Air and Vacuum Valve - MAXIAIR® AIS

SIZE RANGE: 1/2 - 1 inch (15 mm - 25 mm) MAX TEMP: 150°F (65°C) Inlet MAX PRESSURE: 150

MAXIAIR® AIS -Ductile iron fusion bonded epoxy coated body with two bolt access cover and stainless steel trim. Threaded female x female connections. Nitrile (Buna-N) seat. Large orifice vents on filling- eliminates vacuum under pressure loss.

Inlet Pressure MIN: 20 PSI
Inlet Pressure MAX: 150 PSI

Consult factory for full line of sizes available.


Warranty: 1 Year

Discount Code B
FOB Factory


Air and Vacuum Valve - MAXIAIR® AIS Specifications

Air and Vacuum Valve - MAXIAIR® AIS Manuals

Sizes and Prices

Part Number Size Weight Spring Range Stainless Steel
List Price
Carbon Steel
List Price
Case Qty Style Plug Size Cracking Pressure By Pass Outlet Inlet Part #
Part #
Flanged 150
List Price
3520 1/2" 8 1/2" $649.00
3521 1" 16 1" $869.00