- 베인 작동식 유량 스위치 V4
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FLOTECT ® VANE OPERATED FLOW SWITCH
Field Adjustable – Dependable Protection Against Flow Variation or Stopping in Pipelines for Fluids, Gases and Flowing Solids
The Series V4 Flotect ® Vane Operated Flow Switch is rugged and reliable, ideal for automatically protecting equipment and pipeline systems against damage from reduction or loss of flow.
Time tested in thousands of pipeline installations and processing plants around the world this Series is Weatherproof, designed to meet NEMA 4 and Explosion-proof (listing included in specifications).
This series can be used in pipes 1-1/2˝ (38.10 mm) and up.
FEATURES/BENEFITS
• Unique magnetically actuated switching design gives superior performance
• Features a free-swinging vane which attracts a magnet within the solid metal switch body, actuating a snap switch by means of a simple lever arm with no bellows, springs, or seals to fail
• Leak proof body machined from bar stock
• Electrical assembly can be easily replaced without removing the unit from installation so that the process does not have to be shut down
• Installs directly and easily into pipeline with a thredolet, tee, or flange (see application drawings)
• High pressure rating of 1000 psig (69 bar) with the brass body and 2000 psig (138 bar) with the 316 SS body
• Choice of custom vane calibrated for your application, Model V4, or field adjustable multilayer vane, Model V4-2-U (see set point chart)
APPLICATIONS
• Protects pumps, motors and other equipment against low or no flow
• Controls sequential operation of pumps
• Automatically starts auxiliary pumps and engines
• Stops liquid cooled engines, machines and processing when coolant flow is interrupted
• Shuts down burner when air flow through heating coil fails
• Controls dampers according to flow
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