Catalog excerpts
BERMAD Irrigation 400 Series Pressure Reducing Pressure Reducing Valve IR-420-XZ The BERMAD Model IR-420-XZ 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 and opens fully upon line pressure drop. 3-Way Hydraulically Actuated Pressure Reducing Valve Protects downstream systems ❏ Opens fully upon line pressure drop 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 ❏ Pressure Reducing Stations Flow and Leakage Reduction Systems Subject to Varying Supply Pressure Energy Saving Irrigation Systems Downhill Supply Lines Pressure Zoning System Maintenance Savings [1] BERMAD Model IR-420-XZ reduces line pressure, protecting downhill line and consumers. [2] BERMAD Pressure Relief
Open the catalog to page 1400 Series For full technical details, refer to Engineering Section. Pressure Reducing Flow Chart Technical SpecificationsDimensions and Weights AP AP 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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