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- Ross Asia No. 2151B4001/2151B4002/2151B4011/2151B4012 Inline poppet valve with extended temperature range
Japan, Ross Asia
Ross Asia No. 2151B4001/2151B4002/2151B4011/2151B4012 Inline poppet valve with extended temperature range
Made in Japan
Manufacturer : Ross Asia
Model : No.2151B4001/2151B4002/2151B4011/2151B4012
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
| 2151B4001 | 2151B4002 | 2151B4011 | 2151B4012 | |
| explanation | 21 Series High Temperature 2/2 Single Pilot Valve, Normally Closed, 1/2″ NPT (In-Out) | 21 Series Cryogenic 2/2 Single Pilot Valve, Normally Closed, 1/2″ NPT (In-Out) | 21 Series High Temperature 2/2 Single Pilot Valve, Normally Closed, 1/2″ NPT (In-Out) | 21 Series Cryogenic 2/2 Single Pilot Valve, Normally Closed, 1/2″ NPT (In-Out) |
| Valve type | direction control | direction control | direction control | direction control |
| series | 21 | 21 | 21 | 21 |
| application | high temperature | low temperature | high temperature | low temperature |
| actuation | air pressure | air pressure | air pressure | air pressure |
| function | 2/2 single pilot | 2/2 single pilot | 2/2 single pilot | 2/2 single pilot |
| Initial position | normally closed | normally closed | normally closed | normally closed |
| return | spring | spring | spring | spring |
| Thread type | NPT | NPT | NPT | NPT |
| construction | poppet | poppet | poppet | poppet |
| attachment | in line | in line | in line | in line |
| pilot type | external | external | external | external |
| Duty class | continuous work | continuous work | continuous work | continuous work |
| Ambient temperature | 0 to 250°F (-17 to 122°C) | -40 to 120F (-40 to 50C) | 0 to 250°F (-17 to 122°C) | -40 to 120F (-40 to 50C) |
| medium temperature | 0 to 300F (-17 to 150C) | -40 to 175F (-40 to 80C) | 0 to 300F (-17 to 150C) | -40 to 175F (-40 to 80C) |
| fluid medium | filtered air | filtered air | filtered air | filtered air |
| working pressure | 30-150 psig (2-10 bar) | 30-150 psig (2-10 bar) | 30-150 psig (2-10 bar) | 30-150 psig (2-10 bar) |
| Minimum pilot supply | above inlet pressure | above inlet pressure | above inlet pressure | above inlet pressure |
| width | 3.11 inches (79mm) | 3.11 inches (79mm) | 3.11 inches (79mm) | 3.11 inches (79mm) |
| valve body material | cast aluminum | cast aluminum | cast aluminum | cast aluminum |
| Poppet/spool material | aluminum and stainless steel | aluminum and stainless steel | aluminum and stainless steel | aluminum and stainless steel |
| Seal material | Fluorocarbon | Fluorocarbon | Fluorocarbon | Fluorocarbon |
| size | 3/4 | 3/4 | 3/8 | 3/8 |
| length | 4.56 inches (116mm) | 4.56 inches (116mm) | 3.56 inches (90mm) | 3.56 inches (90mm) |
| height | 4.42 inches (112mm) | 4.42 inches (112mm) | 3.71 inches (94mm) | 3.71 inches (94mm) |
| weight | 4.2 lbs (2.0 kg) | 4.2 lbs (2.0 kg) | 1.8 lbs (0.8 kg) | 1.8 lbs (0.8 kg) |
| inlet pipe size | 1/2″ | 1/2″ | 1/2″ | 1/2″ |
| outlet pipe size | 1/2″ | 1/2″ | 1/2″ | 1/2″ |
| average resume | 7.7 | 6.5 | 4 | 3.5 |
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