SIZE RANGE: 2 - 3 inch (50 mm - 80 mm) MAX TEMP: 150°F (65°C) MAX PRESSURE: 150 PSI*

SEWAIR-COMBO® - Cast iron body, 303 stainless steel trim. NITRILE (Buna-N) seat. Provides same protection as Sewair-Dual®, but combines into one body.

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

Warranty: 1 Year

Discount Code B
FOB Factory





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SEWAIR-COMBO® Literature

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
6650 2" 50 1" $2,892
6651 2" 93 2" $4,344
6652 3" 127 3" $5,614

* For alternate lower or higher pressure applications consult factory.

Consult factory for full line of sizes available. 

For unit with backflush attachment, add "BF" to end of the part number and add list price. See backflush. 

For 316SS trim, add "ST" to the end of the part # and 20% to the list price.