Low/High Temperatures [Classic 21 Series] 2171B8012W
![](https://ross-admin-global-us-east.s3.amazonaws.com/production/uploads/series/image/757/21_Series_SlC_3-2_md.png)
- 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
Product Information
Valve Type | Directional Control |
Series | 21 |
Default Position | Normally Closed |
Return | Spring |
Thread Type | NPT |
Construction | Poppet |
Mounting | Inline |
Connection | Hardwired |
Manual Override | Non-locking |
Voltage | 24 VDC |
Duty Rating | Continuous Duty |
Power Consumption | 87 VA inrush, 30 VA holding on 50/60 Hz |
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 |
Actuation | Electrical |
Pilot Type | Internal/External |
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 |
Width | 4.09 in (104 mm) |
Width (mm) | 104 |
Size | 1-1/4 |
Function | 2/2 Single Solenoid |
Inlet Pipe Size | 1-1/2" |
Outlet Pipe Size | 1-1/2" |
Length | 6.49 in (165 mm) |
Length (mm) | 165 |
Height | 10.54 in (267 mm) |
Height (mm) | 267 |
Weight | 7.5 lb (3.4 kg) |
Weight (kg) | 3.4 |
Avg Cv | 20.0 |