Vacuum, Low/High Temperatures [Classic 21 Series] 2174B4900W
- Poppet construction for high dirt tolerance
- ROSS vacuum valves have larger orifices, allowing greater flow and easing the transport of air even though there is a small differential between the vacuum within the valve and atmospheric pressure outside the valve
- Can be mounted close to actuator, reducing length of pipe to be pressurized/exhausted on each cycle
- Internal/external pilot supply
- Near zero leakage
Need Help? No Problem!
Customer Service
Technical Service
+1 (416) 251-7677
Need Help? No Problem!
Customer Service
Technical Service
+1 (416) 251-7677
Product Information
| Valve Type | Directional Control |
| Series | 21 |
| Return | Spring |
| Thread Type | NPT |
| Exhaust Pipe Size | 1/2" |
| Construction | Poppet |
| Mounting | Inline |
| Connection | Hardwired |
| Size | 3/8 |
| Cv (2-3) | 2.8 |
| Voltage | 24 VDC |
| Duty Rating | Continuous Duty |
| Power Consumption | 14 watts |
| Media Temperature | -40 to 175 F (-40 to 80 C) |
| Fluid Media | Filtered air |
| Operating Pressure | Vacuum to 150 psig (vacuum to 10 bar) |
| Pilot Supply Minimum | Equal to or greater than inlet pressure |
| Valve Body Material | Aluminum |
| Poppet/Spool Material | Aluminum and Stainless Steel |
| Seal Material | Fluorocarbon |
| Application | Full Vacuum |
| Actuation | Electrical |
| Default Position | Normally Open |
| Pilot Type | Internal/External |
| Manual Override | Non-locking |
| Ambient Temperature | -40 to 120 F (-40 to 50 C) |
| Length | 4.45 in (113 mm) |
| Weight | 3.0 lb (1.4 kg) |
| Inlet Pipe Size | 1/2 |
| Outlet Pipe Size | 1/2 |
| Function | 3/2 Single Solenoid |
| Cv (1-2) | 2.8 |
| Width | 3.59 in (91 mm) |
| Height | 8.10 in (206 mm) |
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Vacuum, Low/High Temperatures [Classic 21 Series]
2174B4900W
Contact Us for a 3D Model
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Vacuum, Low/High Temperatures [Classic 21 Series]
2174B4900W
Contact ROSS Canada for Ordering Information
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