PNEUMATIC Differential Pilot Valves
Differential Pilot models are operated with a button bleeder that shifts the spool. The loss of pressure through the button bleeder shifts the internal spool.
| Code | Prefixes | Description | Symbol |
|---|---|---|---|
| D | D, BD ND |
2-position, double differential pilot, friction positioned. Spool stays in shifted position when buttons are released. |
|
| DO | DO, BDO NDO |
2-position, single differential pilot, spring returned spool. Spool returns to position "C" when the button is pressed. |
|
| DY | DY, BDY NDY |
3-position, spring centered. Spool returns to center position when both buttons are closed or open. |
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