USL Series

The Universal Sewer Air Release Valve performs the function of both the Air and Vacuum and Pressure sewer valves. This is accomplished all in one valve body.

USL Series Overview
Nominal Inside Diameter 2″-6″ Sizes Available
Construction Materials Body: Cast Iron (ASTM A126 Class B)
Trim/Float: Stainless Steel (ASTM A240)
Bolts/Nuts: 1″ – 2″: Bolt: Steel (ASTM A307) Nut: Steel (ASTM A563)
2″ – 6″ (high): Bolt: Steel (ASTM A193) Nut: Steel (ASTM A194)
Seat: Buna-N
Paint: Tnemec 141
Pressure Rating 20-150 psi (stand.)
2-40 psi (Low)
151-300 psi (High)

Many Crispin Valves are available with special materials that may not be listed. Please contact the factory to inquire about custom orders.