Price
$753.00 CAD
Stock
21 In Stock

  • Base Model - 403
  • Port Size - 3/8" NPT
  • Port Thread - BSPT (Tapered)
  • Elastomers - Nitrile on Dacron
  • Actuation Adjustment Means - Tamper Proof
  • Exhaust Port - Straight

Specifications

Actuator Type

  • Knob Adjust
  • Tamper-Proof

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

BSP Connection

  • 1/2” BSPP Female
  • 1/2” BSPT Female
  • 3/4” BSPP Female
  • 3/4” BSPT Female
  • 3/8” BSPP Female
  • 3/8” BSPT Female

Elastomers

  • Fluorocarbon (Viton)
  • Nitrile on Dacron

Enclosure, Body Material

  • Aluminum

Environmental Protection

  • Acceptable for use in Zones 1 & 2 for Gas Atmosphere, Groups IIA & IIB & Zones 21 & 22 for Dust Atmospheres

Exhaust Capacity - Relieving Units Only

  • 40 scfm
  • 40 scfm (65 m³/hour) where Downstream Pressure is psig: 5 (bar: 0.35, kPa: 35) Above psig: 20 (bar: 1.5, kPa: 150) Set Point
  • 65.2 m³/hour

Flow Capacity

  • 150 scfm (255 m³/hour)
  • 255 m³/hour

Media

  • Compressed Air
  • Gas

NPT Connection

  • 1/2” NPT Female
  • 3/4” NPT Female
  • 3/8” NPT Female

Pressure Range

  • bar: 0.034 to 2.04
  • bar: 0.068 to 4.08
  • bar: 0.136 to 10.20
  • bar: 0.34 to 27.20
  • bar: 0.35 to 17
  • kPa: 13.6 to 1,020
  • kPa: 3.4 to 204
  • kPa: 3.5 to 1,700
  • kPa: 34 to 2,720
  • kPa: 6.8 to 408
  • psi: 0.5 to 30
  • psig: 0.5 to 250
  • psig: 1 to 60
  • psig: 2 to 150
  • psig: 5 to 400

Relief

  • Relieving

Sensitivity

  • 1/2” WC (1.27 cm)

Supply Pressure - Maximum

  • bar: 17
  • kPa: 1,700
  • psig: 250

Supply Pressure Effect

  • Less than 0.007 bar
  • Less than psi: 0.01 (bar: 0.0007, kPa: 0.7)
  • Less than psig: 0.1 (bar: 0.007, kPa: 0.7)
  • psig: 0.1 (bar: 0.007, kPa: 0.7) for a psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure

Trim Material

  • Brass
  • Zinc-Plated Steel

Vent

  • Straight
  • Tapped Exhaust
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