Caleffi 519 Series 519599A Differential Pressure By-Pass Valve With Graduated Scale, 3/4 in, Sweat Union, 9 gpm, 150 psi
- Manufacturer: Caleffi
- Brand Name: Caleffi
- Part#: CFI519599A
- MPN: 519599A
- Min. Order Qty: 1
- Qty. Interval: 1
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The differential pressure by-pass valve is used in systems with a fixed speed circulating pump supplying several zones controlled by two-way zone valves. This valve ensures that the head pressure of the pump is proportional to the number of two-way valves being closed. It will by-pass the differential pressure created by the pump as the zone valves close, thus eliminating water hammer noise.
Caleffi Differential Pressure By-Pass Valve With Graduated Scale, 519 Series, 3/4 in Nominal, Sweat Union Connection, 9 gpm Flow Rate, 150 psi, ABS/EPDM Seal, Brass, 32 to 230 deg F, Additional Information: 2-1/8 in Top to Inlet Center, 5-9/16 in Inlet to Outlet Length, Water/Glycol Media
| Additional Information | : | 2-1/8 in Top to Inlet Center, 5-9/16 in Inlet to Outlet Length, Water/Glycol Media |
| Connection Type | : | Sweat Union |
| Flow Rate | : | 9 gpm |
| Material | : | Brass |
| Nominal Size | : | 3/4 in |
| Pressure Rating | : | 150 psi |
| Seal Material | : | ABS/EPDM |
| Series | : | 519 Series |
| Temperature Rating | : | 32 to 230 deg F |
- Differential pressure by-pass valve
- Adjustable from 2 to 10 psig
Instruction/Installation Manual
Video Link