Air & Vaccum

SL (A) Series

The valves have a long body with the float near the bottom. The liquid waste containing solid remains low and away from working parts, venting the pipeline when filling, and permitting air to re-enter to relieve a vacuum.

S (A) Series

The valves have a long body with the float near the bottom. The liquid waste containing solid remains low and away from working parts, venting the pipeline when filling, and permitting air to re-enter to relieve a vacuum. This is a higher capacity variant of the SL (A) Series

AX Series

Crispin Valve’s exclusive X series, Air & Vacuum version, brings valveĀ maintenance into the 21st century. All of the valve parts are stainless steel, making them impervious to rust. TheĀ X series features a stainless steel circular clamp to secure the valve head to the body.

SVR Series

The SVR series is the wastewater version of our VR series. SVR valves allow air to enter the system when a negative pressure occurs, but prevents air from being released under positive conditions, except through an optional small orifice air release valve.