When describing allowable leakage, the standard refers to ".01% of rated valve capacity". Rated valve capacity is defined as "the quantity of test fluid that would pass through the valve at rated travel under the stated pressure conditions as defined by the appropriate equations and manufacturers ra

I'm looking for a miniature (has to fit into an enclosure of size 90x35x15mm or 3.54x1.38x0.59in) vacuum pump that should generate a vacuum of 200mBar.

Shutdown Valve (SDV) are used for isolation of process system in case of emergency. i) Should a preventive measure (PM) apply on SDV ?

I know selecting the valve material for a specific application is not easy but are there any literature that I can work on?

How do I make a closed cell foam (rigid) to use as a float to operate a level control valve (diesel fuel)