True Union Spring Check valve. Easy entry removable body, for visual inspections or cleaning. Available in clear. Each valve is specially designed to be disassembled by unscrewing the nuts in line leaving the tail pieces solvent cemented to the pipe. This true union allows you to remove the body for repairs, or cleaning, even providing the opportunity to change the body or spring tension. The 170020 valve is white.

Features:
Sizes 1½" & 2" IPS
Standard spring tension ½ lb. (other spring loads available on special request)
EPDM seal and "O" Rings
200 PSI static pressure rating @ 72ºF
Stainless steel spring
Excess solvent trap