Price
$187.00 CAD
Stock
50+ In Stock

  • Base Model - 3021
  • Port Size - 1/4" NPT
  • Port Thread - BSPP (Parallel)
  • Elastomers - Fluorocarbon (Viton)
  • Actuation Adjustment Means - Knob Adjustment
  • Relief - Non-Relieving
  • Mounting - Mounting Bracket

Specifications

Actuator Type

  • Knob Adjust
  • Plunger Operated
  • Screwdriver Adjust
  • Tamper-Proof

Ambient Temperature Range

  • -40° to 93° C (-40° to 200° F)

BSP Connection

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

Elastomers

  • Fluorocarbon (Viton)
  • Nitrile on Dacron
  • Silicone

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

  • 2 scfm
  • 2.0 scfm (3.4 m³/hour)
  • 3.4 m³/hour

Flow Capacity

  • 40 scfm
  • 40 scfm (68 m³/hour) at psig: 100 (bar: 7, kPa: 700) Supply & psig: 20 (bar: 1.5, kPa: 150) Set Point
  • 68 m³/hour

Media

  • Compressed Air
  • Gas

Mounting

  • None

NPT Connection

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

Output Options

  • None

Pressure Range

  • bar: 0 to 1.36
  • bar: 0 to 7
  • bar: 0.034 to 2.04
  • bar: 0.068 to 4.08
  • bar: 0.136 to 10.20
  • kPa: 0 to 137
  • kPa: 0 to 700
  • kPa: 13.6 to 1,020
  • kPa: 3.4 to 204
  • kPa: 6.8 to 408
  • psi: 0.5 to 30
  • psig: 0 to 100
  • psig: 0 to 20
  • psig: 1 to 60
  • psig: 2 to 150

Relief

  • Low Bleed
  • Low Flow
  • Non-Relieving
  • Relieving

Sensitivity

  • 1/4” WC (0.64 cm)

Supply Pressure - Maximum

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

Supply Pressure Effect

  • Less than 0.014 bar
  • Less than psi: 0.002 (bar: 0.00014, kPa: 0.14)
  • Less than psig: 0.2 (bar: 0.014, kPa: 1.4)
  • Less than psig: 0.2 (bar: 0.014, kPa: 1.4) for psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure

Trim Material

  • Brass

Vent

  • Straight
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