Three Piece High Pressure Ball Valves
–
H25 Valves Series
Three Piece High Pressure Ball Valves
–
H25 Valves Series
12
8.
Carry out an operating check with the air pressure
connected to port A, in the case of a spring-return
actuator, or to port B for a double-acting actuator.
Ensure that opening and closing of the valve is complete,
i.e. the ball and valve ports are correctly aligned when the
valve is open. If the valve opening is not complete, align
the ball port position by turning the actuator adjustment
screws. New actuator adjustment screws are locked in
place
by using Loctite221, any change of screws position, must
be repeated with renewal of the glue over the screws
thread.
9.
Tighten all bracket bolts with suitable spanner.
10.
Hold the adaptor and lift it up and down (up to 1 mm
recess), make sure no tension exerted on the valve
stem by the adaptor.
11.
Connect the air hose or solenoid valve to the actuator.
Warning
–
Moving parts can cause serious damage to
employees. Remove hands and tools from the
bracket area and from the valve port area.
12.
Pressurize the actuator (port A) with air pressure
adjusted to the actuator spring configuration.
13.
Inspect valve and actuator quarter turn free
movement.
14.
Depressurize the actuator and inspect safe return to
start position.
