Installation, Operation and Maintenance Manual
Butterfly Valves Type 75, 75D Pneumatic Actuated Type TW 13
<2> For a pressure reducing valve with a solenoid valve and a pressure reducing valve with a filter.
- Do not remove a dust-proof cap provided to piping port before piping work starts.
- Avoid excessive tightening. (The threaded area of a pipe can be damaged.)
- Steel pipes must always be of the plated.
- Before installing an actuator in pipeline, flash the inside of pipeline completely.
- Do not apply a sealant excessively lest it fall off in the pipeline when an actuator is piped.
- Threaded area of a pipe must be free from the sharp edges and burr.
- Open the drain periodically in order to exhaust the deposit.
- The equipment must be used at a pressure below the maximum operating pressure specified for
the product.
Spanner wrench Seal tape (If seal tape isn’t used, leakage may be caused)
Steel pipe or tube for piping Joint for steel pipe or tube
1) Wind a seal tape onto the male screw of the joint with a
blank about 3mm (about 2 threads) left at the end.
2) Screw the joint in the piping female screw of the
actuator by hand to the full.
3) Screw the joint one turn with a spanner wrench.
*Avoid excessive tightening. (The valve can be damaged.)
4) Mount a steel pipe or a tube.
Necessary items
Solenoid valve, Pressure reducing valve with filter
Solenoid valve
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