Accessories & Parts
330P 3-Way Auxiliary Pilot
The 330P is an auxiliary pilot operated by a smaller ported control such as a solenoid pilot. Its purpose is to provide accelerated opening and closing action of the main valve. It is typically installed with its Inlet port connected to main valve inlet, its Exhaust port connected to main valve outlet, and its Common port connected to the main valve cover (bonnet). The pilot is shifted by the presence or absence of pressure on its diaphragm. It is used for used for on/off operation of the main valve.
-
Three port, two position, hydraulically operated
-
1/2″ Ports
-
All parts replaceable while mounted on valve
-
Rubber to metal seat
-
Bronze or stainless steel construction
MODEL 330-P OPERATION MATRIX
MODEL 330-P MATRIX
MATERIALS
Bronze
Stainless Steel
Elastomers (diaphragm, seat disc, o-rings)
- Buna-N (Std.)
- Viton® (Opt.) (Viton is a registered trademark of DuPont Dow Elastomers)
- EPDM (Opt.)
MAINTENANCE
Rubber components are typically the only parts that may require periodic replacement. These are available in kits consisting of the diaphragm, the seat disc and all O-rings.
- Buna-N Kit-Part # 930003
- Viton® Kit-Part #930103
- EPDM Kit-Part # 930403
SCHEMATIC SYMBOL
The Model 330P is shown on OCV Valve Schematics as: 
 |
| EXAMPLE: Shown here on a MODEL 118-2 Surge Anticipation Valve. |