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Dwyer Instruments

ExplosionProof Pressure Switch, 340 575 PSIg

product price: $1,842.99
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Key Features

  • Electrical Connections 18 AWG, 18" (460 mm) long.
  • 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
  • Deadband Approximately 10% of range.
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Product Information

Details

Electrical Connections 18 AWG, 18" (460 mm) long.
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
Deadband Approximately 10% of range.
Set Point Adjustment Internal nut.
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.
Conduit Connection 3/4" female NPT.
Electrical Rating 5 A @ 125/250 VAC, 5 A res., 3 A ind. @ 30 VDC. Gold contacts optional.
Switch Type Two SPDT snap switches.
Pressure Limit 1500 psig (103 bar).
Agency Approvals CSA, UL.
Mounting Orientation Any position.
Temperature Limit 275°F (135°C). CSA approved: -20 to 90°C (-4 to 184°F).

Description

Duotect® dual-action explosion-proof pressure switch, 3-40 psig (0.21-2.76 bar) low range, 5-75 psig (0.35-5.17 bar) high range

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