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GA Figure 1730, 1740 Electric Check Pump Control Valve
Brand: GA IndustriesGA Industries “Electric Check” pump control valves are installed on the discharge of water pumps to minimize pressure surges associated with pump starting and stopping.
They are self-contained, differential piston actuated valves and utilize line pressure for operation. A system of valve mounted electro-hydraulic controls sequences the operation of the valve with that of the pump motor.
The valve’s unique V-port trim provides semi-linear flow control while opening and closing for ideal surge control plus full port capacity to minimize head loss while the pump is in operation.
The Electric Check pump control valve has independently adjustable normal opening, normal closing and emergency closing speeds so the valve can be “tuned” to minimize surges under all operating conditions.
The electrical logic necessary to interface the valve with the motor control center can be provided by others or by using the GA Industries Pump Director pre-wired control panel.
Features- Heavy duty cast iron body with lead-free bronze internals for long term dependable service
- V-port trim for excellent flow control plus full port capacity
- 120VAC/60Hz 3-Way solenoid pilot with independently adjustable normal opening and closing speed controls
- 120VAC/60hz 2-Way emergency solenoid pilot with independent emergency closing speed control
- Visual position indicator and limit switch
- Wye strainer and pilot isolating valves
Specifications
Brand
Body
- Cast Iron, ASTM A126 Class B
Cover
- Steel, ASTM A36
Internal Trim
- Lead-free Bronze
Renewable Seat
- Buna-N
Internal Fasteners
- Stainless Steel
External Fasteners
- Steel, A307, Zinc-Plated
Pilot System
- Lead Free Brass, Bronze or Copper
Corrosion Protection
- Internal and External Carboline 891 NSF-61 Certified Epoxy, min 6 mil DFT
Documentation
Sample Specification
Technical Datasheet
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