Midget Series

Midget Air Valves are used on hot, cold and irrigation systems where the venting of small accumulations of air is required while the system is under pressure.

Midget Series Overview
Nominal Inside Diameter 3/8″-1″ Sizes Available
Construction Materials Body: Cast Iron (ASTM A216 Class B)
Trim/Float: Stainless Steel (ASTM A240)
Bolts/Nuts: Steel (ASTM A307)
Seat: Buna-N Rubber
Paint: Tnemec 141
Pressure Ratings 20-150 psi (stand.)
2-40 psi (Low)
151-300 psi (High)


Crispin Valve offers a wide variety of special materials for air valves that may not be listed. If your project may need such materials please feel free to contact our Sales/ Customer Service team for any inquiries you may have!