In-line balanced pressure proportioner is used to automatically balance the higher foam concentrate pressure to the lower system water pressure. It offers the advantage of proportioning at a location remote from the tank.
Available size (Source 1 with UL/FM)
| Size | Foam concentrate inlet | Material | Working pressure (psi) | Ref. No. |
|---|---|---|---|---|
| 3″ GRV or FLG | 1.5″ GRV | Bronze | 30 ~ 175 | B0701 (UL/FM) |
| 4″ GRV or FLG | 2″ GRV | Bronze | 30 ~ 175 | B0702 (UL/FM) |
| 6″ GRV or FLG | 2″ GRV | Bronze | 30 ~ 175 | B0703 (UL/FM) |
| 8″ GRV or FLG | 2″ GRV | Bronze | 30 ~ 175 | B0704 (UL/FM) |
Note: ILBP is UL and FM certified when used with specific foam concentrate, tank, and foam discharge device.
Available size (Source 2 with UL)
| Size | Foam concentrate inlet | Material | Working pressure (psi) | Ref. No. |
|---|---|---|---|---|
| 2-1/2″ Wafer or FLG | 1-1/2″ FLG | Bronze / SS | 40 ~ 175 | B0721 (UL) |
| 3″ Wafer or FLG | 1-1/2″ FLG | Bronze / SS | 40 ~ 175 | B0722 (UL) |
| 4″ Wafer or FLG | 1-1/2″ FLG | Bronze / SS | 40 ~ 175 | B0723 (UL) |
| 6″ Wafer or FLG | 2″ FLG | Bronze / SS | 40 ~ 175 | B0724 (UL) |
| 8″ Wafer or FLG | 2″ FLG | Bronze / SS | 40 ~ 175 | B0725 (UL) |
Note:
1. ILBP is UL and FM certified when used with specific foam concentrate, tank, and foam discharge device.
2. It is supplied with manual override valve, and also available without manual override valve.
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