| 
 Description 
 | 
 Model/CAD 
 | 
| 
 Relay valve 
 | 
 VR4151,4152  
 | 
| 
 Shuttle valve 
 | 
 VR1210,1220,VR1210F,VR1220F  
 | 
| 
 AND valve 
 | 
- VR1211F 
 
  | 
| 
 Time delay  valve 
 | 
- VR2110 
 
 Indicator 
  | 
|   | 
 VR3100,3110  
 | 
| 
 Pneumatic-electric  relay 
 | 
 VR3200,3201  
 | 
| 
 Features 
 | 
- Air transmitters used for a variety of All Air System
 
 
 |