Product Description

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.

PSR/PS - Paddle Flow Switch

Product Specifications

PSR Switching Ranges
0.6...1.2 GPM to 12.6...17.7 GPM (Water)
PS Switching Ranges
18.0...23.7 to 101.2...140.8 GPM (Water)
Fittings
1/4"...1-1/2" NPT
Body Material
Brass, SS
Max. Pressure
1450 PSIG (Brass) / 3600 PSIG (SS)
Max. Temperature
230 °F
Reed Switch Contact
SPST Standard, SPDT (Optional)

Product Features

Adjustable Switch Point
Easy to Install
Brass or SS Construction
Low Cost
Simple, Reliable Design

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