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Water Differential Pressure Switch, 1.Storage temperature:-29-82, 2.Ambient temperature:-20-71, 3.Media temperature range:-20-93 - details see: https://www.machineto.com/water-differential-pressure-switch-with-fixed-setpoint-10247561

WFS10 Water Differential pressure flow switch

Overview:

The 10 differential pressure controller was designed for OEM customers to control flow accurately. It can be used in plumbing system when it is necessary to make sure the pressure difference between two points does not exceed or drop below a specific value. The setting value can not be changed, which can ensure the flow setting value can not be changed

Technical parameters:

Storage temperature:	-29°C~82°C
Ambient temperature:	-20°C~71°C
Medium temperature range:	-20°C-93°C
Pressure connection:	1/4" SAE(7/16" –20UNF)G , 1/4"NPT for optional)
Max. static pressure:	10bar
Max. pressure difference:	5bar
Set point repeatability:	±1%
Output mode:	one SPDT dry contact output, one or two for optional factory set one SPDT dry contact
Switch:	10A(max),125/250VAC
Electrical connection:	model DIN 43650 /direct connect(105°C 2×0.75 3×0.75mm for optional)

Applications:

Pump status and feed back to automatic controlling system:

Heat exchanger flow controlling

Plate and extension-type heat exchanger

Shell and tube type heat exchanger