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IR 420

IR 420
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Pressure Reducing Valve IR-420 The BERMAD Model IR-420 Pressure Reducing Valve 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. ■ Line Pressure Driven Pressure Reducing Valve a Protects downstream systems ■ Advanced Globe Hydro-Efficient Design □ Unobstructed flow path □ Single moving part □ High flow capacity ■ Fully Supported & Balanced Diaphragm □ Requires low 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 □ Easy addition of control features [2] [3] [1] Typical Applications ■ Pressure Reducing Stations ■ Flow and Leakage Reduction ■ Cavitation Damage Protection ■ Pressure Zoning ■Downhill Supply Lines ■ System Maintenance Savings [1] BERMAD Model IR-420 reduces line pressure, protecting downhill line and consumers. [2] BERMAD Pressure Relief Valve Model 73Q [3] BERMAD Strainer Model 70F

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400 Series For full technical details, refer to Engineering Section. Pressure Reducing Flow Chart Technical SpecificationsDimensions and Weights Size 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, consult factory Setting Range: 1.5-16 bar; 22-232 psi Setting ranges vary according to specific pilot spring. Please consult factory. Materials: Body and Cover: Polyester Coated Cast or (10”; DN250 and larger) Ductile Iron Spring:...

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