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  1. Hydraulics - Pneumatics
  2. Valve
  3. Direct-operated solenoid valve
  4. BERMAD CS Ltd

Direct-operated solenoid valve IR-21T
2-waynormally closednormally open

Direct-operated solenoid valve - IR-21T - BERMAD CS Ltd - 2-way / normally closed / normally open
Direct-operated solenoid valve - IR-21T - BERMAD CS Ltd - 2-way / normally closed / normally open
Direct-operated solenoid valve - IR-21T - BERMAD CS Ltd - 2-way / normally closed / normally open - image - 2
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Characteristics

Control
direct-operated
Ports/positions
2-way
Function
normally closed, normally open
Medium
hydraulic
Body
in-line, chemical-resistant
Other characteristics
chemical-resistant, membrane
DN

Max.: 50 mm
(1.969 in)

Min.: 12 mm
(0.472 in)

Voltage

9 V, 20 V

Pressure

Max.: 10 bar
(145 psi)

Min.: 0.5 bar
(7.3 psi)

Description

Overview
The BERMAD 2-way solenoid controlled on/off valve IR-21T-2W-M is a hydraulically operated, diaphragm-actuated valve with an internal Feed & Bleed hydraulic control loop and an integrated TRIO Open-Auto-Close manual selector for manual override of the electric signal. Intended for irrigation use only; manufacturer's warranty is limited to permitted use.

Features & Benefits
  • Line-pressure driven, hydraulically controlled on/off operation
  • Smooth valve opening and closing
    • Accurate and stable regulation
    • Low operating and actuation pressure requirements
  • Composite hydro-efficient globe valve
    • Unobstructed flow path
    • Single moving part
    • High flow capacity
    • Chemical and cavitation resistant construction
  • Unitized flexible diaphragm and guided plug
    • Prevents diaphragm erosion and distortion
  • Fully supported and balanced diaphragm
    • Requires low actuation pressure
  • User-friendly design
    • Simple in-line inspection and service


Typical Applications
  • Automated irrigation systems
  • Drip systems
  • Greenhouse irrigation
  • Systems subject to varying supply pressure
  • Landscape irrigation
  • Energy-saving irrigation systems


Additional Features
  • Plastic test point


Technical Specifications
  • Model: IR-21T-2W-M
  • Series: 200 Series
  • Product type: Solenoid controlled on/off valve (2-way internal control)
  • Actuation: Solenoid control with hydraulic operation; diaphragm actuated
  • Control loop: Internal hydraulic Feed & Bleed
  • Manual override: TRIO integrated Open-Auto-Close selector (manual open/close of electric signal)
  • Valve design: Composite hydro-efficient globe valve with unobstructed flow path and single moving part
  • Diaphragm: Unitized flexible diaphragm, guided plug; fully supported and balanced
  • Performance: Low actuation/operating pressure requirements; high flow capacity; accurate and stable regulation
  • Durability: Chemical and cavitation resistant construction
  • Intended use: Irrigation only (warranty limited to permitted use)
  • Test point: Plastic test point
  • Manufacturer: BERMAD
  • Internal product code: 27501

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Irrigation

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.