Images are representations only.
Price
$322.00
CAD
Stock
100+ In Stock
- Base Model - 1421
- Port Size - 1/4" NPT
- Port Thread - NPT
- Elastomers - Nitrile on Dacron
- Actuation Adjustment Means - Tamper Proof
- Relief - Relieving
- Exhaust Port - Tapped Exhaust
Specifications
Actuator Type
- Knob Adjust
- Tamper-Proof
Ambient Temperature Range
- -40° to 93° C (-40° to 200° F)
BSP Connection
- 1/2” BSPT Female
- 1/4” BSPT 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
- 5.5 scfm
- 5.5 scfm (9.35 m³/hour)
- 9.4 m³/hour
Flow Capacity
- 40 scfm
- 40 scfm (68 m³/hour) psig: 100 (bar: 7, kPa: 700) Supply, psig: 20 (bar: 1.5, kPa: 150) Set Point
- 68 m³/hour
Mounting
- None
NPT Connection
- 1/2” NPT Female
- 1/4” NPT Female
- 3/8” NPT Female
Pressure Range
- bar: -1.2 to 0.7
- kPa: -120 to 700
- psig: -18 to 100
Relief
- Non-Relieving
- Relieving
Sensitivity
- Less than 1/2” WC (1.27 cm)
Signal or Output Pressure - Maximum
- bar: 10
- kPa: 1,000
- psig: 150
Supply Pressure - Maximum
- bar: 17
- kPa: 1,700
- psig: 250
Supply Pressure Effect
- psig: 0.1 (bar: 0.007, kPa: 0.7) for a psig: 100 (bar: 7, kPa: 700) Change in Supply Pressure
Trim Material
- Brass
- Stainless Steel
- Zinc-Plated Steel
Vent
- Straight
- Tapped Exhaust
