EXPLOSION ISOLATION VALVE
INSTALLATION & OPERATION MANUAL
January, 2015 Document P/N: E06-017-1 (Rev 2) Page: 7
2.4 GATE POSITION SENSORS
Fike valves in sizes 3" through 24" are designed with fittings to accept optional gate position sensors. This
feature enables the position of the gate to be monitored. Three (3) positions can be detected: full open, full
closed and partial open/closed. The system includes two (2) proximity sensors and an amplifier module. With the
amplifier located in a non-hazardous rated area, the system is classified as intrinsically safe.
The optional kit, part number E30-036, includes two (2) sensors, an amplifier, two (2) threaded adapter bushings
and two (2) locknuts.
2.4.1 INSTALLATION INSTRUCTIONS – GATE SENSOR
Installation is considered intrinsically safe only when the amplifier is installed in a non-hazardous area (refer to
Figure 5).
Step 1: Remove the two (2) 1-¼ NPT pipe plugs from the upper and lower corners of the valve body.
Step 2: Assemble the adapter bushing into the valve (use thread tape on adapter bushing threads).
Step 3: Assemble a locknut to each sensor.
Step 4: With the gate in the fully open position, assemble a sensor into the upper position. Thread the sensor
into the valve body until it contacts the gate. Turn the sensor counterclockwise five (5) turns to provide
clearance.
Step 5: Remove the mufflers from the valve and use compressed air (90 psig max) to fully close the valve.
Step 6: Repeat Step 4 with the gate in the closed position.
Step 7: Connect the sensors to the amplifier per the wiring diagram below (refer to Figure 5).
Step 8: Turn the lower sensor clockwise until the diode on the amplifier in the back of the sensor turns on.
Step 9: Turn the sensor an additional two (2) turns clockwise and secure with the locknut. Use a non
permanent thread locking compound to prevent accidental loosening of the sensor.
Step 10: Use compressed air (90 psig max) to return the gate to the fully open position and repeat Steps 7, 8
and 9 for the upper position. Reinstall the mufflers.
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