SEWAIR-MAXI® – Cast iron body, 303 stainless steel trim. Threaded female x female connections. NITRILE (Buna-N) seat. Large orifice–equals inlet size vents on filling. Eliminates vacuum in waste water pipeline under pressure loss.
Inlet Pressure MIN: 20 PSI*
Inlet Pressure MAX: 150 PSI*
Sizes and Prices
| Part Number | Size | None | None | List Price |
|---|---|---|---|---|
| 6620 | 2″” | 49 | 1″” | $1,433 |
| 6621 | 2″” | 90 | 2″” | $2,711 |
| 6622 | 3″” | 100 | 3″” | $3,420 |
| 6623 | 4″” | 120 | 4″” | $4,592 |
| 6624 | 6″” | 210 | 6″” | $7,705 |





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