3W EXTERNAL PILOT & INTERNAL DRAIN |
2W NORMALLY CLOSED - EXTERNAL PILOT & DRAIN |
3W INTERNAL PILOT & EXTERNAL DRAIN |
2W NORMALLY OPEN - EXTERNAL PILOT & DRAIN |
2W NORMALLY CLOSED - EXTERNAL PILOT & INTERNAL DRAIN |
3W INTERNAL PILOT & DRAIN |
2W NORMALLY CLOSED - EXTERNAL PILOT |
2W NORMALLY CLOSED - EXTERNAL PILOT - REVERSE FREE FLOW |