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Irrigation

Build and Industry

Bermad Model 450 - 60 - 2 way Level Control Valve

The BERMAD Model IR-450-60-R Level Control Valve with Modulating Horizontal Float is a hydraulically operated, diaphragm actuated control valve. The valve hydraulically controls reservoir filling to maintain constant water level regardless of fluctuating demand.

PRODUCT CODE:
450-60-XXX
SIZE RANGE:
25-250mm

Features and Benefits

  • Line Pressure Driven, Hydraulically Controlled
  • Modulating Hydraulic Float Control
    - “Always Full” reservoir
  • Advanced Globe 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
  • External Installation
    - Easy access to valve and float
    - Less wear and tear
    - Simple in-line inspection and service

[1] BERMAD Model IR-450-60-R opens upon drop in reservoir level maintaining “Always Full” reservoir, and shuts on rise in reservoir level to preset high.
[2] BERMAD Modulating Horizontal Float Model “60”
[3] BERMAD Strainer Model 70F

Typical Applications

  • Large Surface Area Reservoirs
  • Low Volume Reservoirs
  • Unavailable Power Supply Locations
  • Fertilizer Mixing Tanks

Technical Specifications

Dimensions and Weights

Bermad Model 450-60 - Level Control 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.

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

Flow Chart

Bermad Model 450 - 60 - Level Control Valve - Flow Chart

Operation

Bermad Model 450 - 60 - Level Control Valve - Operation

The Needle Valve [1] allows continuous flow from Valve inlet into the Control Chamber [2]. When water level rises, it pushes the Float [3] up throttling the Float Pilot [4]. Pressure in the control chamber accumulates, causing the Valve to throttle closed, reducing filling rate, and eventually closing drip tight. Should level fall, the float pilot releases pressure from the control chamber causing the Valve to modulate open. The needle valve controls Valve closing speed. The Cock Valve [5] enables manual closing.

How to Order

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

Manual
Datasheet
Engineering Data

Cannot download file or do you need more information? Please contact us below.

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Product code

Bermad Model 450 - 60 - 2 way Level Control Valve

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