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IR 450-80-XZ Data Sheet

IR 450-80-XZ Data Sheet
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Level Control Valvewith Altitude PilotIR-450-80-XZ The BERMAD Model IR-450-80-XZ Level Control Valve with Altitude Pilot is a hydraulically operated, diaphragm actuated control valve. The valve hydraulically shuts at preset reservoir high level and fully opens in response to an approximately one-meter (three-foot) level drop, as sensed by the 3-way altitude pilot mounted on the main valve. ■ Line Pressure Driven, Hydraulically Controlled ■ Bi-Level Altitude Pilot □ No float, simple installation □ On/Off service □ No cavitation damage □ Suitable for low quality water ■ Advanced Globe Hydro-Efficient Design □ Unobstructed flow path □ Single moving part □ High flow capacity ■ Fully Supported & Balanced Diaphragm □ Requires low opening and actuation pressure □ Progressively restrains valve closing □ Prevents diaphragm distortion ■ User Friendly Design □ Easy level setting □ Simple in-line inspection and service [1] Typical Applications ■ High Level Reservoirs and Water Towers ■ Unavailable Power Supply Locations ■ Low Supply Pressure Systems ■ Low Noise Generation Requirements ■ Energy Cost-Critical Systems ■ Systems with Poor Water Quality ■ Level Sustaining at Reservoir Outlet [1] BERMAD Model IR-450-80-XZ shuts at reservoir preset high level and fully opens in response to an approximately one-meter (three-foot) level drop. [4] Tower drainage pipe (for maintenance) [5] Tower drainage N.C. valve (for maintenance) [6] Tower “Over Flow” pipe

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Flow Chart BERMAD IrrigationIR-450-80-XZ For full technical details, refer to Engineering Section. Technical Data Size 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 Pilot Setting Range: 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:...

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