Crispin Air & Vacuum Sewer Valve

Crispin Air & Vacuum Sewer Valves have a long body with a float near the bottom. The waste-containing solid remains low and away from working parts, venting the pipe line when filling, and permitting air to re-enter to relieve the vacuum.

Crispin Air & Vacuum Sewer Valve Features:

• Exhausts air as a pipeline fills, and allows air in as  pipeline fills

• Standard and short body series available

Standard Materials: ls

• Cast iron with stainless steel trim

• Buna-N rubber seat

• Optional back flush attachment

Sizes :

  • Sizes 2” thru 10” available

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