Pressure Sustaining Pilot Valve Model #3PB
This is a direct acting valve, actuated by a pressure responsive diaphragm, which tends to reach equilibrium with the set spring force. When used in a pressure relief/sustaining circuit, the pilot modulates open as upstream pressure rises above set point.
 
    Product Features & Benefits
    
    
                                
    
    
        
- Internal or external pressure sensing
 - Differential pressure sensing
 - Direct pressure gauge installation
 
    Typical Product Applications
    
    
                                
    
    
        
    
- Pressure relief/sustaining valve sizes 11/2-4” (Standard model #3PB).
 - Differential Pressure sustaining valve sizes 11/2-4” (Modified to differential sensing #3PB-D)