Japan, Ross Asia
Ross Asia No.2151B2002(21 series) Inline poppet valve with extended temperature range

Made in Japan
Manufacturer : Ross Asia
Model : No.2151B2002(21series)
Features
- 1/4″ to 1 1/2″ port sizes
- 2, 3, or 4-way valve
- Hot and cold applications
- Easily adapted for vacuum service
- Extreme temperature range options up to 300°F (150°C) on pressure control models Down to -40°F (-40°C) with Buna-N seals
Specifications
| Explanation | 21 Series Cryogenic 2/2 Single Pilot Valve, Normally Closed, 1/4″ NPT (In-Out) |
| Valve type | Direction control |
| Series | 21 |
| Actuation | Air pressure |
| Function | 2/2 Single pilot |
| Initial position | Normally closed |
| Return | Spring |
| Thread type | NPT |
| Inlet pipe size | 1/4″ |
| Outlet pipe size | 1/4″ |
| Construction | Poppet |
| Attachment | In line |
| Pilot type | External |
| Size | 03-Aug |
| Average resume | 2.3 |
| Duty class | Continuous work |
| Fluid medium | Filtered air |
| Working pressure | 30-150 psig (2-10 bar) |
| Minimum pilot supply | Above inlet pressure |
| Length | 3.56 inches (90mm) |
| Width | 3.11 inches (79mm) |
| Height | 3.71 inches (94mm) |
| Weight | 1.8 lbs (0.8 kg) |
| Valve body material | Cast aluminum |
| Poppet/spool material | Aluminum and stainless steel |
| Seal material | Fluorocarbon |
| Application | Low temperature |
| Ambient temperature | -40 to 120F (-40 to 50C) |
| Medium temperature | -40 to 175F (-40 to 80C) |











