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
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
Elastomers (diaphragm, seat disc, o-rings)
- Buna-N (Std.)
- Viton® (Opt.) (Viton is a registered trademark of DuPont Dow Elastomers)
- EPDM (Opt.)
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
The Model 330P is shown on OCV Valve Schematics as:
|EXAMPLE: Shown here on a MODEL 118-2 Surge Anticipation Valve.