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DWYER SA1100 diaphragm operated pressure switch

The Series SA1100 Diaphragm Operated Pressure Switches are weatherproof and explosion-proof in one economical enclosure. Extremely rugged construction assures excellent reliability in chemical, petroleum and industrial plants. New design also provides burst pressure protection to 3000 psi (206 bar). The rolling diaphragm design maintains a constant effective area to minimize friction

			
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Made in USA. brand DWYER, model SA1100

International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.

Retail price from $554,3

Available

Available

Founded in 1931, DWYER manufactures equipment for measurement, conversion and control – pressure, temperature, level, flow.

Advantages

Only the best I&C brands

Our company is a global supplier of control and measuring instruments from well-known world brands

Advantages

Discounts for organisations

We sell high-tech equipment at very low prices. We provide really advantageous conditions for partners

Advantages

Fast delivery across the Europe & Asia

We take care of all logistics and customs clearance of I&C solutions from Europe, USA, China and India

Advantages

Professional advice on device selection

Our specialists are ready to advise you on any technical question. We can find an analogue of any device

Description of DWYER SA1100

This results in a minimum deadband as low as 5% of full-scale. Since many applications require higher deadbands, the SA1100 includes a separate adjustment of this when necessary. A pump being used to control liquid level in a tank would be a typical situation where this feature would be important. Both setpoint and deadband adjustments are protected, yet clearly visible behind a clear polycarbonate window and are fully isolated from the electrical components for additional safety. A 7/16″ open-end wrench is the only tool required to change settings. Terminal blocks are provided for switch wiring connections and both internal and external ground screws are included. Standard housing is weatherproof to NEMA standards 1 through 4X and 13; explosion-proof to NEMA 7, Class I, Groups B, C & D; NEMA 9, Class II, Groups E, F & G. Optional construction adds drain to meet NEMA 3R IP54.

PRODUCT APPLICATIONS

  • Chemical, petroleum, food and drug processing industries
  • Used indoor, outdoor or in explosion-proof area
  • Pump control

FEATURES

  • Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation
  • Burst pressure protection prevents device failure where high-pressure surges may damage device costing down-time and repair/replacement
  • Adjustable deadband reduces equipment cycling and potential failure
  • Visible set-point and deadband adjustments provide an easy and fast check without having to open device causing dangerous conditions to operators

Technical specifications of DWYER SA1100

  • Wetted Materials: See pressure chamber and diaphragm material in model chart.
  • Temperature Limits: -30 to 180°F (-35 to 82°C) standard. ATEX compliant at Ambient Temperature -4 to 167°F (-20 to 75°C); Process Temperature -4 to 167°F (-20 to 75°C).
  • Pressure Limit: 1200 psig (82.6 bar).
  • Enclosure Rating: *Weatherproof and Explosion-proof. Listed with UL and CSA for Class I, Groups B, C and D; Class II Groups E, F, and G. ATEX Compliant 2813 II 2 G Ex d IIC T6 Gb Process Temperature 75°C. Weatherproof UL Rated Type 4. Meets NEMA 4X (IP66). EC-Type Certificate KEMA 04ATEX2186 X ATEX Standards: EN 60079-0:2009; EN 60079-1:2007 IECEx Certified for Ex d IIC T6 Gb IEC Standards: IEC 60079-0:2007; IEC 60079-1:2007 IECEx Certificate of Conformity: IECEx DEK 11.0095X
  • Switch Type: SPDT or DPDT snap switch.
  • Electrical Rating: See model chart.
  • Electrical Connections: Screw terminal.
  • Conduit Connection: 3/4″ female NPT.
  • Process Connection: 1/2″ female NPT.
  • Mounting Orientation: Within 20° of vertical.
  • Set Point Adjustment: Internal 7/16″ hex nuts.
  • Weight: 3.5 lb (1.6 kg).
  • Deadband: See deadband chart.
  • Compliance: ATEX, CE, CSA, UL. *Options that do not have ATEX.

How to buy DWYER SA1100

Model Description Price
SA1111E-A4-K1 Diaphragm operated pressure switch, adjustable range 10-150 psig, aluminum pressure chamber, Buna-N diaphragm and O-ring, SPDT switch, 1/4″ NPT female connection
$554.30
SA1111E-S5-K2 Diaphragm operated pressure switch, adjustable range 10-150 psig, 316SS pressure chamber, fluorocarbon diaphragm and O-ring, SPDT switch, 1/2″ NPT female connection
$613.65
SA1113E-A4-K1 Diaphragm operated pressure switch, adjustable range 30-500 psig, aluminum pressure chamber, Buna-N diaphragm & O-ring, SPDT switch, 1/4″ NPT female connection
$554.30
SA1113E-S5-K2 Diaphragm operated pressure switch, adjustable range 30-500 psig, 316SS pressure chamber, fluorocarbon diaphragm & O-ring, SPDT switch, 1/2″ NPT female connection
$613.65
SA1112E-S5-K2 Diaphragm operated pressure switch, adjustable range 20-250 psig, 316SS pressure chamber, fluorocarbon diaphragm and O-ring, SPDT switch, 1/2″ NPT female connection
$613.65
SA1112E-A4-K1 Diaphragm operated pressure switch, adjustable range 20-250 psig, aluminum pressure chamber, Buna-N diaphragm and O-ring, SPDT switch, 1/4″ NPT female connection
$554.30
SA1111E-S5-K1 Diaphragm operated pressure switch, adjustable range 10-150 psig, 316SS pressure chamber, fluorocarbon diaphragm and O-ring, SPDT switch, 1/4″ NPT female connection
$599.85
SA1112E-S5-K1 Diaphragm operated pressure switch, adjustable range 20-250 psig, 316SS pressure chamber, fluorocarbon diaphragm and O-ring, SPDT switch, 1/4″ NPT female connection
$599.85
SA1113E-S5-K1 Diaphragm operated pressure switch, adjustable range 30-500 psig, 316SS pressure chamber, fluorocarbon diaphragm and O-ring, SPDT switch, 1/4″ NPT female connection
$599.85

Model Chart DWYER SA1100

SA1100 PRESSURE SWITCH 

     SA111XE-X-X-OPTS   SA1100 PRESSURE SWITCH 
     SA111XHS-X-X-OPTS  SA1100 PRESSURE SWITCH W/ HERM SEAL SWITCH
     SA111XHG-X-X-OPTS  SA1100 PRESSURE SWITCH W/ HERM SEAL GOLD SWITCH
     
          1ST SYMBOL (1ST X) RANGE
             1     10-150 PSIG 
             2     20-250 PSIG
             3     30-500 PSIG
            
          2ND SYMBOL (2ND X) HOUSING MATERIAL AND SEALS
             A4    AL / BUNA
             S4    SS / BUNA
             A5    AL / FL-CARBON
             S5    SS / FL-CARBON
            
          3RD SYMBOL (3RD X) SWITCH AND PROCESS CONNECTION   
             K1     SPDT / 1/4
             K2     SPDT / 1/2
             L1     2SPDT / 1/4
             L2     2STDT / 1/2
          
          OPTIONS (OPT)
             -AT      ATEX APPROVED
             -DRAIN   DRAIN
             -IEC     IECEX APPROVAL
             -ST      STAINLESS TAG
             -PRESET  FACTORY PRESET OF SWITCH

User Guide and Instruction manual for DWYER SA1100

You can request the necessary certificates, documentation, instructions and user manuals for DWYER SA1100 using the special form.

You can buy DWYER SA1100 in UK or Europe at a price starting from 554,3 $ in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email . DWYER SA1100 price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.