| VALVE TYPE |
Directional Control |
| SERIES |
21 |
| APPLICATION |
Vacuum |
| ACTUATION |
Pneumatic |
| FUNCTION |
3/2 Single Pilot |
| DEFAULT POSITION |
Normally Closed |
| RETURN |
Spring |
| THREAD TYPE |
NPT |
| INLET PIPE SIZE |
2-1/2 |
| OUTLET PIPE SIZE |
2-1/2 |
| EXHAUST PIPE SIZE |
2-1/2" |
| CONSTRUCTION |
Poppet |
| MOUNTING |
Inline |
| PILOT TYPE |
External |
| MANUAL OVERRIDE |
Not Included |
| SIZE |
2 |
| CV (1-2) |
70.0 |
| CV (2-3) |
71.0 |
| AMBIENT TEMPERATURE |
-40 to 175 F (-40 to 80 C) |
| AMBIENT TEMPERATURE (CELSIUS) |
-40 to 80 |
| MEDIA TEMPERATURE |
-40 to 175 F (-40 to 80 C) |
| MEDIA TEMPERATURE (CELSIUS) |
-40 to 80 |
| FLUID MEDIA |
Filtered air |
| OPERATING PRESSURE |
Vacuum to 150 psig (vacuum to 10 bar) |
| OPERATING PRESSURE (BAR) |
Vacuum to 10 |
| PILOT SUPPLY MINIMUM |
Equal to or greater than inlet pressure |
| LENGTH |
8.62 in (219 mm) |
| LENGTH (MM) |
219 |
| WIDTH |
6.33 in (161 mm) |
| WIDTH (MM) |
161 |
| HEIGHT |
9.46 in (240 mm) |
| HEIGHT (MM) |
240 |
| WEIGHT |
15.3 lb (6.9 kg) |
| WEIGHT (KG) |
6.9 |
| VALVE BODY MATERIAL |
Aluminum |
| POPPET/SPOOL MATERIAL |
Aluminum and Stainless Steel |
| SEAL MATERIAL |
Fluorocarbon |
