Jordan Valve Mark HPX and HPAX Series Globe & Angle Style Панель управления User Manual

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Figure 2: Mark HPX and HPAX Series Packing Arrangements

Replacing Packing

Prior to beginning any maintenance, it is important to

isolate the valve from the line pressure, and to release

all pressure from the valve body. Disconnect all operat-

ing lines to the actuator, including air pressure, electri-

cal power or control signal lines. The process pressure

should be released both upstream and downstream of

the valve. Drain the process fluid from both sides of the

valve.

Employ lock-out procedures to ensure the safety of per-

sonnel and equipment during valve service.

Note: Extreme caution must be used during disas-
sembly. Nicks and scratches will affect the ability to
seal the valve in the future.

Remove the cap screws in the stem connector

and separate the two halves.

Exhaust any actuator pressure and disconnect

the actuator supply line and any leakoff piping.

Remove the actuator from the bonnet (key 6)

by removing the yoke lock nut (key 15) and

then remove the actuator from the bonnet.

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