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IR 205-05 105-M

IR 205-05 105-M
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Anti-Drain Valve (adv) IR-205-05 The BERMAD Anti-Drain Valve is a spring loaded diaphragm actuated valve that opens upon pressurizing the irrigation system and shuts off drip-tight when the system reaches closure pressure. The BERMAD ADV maintains the main distribution line under low pressure, preventing damage caused by line emptying or fill-up, and enables plot’s irrigation to simultaneously start/stop, thereby contributing to irrigation uniformity. Features and Benefits ■ Spring Loaded Elastomeric Valve □ Self operated □ Range of closing springs ■ Plastic Globe Hydro-Efficient Valve □ Unobstructed flow path □ Single moving part □ High flow capacity □ Highly durable, chemical and cavitation ■ Flexible Balanced Diaphragm & Seal □ Fully opening □ Secured drip-tight closing ■ User-Friendly Design □ Simple in-line inspection [1] [3] [3] Typical Applications ■ Plain Plots with Sloppy Margins ■ Downhill Sprinkler Lines ■ Hillside Irrigation Machines [1] BERMAD Model IR-205-05 opens upon start of irrigation and shuts off drip-tight when irrigation stops, maintaining main distribution line under low pressure, and preventing damage caused by line emptying or fill-up. [3] BERMAD Model TT’-PRV [4] BERMAD Vacuum Breaker Model ^”-ARV

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For full technical details, refer to Engineering Section. Technical SpecificationsDimensions and Weights Flow Chart Pattern Globe Angle AP 2-Way Circuit "Added Head Loss", bar (for "V" below 2 m/s; 6.5 f/s): 0.3 bar; 4.5 psi 1.0 0.8 0.6 0.5 0.4 Technical Data Operation Sizes: /-2”; DN20-50 Patterns: Globe: /, 1, 1/ & 2”; DN20, 25, 40 & 50 Angle: 1/ & 2”; DN40 & 50 Y (Oblique: 1”; DN25) End Connections: Female Threads BSP or NPT Pressure Rating: 10 bar; 145 psi Operating Pressure Range: 0.5-10 bar; 7-145 psi Setting Range: 0.7-2.5 bar; 10-36 psi Setting ranges vary according to specific...

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