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DA-21-153-11S | Pressure switch | 403SS Bourdon tube | range 50-1000 psig | 60 psig min. deadband. | Dwyer Instruments
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Dwyer Instruments DA-21-153-11S: A Reliable Pressure Switch for Industrial ApplicationsThe Dwyer Instruments DA-21-153-11S is a single-pole, double-throw (SPDT) pressure switch designed to meet the demands of industrial engineers and maintenance professionals. It features a pressure range of 50 to 1000 psi, making it suitable for a wide variety of applications.The DA-21-153-11S is constructed from durable stainless steel, ensuring longevity and reliability in harsh industrial environments. Its compact design and versatility make it ideal for use in space-constrained applications. This pressure switch offers precise and reliable pressure monitoring, enabling efficient operation and maintenance of industrial systems. Its SPDT configuration allows for easy integration into control circuits, providing accurate pressure readings and control over connected equipment.Additional Specifications:- Pressure Range: 50 to 1000 psi- Material: Stainless Steel- Electrical Connection: 1/2" NPT- Switch Type: SPDT- Media: Liquids or Gases- Enclosure: NEMA 4- Application: Industrial Equipment, Process Control, Fluid Power Systemsour HVAC supply store: Your Trusted Source for Industrial SuppliesAt our HVAC supply store, we understand the critical nature of reliable products for industrial applications. That's why we offer the best prices and fast shipping on the Dwyer Instruments DA-21-153-11S pressure switch. Our commitment to customer satisfaction and industry expertise ensures that you receive the highest quality products at competitive prices. Trust our HVAC supply store for all your industrial supply needs and experience the difference in service and reliability.
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.
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
- freeship
- 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.)
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