PF261 Titan Flush Diaphragm Medium Pressure Switch

Brand: Pyropress Engineering Company Limited
Pyropress Medium Pressure Switch, PF261 Titan Flush Diaphragm
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PF261 Titan Flush Diaphragm Medium Pressure Switch

Brand: Pyropress Engineering Company Limited
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This range incorporates a flush diaphragm and is suitable for settings up to 32 bar. 

It has been designed for use on processes involving mediums of a high viscosity level or containing suspended solids which would otherwise clog conventional recessed diaphragm models. 

Resistors can be incorporated for ‘end of line’ and short circuit monitoring.
Features
  • 316 stainless steel or black anodised aluminium switchcase to IP66 standards
  • Internal adjustment scale
  • Settings from 0.1 to 32 bar
  • Single or dual microswitch option
  • Wetted parts NACE MR-01-75 compliant
  • SIL2 - IEC61508 proven reliability
  • ATEX/IECEx Flameproof version CE II2G Exd IIB + H2 T6...T2 Gb Ta -60° to 75° C...90° C
  • ATEX/IECEx Intrinsically safe version CE II1G Exia IIC T6...T2 Ga Ta -50° to 78° C...128° C

Specifications

Brand

Accuracy

  • ± 1 % at 20° C

Switch Type

  • 1 or 2 x SPDT

Mircoswitch Rating

  • 2 A at 250 Vac Inductive
  • 3 A at 30 Vdc Inductive
  • 5 A at 250 Vac / 30 Vdc Resistrive

Electrical Connectors

  • 1/2” NPT Straight
  • M20 Straight/Angled
  • M25 Straight

Set Point - Increasing

  • barg: 0.1 to 32
  • kPa: 10 to 3,200
  • psig: 2 to 460

Set Point - Decreasing

  • barg: 0.1 to 32
  • kPa: 10 to 3,200
  • psig: 2 to 460

Flange Size - 1/12” (DN 2)

  • 1/12” (DN 2) - 150#
  • 1/12” (DN 2) - 300#

Flange Size - 2” (DN 50)

  • 2” (DN 50) - PN 40

Enclosure, Body Material

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

Diaphragm Material

  • Nitrile
  • Viton

Deadband

  • < 0.35 to < 3.2 barg

Environmental Protection

  • IP66

Operating Temperature

  • -40° to 150° C (-40° to 302° F)

Maximum System Pressure

  • psig: 580.2 (kPag: 4,000, barg: 40)

NACE & NIST

  • NACE MR-0175

Approvals & Certifications

  • SIL 2
  • ATEX/IECEx

Ambient Temperature

  • -50° to 85° C (-58° to 185° F)

Storage Temperature

  • -60° to 85° C (-76° to 185° F)

Documentation

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