DW-K - Piston flow switch

Ideal for low flows. Developed for monitoring cooling systems with low flow ranges.
For intervention points between 0.1 and 2.5 l/min.
Ultra-compact.

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SKU Model Description Price Quantity
9577 DW-K - Piston flow switch - DW-K-A-0,2

Material: brass.
Process connections: 1/4" threaded F BSP.
Switch point: 0,2 l/min.

65 EUR
9578 DW-K - Piston flow switch - DW-K-A-0,5

Material: brass.
Process connections: 1/4" threaded F BSP.
Switch point: 0,5 l/min.

65 EUR
9579 DW-K - Piston flow switch - DW-K-A-0,8

Material: brass.
Process connections: 1/4" threaded F BSP.
Switch point: 0,8 l/min.

65 EUR
9580 DW-K - Piston flow switch - DW-K-A-1,2

Material: brass.
Process connections: 1/4" threaded F BSP.
Switch point: 1,2 l/min.

65 EUR
9581 DW-K - Piston flow switch - DW-K-A-2,5

Material: brass.
Process connections: 1/4" threaded F BSP.
Switch point: 2,5  l/min.

65 EUR

Description

This flowmeter was specially developed for the monitoring of coolant circulation systems with low flow rates, and has been precisely adapted to suit requirements of this application (water or other liquids not particularly viscous). The appliance is ideal for  for switching points between 0,1 and 2,5 l/min and is ultra compact.
Measuring principle A specially designed piston equipped with a permanent  magnet  is kept in a predefined position via a spring. Depending on the rate of flow, the medium slides the piston against the spring. If the flow exceeds or falls short of the present  switching point, the reed switch outside the medium is activated contactlessly via the permanent magnet. The design is therefore heremetically sealed. It can be disassembled very easily if it ever needs to be cleaned.
 

SPECIFICATIONS Reedswitch: 200 V, 15 W, 1A MAX.
Piston: POM.
Spring: Stainless steel.
Body material: vedi articolo.
Hysteresis: about 0,1 l/min.

Documentation

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DW-K - Piston flow switch

Ideal for low flows. Developed for monitoring cooling systems with low flow ranges. For intervention points between 0.1 and 2.5 l/min. Ultra-compact.