Japan, Ross Asia
Ross Asia No. 2152B3001/2152B3002 Inline poppet valve with extended temperature range

Made in Japan
 Manufacturer : Ross Asia
 Model : No.2152B3001/2152B3002
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 High Temperature 2/2 Single Pilot Valve, Normally Open, 3/8″ NPT (In-Out) | 21 Series Cryogenic 2/2 Single Pilot Valve, Normally Open, 3/8″ NPT (In-Out) | 
| Valve type | direction control | direction control | 
| series | 21 | 21 | 
| application | high temperature | low temperature | 
| actuation | air pressure | air pressure | 
| function | 2/2 single pilot | 2/2 single pilot | 
| return | spring | spring | 
| Thread type | NPT | NPT | 
| construction | poppet | poppet | 
| attachment | in line | in line | 
| pilot type | external | external | 
| size | 3/8 | 3/8 | 
| Duty class | continuous work | continuous work | 
| Ambient temperature | 0 to 250°F (-17 to 122°C) | -40 to 120F (-40 to 50C) | 
| medium temperature | 0 to 300F (-17 to 150°C) | -40 to 175F (-40 to 80C) | 
| fluid medium | filtered air | filtered air | 
| working pressure | 30-150 psig (2-10 bar) | 30-150 psig (2-10 bar) | 
| Minimum pilot supply | above inlet pressure | above inlet pressure | 
| length | 3.56 inches (90mm) | 3.56 inches (90mm) | 
| width | 3.11 inches (79mm) | 3.11 inches (79mm) | 
| height | 3.71 inches (94mm) | 3.71 inches (94mm) | 
| weight | 1.8 lbs (0.8 kg) | 1.8 lbs (0.8 kg) | 
| valve body material | cast aluminum | cast aluminum | 
| Poppet/spool material | aluminum and stainless steel | aluminum and stainless steel | 
| Seal material | Fluorocarbon | Fluorocarbon | 
| Initial position | normally open | normally open | 
| inlet pipe size | 3/8″ | 3/8″ | 
| outlet pipe size | 3/8″ | 3/8″ | 
| average resume | 3.8 | 3.3 | 












