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Pressure Limits For Ball Valves
Nov 01, 2018

The nameplate shows the maximum operating pressure allowed by the ball valve at maximum and minimum operating temperatures.

The operating temperature of other types of seats and seals should be checked by the Ki factory, using a PTFE or RTFE material seat and seal. The nominal pressure level (PN) of the valve indicates the maximum operating pressure of the valve under normal temperature conditions.

(Example: PN4.0, indicating the maximum operating pressure of the operating temperature at -190c~380c (4.0MPa)).

For electrical or pneumatic actuators, refer to their respective instructions.

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