Figure 5-1. Flow Control Valve "Off" No Flow - Wayne Dresser Vista 1 Series Service Manual

5.2. TWO STAGE SOLENOID VALVE (NON-BLENDERS ONLY), continued
FIGURE 5-1. FLOW CONTROL VALVE "OFF" NO FLOW. Flow control valve "Off" or no flow occurs when
the inlet to the valve is charged, but there is no flow required from the particular valve.
32
Part No. 920160 Rev A
4
9
8
1
Indicates High Pressure
LEGEND
1. Actuator
2. Passageway from inlet chamber to outer chamber
3. Passageway to the actuator inlet from the outer chamber
4. Actuator outlet
5. Diaphragm material
6. Cover
7. Body
8. Slow flow poppet
9. Full flow poppet
10. Diaphragm return spring
OUTLET
A
INLET
A. Inlet chamber
B. Outer chamber
7
10
3
2
A
B
6
5
February 1997