Mooney Flowgrid Slam Shut 1” valve Instruction Manual | 9
Copyright 2021 Baker Hughes Company. All rights reserved.
3. Pull the actuator assembly out of the main body.
4. Pull the main shaft assembly out of the actuator block.
5. Use a 5/32” allen wrench to remove the plug screw.
6. Unscrew the reset shaft, and the assembly will then
separate.
7. Inspect and/or Replace the following seals
•
Plug Seal (Re-install dry)
•
Spring Cover O-ring (Re-install with Lubriplate 105)
•
Spring Plate O-ring (Re-install with Lubriplate 105)
•
Shaft O-ring (Re-install with Lubriplate 105
Replacement of Seals in Slam Shut Seat Assembly (and
FlowGrid if applicable)
1. Disconnect the connecting tubing and accessories (if
applicable)
2. Use 13/16” wrench to remove the four cap screws on the top
plate.
3. Remove the parts from the body.
4. Inspect and/or Replace the following seals
•
Body Seals (Qty 2) (Re-install dry)
•
Slam Shut Seat O-ring (Re-install with Lubriplate 105)
•
Diaphragm (if applicable) (Re-install dry)
Replacement of Seals in Equalizer (bleed) Assembly
1. Use a 7/8” wrench to remove the bleed cap and assembly
2. Inspect and/or Replace the following seals
•
Cap o-ring (Re-install with Lubriplate 105)
•
Stem O-ring (Re-install with Lubriplate 105)
•
Orifice o-ring (Re-install with Lubriplate 105)
•
Plug & Stem (Re-install dry)
Note: Replacing the seals in the Overpressure Assembly,
Underpressure Assembly, or Main Shaft Assembly may
be done with the Slam Shut actuator block removed from
the body. The body does not need to be removed from the
pipeline when servicing the Slam Shut or Flowgrid.
