Low/High Temperatures [Classic 21 Series] 2173B4012W
![](https://ross-admin-global-us-east.s3.amazonaws.com/production/uploads/series/image/941/21_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 |
Exhaust Pipe Size | 1/2" |
Construction | Poppet |
Mounting | Inline |
Connection | Hardwired |
Manual Override | Non-locking |
Size | 3/8 |
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) |
Pilot Supply Minimum | Equal to or greater than inlet pressure |
Length | 3.56 in (90 mm) |
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) |
Media Temperature | -40 to 175 F (-40 to 80 C) |
Inlet Pipe Size | 1/2" |
Outlet Pipe Size | 1/2" |
Cv (1-2) | 3.0 |
Function | 3/2 Single Solenoid |
Weight | 3.0 lb (1.4 kg) |
Width | 3.03 in (77 mm) |
Cv (2-3) | 5.2 |
Height | 7.34 in (186 mm) |