Account

21 Series

2156B6011

 

 

  • 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 High Temp 4/2 Single Pilot Valve, Normally Open, 1" NPT (In-Out), 1"NPT (Exhaust)
Valve Type Directional Control
Series 21
Application High Temperature
Actuation Pneumatic
Return Spring
Thread Type NPT
Construction Poppet
Mounting Inline
Pilot Type External
Duty Rating Continuous Duty
Ambient Temperature 0 to 250 F (-17 to 122 C)
Ambient Temperature (Celsius) -17 to 122
Media Temperature 0 to 300 F (-17 to 150 C)
Media Temperature (Celsius) -17 to 150
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
Default Position Normally Open
Exhaust Pipe Size 1"
Size 3/4
Function 4/2 Single Pilot
Width 4.63 in (118 mm)
Width (mm) 118
Inlet Pipe Size 1"
Outlet Pipe Size 1"
Length 5.15 in (131 mm)
Length (mm) 131
Height 5.78 in (147 mm)
Height (mm) 147
Weight 5.8 lb (2.6 kg)
Weight (kg) 2.6
Cv (1-4) 7.8
Cv (4-3) 26.0
Cv (1-2) 7.8
Cv (2-3) 26.0
Weight 5.8 lbs (2.63 kg)
View Our Terms & Conditions | Cautions & Warnings | Data Privacy Copyright © 2022 ROSS Canada. All Rights Reserved.