PrintBrass Check Valve Ideal for a domestic water submersible pump application, this valve can be used vertically or horizontally. Stainless steel springs Resilient washer holds disc in place. Specs/Part #s Approx. Wt. Lbs. Size in Inches Working Pressure Model Number .75 1/2" 200 WOG CV2T 1 3/4" CV3T 1.25 1" CV4T 2 1 1/4" CV5T 2.25 1 1/2" CV6T 3.75 2" CV8T 8.5 3" CV12T