Dwyer H2 Pressure Switch

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Dwyer Instruments

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Rp.52,177,000
Availability:
4 - 6 WEEKS
Product Code:
H2S
Brand:
Dwyer Instruments
Update Terakhir:
07 Jul 2023
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The Dwyer H2 Pressure Switch is designed for sequencing two different actions as pressure of a liquid or gas increases or decreases. The design consists of two concentric pistons operated by a single diaphragm with one pressure chamber. Each piston actuates a separate switch independent of the other. The switches may be adjusted to operate together, at opposite ends of the range or at two intermediate set points. The threaded top is removed to field adjust or service switches without disturbing electrical or pressure connections. The Duotect® switch is explosion-proof and weatherproof. It can be mounted in any position and is not affected by vibration.

  • Explosion-proof and weatherproof housing
  • Pressure ranges up to 1500 psig (103 bar)
  • Two SPDT snap switches
  • 316 SS chamber with FEP diaphragm
  • Independent piston action design
  • UL listed, CSA approved
  • Applications:
  • Mechanical HVAC or process equipment
  • Chemical, petroleum, food and drug processing industries
  • Process and Industrial applications

  • Wetted Materials: 316 SS chamber with FEP diaphragm and Buna-N O-ring standard. Fluoroelastomer or EPDM O-ring optional.
  • Temperature Limit: 275°F (135°C). CSA
  • approved: -20 to 90°C (-4 to 184°F).
  • Pressure Limit: 1500 psig (103 bar).
  • Enclosure Rating: UL listed explosionproof, 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.
  • Switch Type: Two SPDT snap switches.
  • Electrical Rating: 5 A @ 125/250
  • VAC. 5 A res., 3 A ind. @ 30 VDC. Gold contacts optional.
  • Electrical Connections: 18 AWG, 18˝ (460 mm) long.
  • Conduit Connection: 3/4˝ female NPT.
  • Process Connection: 1/4˝ female NPT.
  • Mounting Orientation: Any position.
  • Set Point Adjustment: Internal nut.
  • Weight: 2 lb (.9 kg).
  • Deadband: Approximately 10% of range.
  • Agency Approvals: CSA, UL.

  • (1) H2 Pressure Switch
  • (1) Instruction Manual

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