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VBPRA - Pressure Regulating
Brass Valve
Pressure Regulating Valve - Premier Series
Buckner’s pressure regulating brass valves have what it takes
to maintain constant pressure, and accurately regulate it…all
the time. Equalized, regulated water pressure can greatly
enhance overall sprinkler performance.
Application
These pressure-regulating valves are ideal for commercial,
agricultural and commercial irrigation systems that demand
precise control over water pressure.
Features and Benefits:
- Available in ¾”, 1”, 1¼”, 1½, 2”, 2½” and
3” sizes
- Normally closed design allows valves to open only when
electrically or manually activated.
- Regulates downstream pressure in both manual (without
external bleeding) and automatic operating modes.
- Regulated outlet pressure may be set at between 10 and 100
psi. Inlet pressure must be at least 15 psi higher than the
desired outlet.
- No external tubing between valve and regulator eliminates
possible damage to flow passages.
- High strength molded Buna-N diaphragm reinvorced with mesh
nylon has a 600 lb. burst test rating.
- Schrader valve for taking pressure measurements.
- All components are accessible with hex-head bolts on top
of valve for easy maintenance.
- Waterproof solenoid provides corrosion-free operation.
- Normally closed reverse flow design.
- Brass cross handle (except VBPRA07).
- Optional British Standard Pipe Threaded version available
(BS).
- Five-year warranty.
Operating Ranges
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US |
Metric |
| Flow: |
1 – 500 gpm |
.22 – 113.55 m3/hr |
| Pressure: |
25 – 150psi |
1.7 – 10.54 bars |
| Valve: |
0.9 – 2.0 sec. @ |
| Speed: |
50 – 100 psi |
Valve Selection Procedure
- Determine the total flow and pressure required to
operate the irrigation equipment.
- Add pipe friction losses to determine total downstream
pressure required at the regulating valve.
- Determine inlet pressure available.
- Select valve from the chart so that the flow and
regulation set point are approximately at the midpoint
of the operating range shown.
- Regulated outlet pressure may be set between 10 and
100 psi. Inlet pressure must be at least 15 psi higher
than the desired outlet pressure.
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