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Dwyer Instruments

ExplosionProof Pressure Switch, 25250 30400 PSIg

product price: $1,806.99
/ea
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Key Features

  • Process Connection 1/4" female NPT.
  • Wetted Materials 316 SS chamber with FEP diaphragm and Buna-N O-ring standard. Fluoroelastomer or EPDM O-ring optional.
  • Features Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation; UL listed, CSA approved to support rigorous process applications and regulations; Independent piston action design for either gas or liquid allows switches to active together or independently based on settings; Mounting in any position and not affected by vibration provides reliable switching for equipment
  • Electrical Connections 18 AWG, 18" (460 mm) long.
  • Conduit Connection 3/4" female NPT.
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Product Information

Details

Process Connection 1/4" female NPT.
Wetted Materials 316 SS chamber with FEP diaphragm and Buna-N O-ring standard. Fluoroelastomer or EPDM O-ring optional.
Features Explosion-proof and weatherproof housing provides device protection for outdoor use or harsh environment operation; UL listed, CSA approved to support rigorous process applications and regulations; Independent piston action design for either gas or liquid allows switches to active together or independently based on settings; Mounting in any position and not affected by vibration provides reliable switching for equipment
Electrical Connections 18 AWG, 18" (460 mm) long.
Conduit Connection 3/4" female NPT.
Switch Type Two SPDT snap switches.
Pressure Limit 1500 psig (103 bar).
Set Point Adjustment Internal nut.
Agency Approvals CSA, UL.
Mounting Orientation Any position.
Enclosure Rating UL listed explosion-proof, Class I, Groups B, C, and D. Class II Groups E, F, and G. Meets NEMA 4X (IP66). CSA optional. Class I, Groups B, C & D. Class II, Groups E, F, & G -20°C ≤ Tamb ≤ 75°C T6 [optional -20°C ≤ Tamb ≤ 40°C T5] Type 4.
Deadband Approximately 10% of range.
Electrical Rating 5 A @ 125/250 VAC, 5 A res., 3 A ind. @ 30 VDC. Gold contacts optional.
Temperature Limit 275°F (135°C). CSA approved: -20 to 90°C (-4 to 184°F).

Description

Duotect® dual-action explosion-proof pressure switch, 25-250 psig (1.72-17.2 bar) low range, 30-400 psig (2.07-27.6 bar) high range

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