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Irrigation

Bermad Model 420 - 55 - 2 way Pressure Reducing Solenoid Valve

The Bermad Model IR-420-55 Pressure Reducing Valve with Solenoid Control is a hydraulically operated, diaphragm actuated control valve that reduces higher upstream pressure to lower constant downstream pressure regardless of fluctuating demand or varying upstream pressure. The Bermad Model IR-420 - 55 opens and shuts in response to and electric signal.

PRODUCT CODE:
420-2W-55-XXX
SIZE RANGE:
50-250mm

Features and Benefits

  • Line Pressure Driven PRV, Electrically Controlled On/Off
    - Projects downstream systems
    - Wide range of pressures and voltages
    - Normally Open, Normally Closed or Last Position
  • Advanced Glove Hydro-Efficient Design
    - Unobstructed flow path
    - Single moving part
    - High flow capacity
  • Fully Supported & Balanced Diaphragm
    - Requires low opening and actuation pressure
    - Excellent low flow regulation performance
    - Progressively restrains valve closing
    - Prevents diaphragm distortion
  • User Friendly Design
    - Easy pressure setting
    - Simple in-line inspection and service
[1] Bermad Model IR-420-55 Opens in respond to an elecric signal establishing reduces pressure zone.
[2] Bermad Water Meter Modle WPH
[3] Bermad Air Relief Valve Model ARC-A-I-I

Typical Applications

  • Pressure Reducing stations
  • Flow and Leakage Reduction
  • Cavitation Damage Prevention
  • Source and "on Duty" Valves Management
  • Pressure Zone Isolation
  • Downhill Supply Lines
  • System Maintanence Saving

Technical Specifications

Dimensions and Weights

Bermad Model 420 -55 - 2 way pressure Reducing Valve - Dimensions and Weights

Technical Data

Patterns and Sizes: Globe: 3-16”; DN80-400 Angle: 3-4”; DN80-100

End Connections:

Pressure Rating: 16 bar; 232 psi

Operating Pressure Range: 0.5-16 bar; 7-232 psi

For lower pressure requirements, please contact us.

Setting Range: 1.5-16 bar; 22-232 psi

Setting ranges vary according to specific pilot spring. For more information please contact us.

Materials:

Body and Cover:

Polyester Coated Cast or (10”; DN250 and larger) Ductile Iron

Spring: Stainless Steel

Diaphragm: Nylon fabric Reinforced NR with rugged insert

Bolts, Studs and Nuts: Zinc-Cobalt plated Steel

Control Accessories: Brass

Tubing and Fittings: Reinforced Plastic and Brass

Solenoid Voltage Range:

24VAC, 24VDC

Other voltages available

Flow Chart

Bermad Model 420 - 55 - 2 Way Pressure Reducing Valve - Flow Chart

Operation

Bermad model 420 - 55- 2 way pressure Reducing Valve -Operation

The Needle Valve [1] continuously allows line pressure into the Control Chamber [2]. The pressure Reducing Pilot [3] senses downstream Pressure [P2], and throttles when it rise above setting. Pressure then accumulates in the control chamber causing the Valve to throttle closed, decreasing [P2] topilot setting. The pilot releases accumulated pressure when [P2] falls below setting, thereby causing the Valve to modulate open. Closing the solenoid [4] causes pressure in the control chamber to accumulate shitting off the Valve.

How to Order

Please specify the requested valve in the following sequence: (for more options, please contact us.)

Manual
Datasheet
Engineering Data*
* Note: For some products Manual or Engineering Data are available only upon request.

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Product code

Bermad Model 420 - 55 - 2 way Pressure Reducing Solenoid Valve

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