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Category Archives: Instrument Engineer

Side Mounted vs Top Mounted Level Instrument

What is the consideration on deciding whether level instrument (transmitter or switch) to be top mounted type or side mounted with external cage type? Top mounted means the sensor or measuring element of level instrument is inserted into the vessel … Read More

Instrument Designer, Instrument Engineer | |

Instrument Cable – Fire Resistant vs Flame Retardant

What is the difference between Fire resistant cable and  Flame retardant cable? Please also explain the typical application for both of them. Fire resistant cable is cable which will continue to operate normally in the presence of prolonged fire for … Read More

Instrument Designer, Instrument Engineer | |

Difference between Shutdown Valve (SDV) and Emergency Shutdown Valve (ESDV)

The construction and accessories of Shutdown Valve (SDV) and Emergency Shutdown Valve (ESDV) are similar. What is the basis to distinguish their name? Their name is distinguished only from their services. Shutdown Valve referred to actuated valve which is closed … Read More

Instrument Engineer | |

PSV Types Selection

Mention three types of Pressure Safety Relief Valve (PSV) and explain how to select the right type for specific application? Three types of Pressure Safety Relief Valve (PSV) are conventional, balanced bellows and pilot operated. Conventional safety relief valves can … Read More

Instrument Engineer | |
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