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Instantly add the DF60 Perseus Differential Pressure Switch and 50,000+ more product series to your store or catalog  
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Pyropress DF60 Perseus Differential Pressure Switch

DF60 Perseus Differential Pressure Switch

Brand: Pyropress Engineering Company Limited
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This range of switches features a robust high quality housing with 1 or 2 sealed SPDT microswitches and has been designed for use in environments where explosive gases can be present (e.g. gas fields, oil rigs & chemical plants etc). 

Microswitches can be set for single, dual simultaneous, or dual independently adjustable operation. Environmentally sealed or hermetically sealed microswitch options are available.

One of the benefits of the Perseus range is the separation of the flameproof and adjustment chambers allowing adjustment of the set point with power on and the switch in operation. The housing is available with one or two electrical entries.
Features
  • 316 Stainless steel or black anodised aluminium switchcase to IP66 & IP67 standards
  • Wetted parts NACE MR-01-75 complaint
  • SIL 2 – IEC61508 proven reliability
  • Single or dual microswitches option
  • Setting from 0.4 mbar to 8.0 bar
  • ATEX/IECEx Flameproof version II 2 G Ex db IIC T6...T5 Gb (Tamb -50° to +75° C...+90° C) (with or without resistors)
  • ATEX/IECEx Intrinsically safe version II 1 G Ex ia IIC T6...T2 Ga (Tamb -50° to 78° C...93° C) (without resistors)
  • ATEX/IECEx Intrinsically safe version II 1G Ex ia IIC T5...T2 Ga (Tamb -50° to 72° C...122° C) (with resistors)
  • ATEX/IECEx Intrinsically safe version II 1 D Ex ia IIIC T135° C Da (Tamb -50° to 70° C) (with or without resistors)

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Specifications

Brand

Accuracy

  • ± 1 % at 20° C

Operating Temperature

  • -50° to 150° C (-58° to 302° F)

Set Point - Increasing

  • kPa: 0.04 to 800
  • mbar: 0.4 to 8,000
  • psi: 0.0058 to 116

Set Point - Decreasing

  • kPa: 0.04 to 800
  • mbar: 0.4 to 8,000
  • psi: 0.0058 to 116

Switch Type

  • 1 or 2 x SPDT

Enclosure, Body Material

  • Switchcase & Covers: 316 Stainless Steel
  • Switchcase: Black Anodised Aluminum

Wetted Materials

  • 316 Stainless Steel

Diaphragm Material

  • Nitrile
  • Viton

NPT Connection

  • 1/2” NPT Female
  • 1/4” NPT Female

BSP Connection

  • 1/2” BSPP Female
  • 1/4” BSPP Female

Electrical Connectors

  • 1/2” NPT Adaptor
  • M20 Leave Blank
  • M25 Via Adaptor

Electrical Rating

  • Microswitch Rating: 2 A at 250 Vac or 30 Vdc Inductive
  • Microswitch Rating: 5 A at 250 Vac or 30 Vdc Resistrive

Deadband

  • 0.2 to 400 Mbar G

Ambient Temperature

  • -40° to 85° C (-40° to 185° F)
  • -50° to 125° C (-58° to 257° F) Optional

Storage Temperature

  • -50° to 85° C (-60° to 185° F)

NACE & NIST

  • NACE MR-0175

Approvals & Certifications

  • SIL2
  • ATEX/IECEx

Environmental Protection

  • IP66
  • IP67

Documentation

Data Sheets

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