Air and 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.

Valve Features

• Exhausts air as a pipeline fills, and allows air in as pipeline fills
• Standard and short body series available

Standard Materials

• Cast iron with stainless steel trim
• Buna-N rubber seat
• Optional backflush attachment

Sizes

• Sizes 2" thru 10" available