14 Return to Table of Contents V20.1
✓ Standard D03 interface
✓ SAE #4 O-ring ports for external
access to X & Y
✓ Removable orifice plug options
✓ Ships standard as plug option #1
Applications
Dump Valve or ON/OFF valve
Can be used as a dump valve
by connecting X to the B port
(side of logic valve) &
connecting Y to drain. The
diagrams to the right show the
two different plug options.
Plug option #1 will allow the
valve to dump in the de-
energized state, & Plug option
#2 will allow the valve to
dump in the energized state.
Note: If port A is connected to a working
port, then connecting X to the B port, as
shown above, does not prevent pressure at A
from overcoming the forces acting to keep
the valve closed. Flow could occur from A to
B. To prevent this, use a separate pilot
pressure for X.