Low/High Temperatures [Classic 21 Series] 2153B4012
- 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 |
| Application | Low Temperature |
| Actuation | Pneumatic |
| Function | 3/2 Single Pilot |
| Default Position | Normally Closed |
| Return | Spring |
| Thread Type | NPT |
| Inlet Pipe Size | 1/2" |
| Outlet Pipe Size | 1/2" |
| Exhaust Pipe Size | 1/2" |
| Construction | Poppet |
| Mounting | Inline |
| Connection | Hardwired |
| Pilot Type | Internal/External |
| Manual Override | Non-locking |
| Size | 3/8 |
| Cv (1-2) | 2.9 |
| Cv (2-3) | 2.8 |
| Duty Rating | Continuous Duty |
| Power Consumption | 87 VA inrush, 30 VA holding on 50/60 Hz |
| 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 |
| 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 |
| Length | 3.56 in (90 mm) |
| Length (mm) | 90 |
| Width | 3.11 in (79 mm) |
| Width (mm) | 79 |
| Height | 3.71 in (94 mm) |
| Height (mm) | 94 |
| Weight | 1.8 lb (0.8 kg) |
| Weight (kg) | 0.8 |
| Valve Body Material | Cast Aluminum |
| Poppet/Spool Material | Aluminum and Stainless Steel |
| Seal Material | Fluorocarbon |
+
Low/High Temperatures [Classic 21 Series]
2153B4012
Contact Us for a 3D Model
+
Low/High Temperatures [Classic 21 Series]
2153B4012
Contact ROSS India for Ordering Information
+
