Account

21 Series

2156B3002

 

 

  • ¼” to 1 ½” Port Sizes
  • 2, 3 or 4-way valves
  • High Temperature and Low Temperature Applications
  • Readily Adaptable to Vacuum Service
  • Extreme Temperature Range Options including up to 300° F (150° C) for pressure controlled models and down to -40° F (-40° C) with Buna-N Seals

Need Help? No Problem!

Customer Service
+1 (416) 251-7677

Technical Service
+1 (416) 251-7677

Need Help? No Problem!

Customer Service
+1 (416) 251-7677

Technical Service
+1 (416) 251-7677


Product Information

Description 21 Series Low Temp 4/2 Single Pilot Valve, Normally Open, 3/8" NPT (In-Out), 1/2"NPT (Exhaust)
Valve Type Directional Control
Series 21
Actuation Pneumatic
Return Spring
Thread Type NPT
Exhaust Pipe Size 1/2"
Construction Poppet
Mounting Inline
Pilot Type External
Size 3/8
Duty Rating Continuous Duty
Fluid Media Filtered air
Operating Pressure 30 to 150 psig (2 to 10 bar)
Operating Pressure (bar) 2 to 10
Pilot Supply Minimum Equal to or greater than inlet pressure
Valve Body Material Cast Aluminum
Poppet/Spool Material Aluminum and Stainless Steel
Seal Material Fluorocarbon
Application Low Temperature
Default Position Normally Open
Inlet Pipe Size 3/8"
Outlet Pipe Size 3/8"
Cv (1-4) 2.9
Cv (4-3) 4.2
Ambient Temperature -40 to 120 F (-40 to 50 C)
Ambient Temperature (Celsius) -40 to 50
Media Temperature -40 to 175 F (-40 to 80 C)
Media Temperature (Celsius) -40 to 80
Function 4/2 Single Pilot
Width 3.91 in (99 mm)
Width (mm) 99
Length 3.91 in (97 mm)
Length (mm) 97
Height 3.96 in (101 mm)
Height (mm) 101
Weight 3.0 lb (1.4 kg)
Weight (kg) 1.4
Cv (1-2) 2.9
Cv (2-3) 4.2
Weight 3.0 lbs (1.36 kg)
View Our Terms & Conditions | Cautions & Warnings | Data Privacy Copyright © 2022 ROSS Canada. All Rights Reserved.