PSR/PS - Paddle Flow Switch

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Product Specifications
PSR Switching Ranges0.9...1.3 GPM to 9.2...15 GPM (Water)
PS Switching Ranges13...16 GPM to 185...242 GPM (Water)
Fittings 1/4"...1-1/2" NPT
Body MaterialBrass, SS
Max. Pressure1450 PSIG (Brass) / 3600 PSIG (SS)
Max. Temperature230 °F
Reed Switch ContactSPST Standard, SPDT (Optional)
Product Features
Adjustable Switch Point
Easy to Install
Brass or SS Construction
Low Cost
Simple, Reliable Design

The KOBOLD PSR/PS Series paddle-type flow switches can be used wherever a simple, economical and yet reliable monitoring instrument is required for flow switching applications. The flow switch operates as follows: The flowing media presses against the paddle of the switch. The paddle is fitted to one end of a balance arm, which is in direct contact with a leaf spring. At the other end of the balance arm is a permanent magnet. This magnet actuates a reed contact located within a movable housing outside the media. The reed contact changes state depending upon the position of the permanent magnet and the switch housing. The status of the switch may then be used to electrically monitor the fluid flow condition. The externally-adjustable reed switch on the KOBOLD PSR/PS paddle flow switch allows the contacts to be set either normally open (N/O) or normally closed (N/C) with only a small switch adjustment.


Additional Product Documents

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Other Members of the KOBOLD Group:Henschen, Unirota, Heinrichs, MesUra Henschen GmbH KOBOLD Unirota Kft. Heinrichs KOBOLD Group MesUra KOBOLD Messring GmbH
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