Product Description
DPS40 Series-with Aluminum Cover
Supervisory Pressure Switch
The TEWASPRAY DPS40 series pressure type supervisory pressure switches shall be installed on system piping as designated on the drawing and/or as specified herein. Switched shall be provided with 1/2" NPT male pressure connection and to detect an increase and/or decrease from normal system pressure in automatic fire sprinkler system. Typical applications are: Dry pipe valves, Pre-action valves, or pressure tanks. The DPS40 series pressure switches are factory set for use in a normal 40psi system. The DPS40-1 is factory set to respond at 30psi at decreasing pressure and DPS40-2 is factory set to respond at 50psi at increasing pressure and 30psi at decreasing pressure
For DPS40 Series Supervisory Pressure Switch, the Plastic Cover is alternative.
Description:
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Maximum System Pressure: |
300PSI (2.1MPa) |
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Factory Setting: |
Operates at decreasing pressure at 30psi Operates at increasing pressure at 50psi |
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Differential: |
Approximately 3psi@10psi, 6psi@60psi |
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Maximum Adjustment Pressure Range: |
10 to 60psi |
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Contact Ratings: |
Two sets of SPDT (Form C) |
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10.1Amps at 125/250 VAC |
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2.0Amps at 24 VDC |
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Enclosure Rating: |
NEMA 4- suitable for indoor/outdoor use |
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Conduit Entrances: |
One opening for 1/2" conduit |
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Pressure Connection: |
Nylon 1/2" NPT Male |
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Warranty: |
3 Years |
Call Us :
3 / f, building 1, west lake industrial park, weitang town,xiangcheng distric, Suzhou, China, 215134 
Email :
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