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Singer Valve - Model 106/206-BPC -Booster Pump Control Valves - Double Chamber
The 106-BPC and 206-BPC booster pump control valves are installed in-line, directly downstream of the pump discharge. The pump control valve is normally closed and on pump start-up, a pilot solenoid is energized to open the valve, at a rate governed by the opening speed control. When shut-down is required the pilot solenoid on the valve is de-energized to commence closing. The pump is kept running while the valve slowly closes. When the valve is almost fully closed and flow is virtually zero, a stem mounted cam triggers the limit switch to stop the pump.
In the event of a power failure, the built-in mechanical drop check closes immediately when the flow stops, independently of the valve position. Surges are minimized by closing the valve before reverse flow occurs.
- Suitable for most pumping applications including suction lift and low differential head
- Prevents pump starting and stopping surges
- Built-in non-slam mechanical check reduces surges on loss of power
- Separate opening and closing speed controls
- Main Valve - 106-PTC or 206-PTC
- Strainer - (2A,2B) - 40 mesh stainless steel
- Check Valves - (3A,3B)
- Isolation Valves - (4A,4B)
- Micrometer Flow Control Valves - (5A,5B)
- Model X129 Limit Switch Assembly - NEMA 4, SPDT
- Solenoid Valve - four way, NEMA 4
Standard materials for pilot system components are:
- ASTM B-62 bronze or ASTM B-16 brass
- AISI 303 / 316 stainless steel trim
Refer to Electronic Control section (SPC product), see page 241, and consult Singer Valve for pump control panel options.