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Documents: DA-41-153-26E

DA/DS with Mercury Switch DA/DS with Snap Switch Series DA/DS Catalog Page Mercury Switch More Info

DA-41-153-26E | Pressure switch | 316SS Bourdon tube | range 30" Hg Vac-75 psig | 7 psig min. deadband. | Dwyer

Pressure switch, 316SS Bourdon tube, range 30" Hg Vac-75 psig, 7 psig min. deadband.

Brand: DwyerSKU: DA-41-153-26E

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Overview Details for DA-41-153-26E

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Pressure switch | 316SS Bourdon tube | range 30" Hg Vac-75 psig | 7 psig min. deadband.

SERIES DA/DS BOURDON TUBE PRESSURE SWITCHES

Pressure Ranges to 8000 psi (551.6 bar)

Customers tell us that the Series DA/DS Bourdon Tube Pressure Switches are the best pressure switches made. The Mercoid DA/DS Series is one of the world’s broadest lines of pressure switches. The DA/DS Series has extremely high sensitivity and great repeatability. The DA Models are equipped with two external adjustments, one for setting high pressure operating point, the other for setting low pressure operating point. Deadband, the difference between high and low setpoints, is adjustable over the full-scale. The DS Models are equipped with a single external adjustment for setting operating point only. For mercury-free switches, choose between the snap action switch or hermetically sealed snap action switch. Hermetically sealed mercury switch also available.

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Product Applications

Compressors
Mechanical HVAC or process equipment
Pump control

Visible calibrated dial provides an easy and fast check without having to open devicecausing dangerous conditions to operators
On/off indication (except hermetically sealed snap switch models) gives operatorclear indication of state of switched equipment that could be located in anotherlocation
Adjustable or fixed deadband supports control applications by reducing equipmentwear-out by unnecessary recycling
External switch setpoint adjustments reduces set-up time
Pressure ranges of full vacuum to 8000 psig gives application designers the ability tospecify standard equipment, simplifying install and training, and reducing servicingcosts
UL listed, CSA approved many models FM approved to support rigorous processapplications and regulations
General purpose, weatherproof or explosion-proof enclosures for a variety of indooror outdoor environments meeting the needs of multiple applications and uses

Specifications

Series: DA/DS BOURDON TUBE PRESSURE SWITCHES
Category/Type: Pressure
Type: Single Pressure
Series: DA/DS BOURDON TUBE PRESSURE SWITCHES
Wetted Materials: Brass; 403 SS; or 316 SS.
Temperature Limit: 180°F (82°C).
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.
Electrical Rating: See Catalog 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 Catalog page.
Agency Approvals: CSA; FM; UL. (Consult factory for FM approval models.)