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Pressure

Pressure Switches

Pressure, vacuum and differential-pressure switches, including explosion-proof models.

Pressure switches provide alarm and trip functions without a control system in the loop. The range covers hermetically sealed and explosion-proof process switches for hazardous areas through to HVAC differential-pressure and airflow switches.

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SOR Inc.

Adjustable Dead Band

The SOR V3 adjustable dead band, explosion proof pressure switch is designed for use in hazardous locations where a wide,...
SOR Inc.

Big Hermet

The SOR hermetically sealed, Big Hermet is designed for mounting in a panel or on the wall when easy access is critical. The...
SOR Inc.

Bourdon Tube

Designed to work in extremely high-pressure applications, the explosion proof SOR bourdon tube pressure switch is well suited for...
SOR Inc.

Differential Pressure Switches

Models Big Hermet, Mini Hermet, 101/121 Ranges 3 to 500
SOR Inc.

Dual Hi Lo

The SOR V2 explosion proof sealed pressure switch features two discrete sensing assemblies and 2 separate set points with 2...
SOR Inc.

Dual Opposed Diaphragm

This versatile opposed piston type differential pressure switch from SOR is essentially two static o-ring type pressure sensors at...
DwyerOmega

Dwyer 1950G Explosion-Proof Differential Pressure Switch

One SPDT Relay; 1/8" FNPT; Weather Proof; Dry Gases
DwyerOmega

Dwyer Series 1831 DPDT Low Differential Pressure Switch

DPDT Switch & Manual Reset; Use in High Duct Static Cutout Installations
DwyerOmega

Dwyer Series 1900 Compact Low Differential Pressure Switch (SPDT Contact)

Monitors Air/Non-Combustible Gases; Set Point 0.07" to 20"wc (1.8 to 508 mm); +/- 3% Repeatability
DwyerOmega

Dwyer Series 1950 Explosion-Proof Differential Pressure Switch

SPDT 1C Relay; 1/8" NPT; Air/Non-Corrosive Dry Gases
DwyerOmega

Dwyer Series 3000MR/MRS Photohelic Switch/Gage

Combines Differential Pressure Gage with Low & High Set Points; NIST Cal Available
DwyerOmega

Dwyer Series ADPS (HVAC) / EDPS (Plenum Rated) Differential Pressure Switches (SPDT Contact)

Monitors Air & Non-Combustible Gases; Set Points 0.08" to 20"wc; +/- 3% Repeatability
DwyerOmega

Dwyer Series DX Wet to Wet Differential Pressure Switch; Use in most Gas/Water Based Solutions

SPDT Snap Switch; Contact Rating 5A @ 125/250 VAC, 5A Resistive @ 30 VDC; NEMAA 4X (IP65) Rated
DwyerOmega

Dwyer Series EDPS Adjustable Differential Pressure Switch

Easy pressure adjustment with gauge; Low cost for BAS/HVAC duct control; Relay contact for DDC integration; Filter monitoring,...
DwyerOmega

Dwyer Series-A1F OEM Weatherproof Pressure Switch, 316 SS, 15 A for Pumps & Motors

Weatherproof Pressure Switch; 316 SS, 15 A Contacts
DwyerOmega

Dwyer Series-A6 Durable Pressure Switches – Polyimide Diaphragm – 1/4 in NPT Male

Durable Pressure Switch; Polyimide Diaphragm, ¼" NPT
DwyerOmega

Dwyer Series-CXA Water Pump Pressure Switch, Easy Set Point, 1/4 in NPT, for Wells

Water Pump Pressure Switch; Tool‑Free Setpoint, ¼" NPT
DwyerOmega

Dwyer Series-DA Bourdon Tube Pressure Switches with External Adjustments for HVAC & Pumps

Bourdon Tube Pressure Switch; Field‑Adjustable for HVAC & Pumps
SOR Inc.

High Static Operation

These differential pressure switches are suited for low-to-high differential pressure process media or fluid power applications...
SOR Inc.

Low Range 107 Differential Pressure Switch

Designed primarily for air and clean gas applications for low pressures, this instrument accurately reads very low pressures in...
SOR Inc.

Low Range Series 20 Differential Pressure Switch

Based on the tried and true Static “O” Ring type pressure sensor, the Low-range Series 20 explosion proof low pressure...
SOR Inc.

Mini Hermet

ATEX, UL/CSA, GOST, INMETRO, RTN, SIL; Snap Switch: ATEX, TestSafe (SAA), UL/CSA
SOR Inc.

Pressure and Vacuum Switches

SOR® Pressure Switches are rugged, field-mounted instruments. The pressure sensing element of the SOR pressure switch is a...
SOR Inc.

Sub Mini Hermet

8 to 200 psi, 0.5 to 14 bar (adjustable); 0.6 to 500 psi, 0.4 to 35 bar (factory set)

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