Dwyer Series DS-7231-153-1 Pressure Switch
In stock
SKU
00001446
Product Shipping Subject to Factory Availability Need Specifications? See PDF Section Below.
The DS Models are equipped with a single external adjustment for setting operating point only. The deadband is fixed at a factory setting and cannot be altered in the field. For switches choose between the snap action switch, hermetically sealed snap action switch and hermetically sealed mercury switch.
Bourdon Tube Pressure Switch
Pressure Ranges to 8000 psi (551.6 bar)
SPECIFICATIONS
Wetted Materials: Brass, 403 SS, or 316 SS.
Temperature Limit: 180F (82C).
Pressure Limit: Maximum pressure of the operating range.
Enclosure Rating: General purpose, weatherproof or explosion-proof.
Repeatability: 1% of full operating range, 1.5% on DS-7300 models.
Switch Type: SPST mercury switch, SPDT mercury switch, SPDT snap switch, or SPDT hermetically sealed snap switch. Other circuit types available.
Electrical Rating: See chart on ”Ordering” page.
Electrical Connections: Screw terminal.
Conduit Connection: General purpose: 1/2” hole for conduit hub. Weatherproof: 1/2” conduit hub. Explosion-proof: 3/4” female NPT.
Process Connection: General purpose and weatherproof: 1/4” male NPT; 1/2” male NPT on range 15S and 16S. Explosion-proof: 1/2” male NPT and 1/4” female NPT.
Mounting Orientation: Vertical.
Set Point Adjustment: Thumbscrew.
Weight: General purpose: 4 lb (1.8 kg). Weatherproof: 6 lb (2.7 kg). Explosion-proof: 8 lb (3.5 kg).
Deadband: See chart on ”Ordering” page.
Agency Approvals: CE (mercury switch units are not CE approved), UL, CSA, FM.
Pressure Ranges to 8000 psi (551.6 bar)
SPECIFICATIONS
Wetted Materials: Brass, 403 SS, or 316 SS.
Temperature Limit: 180F (82C).
Pressure Limit: Maximum pressure of the operating range.
Enclosure Rating: General purpose, weatherproof or explosion-proof.
Repeatability: 1% of full operating range, 1.5% on DS-7300 models.
Switch Type: SPST mercury switch, SPDT mercury switch, SPDT snap switch, or SPDT hermetically sealed snap switch. Other circuit types available.
Electrical Rating: See chart on ”Ordering” page.
Electrical Connections: Screw terminal.
Conduit Connection: General purpose: 1/2” hole for conduit hub. Weatherproof: 1/2” conduit hub. Explosion-proof: 3/4” female NPT.
Process Connection: General purpose and weatherproof: 1/4” male NPT; 1/2” male NPT on range 15S and 16S. Explosion-proof: 1/2” male NPT and 1/4” female NPT.
Mounting Orientation: Vertical.
Set Point Adjustment: Thumbscrew.
Weight: General purpose: 4 lb (1.8 kg). Weatherproof: 6 lb (2.7 kg). Explosion-proof: 8 lb (3.5 kg).
Deadband: See chart on ”Ordering” page.
Agency Approvals: CE (mercury switch units are not CE approved), UL, CSA, FM.
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