... & PPR ball valve 1. Material: PPR, brass (Cu57+) 2. PTFE sealing. 3. Certification: ISO9001 Feature:Brass body, bonnet, ball, stem, ... press nut.PPR connection.Steel long handle.PTFE sealing.Surface: nickel plated.Technical ... conneting, body cap male thread must be coated with sealing glue. 3. Handle turns on and off freely ... 0.8Mpa, no leakage. brass & PPR ball valve