Provide Thermoplastic Schedule 80 [enter PVC or CPVC] Air Release Valve [enter size 1/2", 3/4” or 1”] with [enter NPT female threaded, or socket] ports. Valve will allow safe expulsion of entrapped air in the piping system during startups. Self-guided poppet shall provide a balance of buoyancy and seal ability with minimal discharge of system liquid. Seals will be [EPDM or Viton] and valve shall close at 0 psi, and seal bubble tight at 10 psi with EPDM [or enter 20 psi with Viton] When pressure and liquid level drop the ARV shall automatically open. ARV shall be free of any metal components. Design shall include a union connection to simplify valve inspection/removal and minimize the shutdown time. ARV shall be rated for a maximum inlet pressure of 150 psi @75 deg. F.
All units are to be 100% individually tested at the factory as manufactured by Plast-O-Matic Valves, Inc., Cedar Grove, NJ.