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Calibration

Calibration is an action of comparing instrument output with that of produced by referenced standard instrument to determine the level of instrument accuracy. The indication produced by standard instrument is a true value therefore standard instrument shall have a better … Read More

Glossary C |

COEFFICIENT OF DISCHARGE (Kd)

The ratio of the mass flow rate in an actual pressure safety valve to that of an ideal nozzle. It is used in calculation for determining the flow through a pressure relief device or size of the selected orifice. Coeffient … Read More

Glossary C | |

Chattering (Chatter)

Unstable operation of pressure relief valve due to excessive built-up back pressure which might occur in oversized pressure safety valve. In this condition the pressure relief valve disc moves reciprocally and contacts with the seat during cycling in which condition … Read More

Glossary C | |

Cable Gland

Cable gland is a cable fitting used for cable penetration into the equipment and make secure connection between cable and the equipment. Cable gland also provides several functions in cable installation as follows: As a cable strain-relief To seal the … Read More

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