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SOR Weatherproof Pressure Switch User Manual

Page 3

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Form 557 (05.13) ©SOR Inc.

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For bolted pressure ports, tighten the bolts with 70 – 80 in./lbs of torque (25 – 30 in./
lbs with the SB option).

Recalibrate the switch by screwing the adjusting nut inward. Follow the calibration

procedure from the general instructions that were supplied with the instrument.

Housing

Body

Anti-Friction Washer

Range Spring

Cylinder Disc

Piston

Back-up Diaphragm

Back-up Ring

Secondary Diaphragm

(fits inside of back-up ring)

Primary Diaphragm

(wetted)

O-Ring (wetted)

Bolted Pressure Port

(wetted)

Threaded Pressure Port (wetted)- Not shown