 3/4" nominal pneumatic water valve, 4cv, 3-10psi spring range, two-way straight through, 250psi body pressure , 1/8" npt air connections, proportional normally open valve action