No metal parts internally or externally. Leak-free sealing protects against the hazards of reverse flow. Rapid closure helps to eliminate sudden back-flow water hammer. Seal materials are EPDM and Viton. Leak-free sealing protects against the hazards of reverse flow.
Rapid closure helps to eliminate sudden back-flow water hammer.
Polypro is rated 100 psi. No other metal parts are used. The advantage is that the CKD requires even less pressure than the CKM to open. Seals in EPDM or Viton. High performance, heavy-duty design.