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yes, a gate valve is designed to operate in the fully opened or fully closed positions,globe and ball valves can be used to throttle flow.

Isolation valves are used for diverting process media, facilitating maintenance, equipment removal and shutdown. The operation, application and construction of gate, globe, piston and diaphragm valves are studied in this tutorial.

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What is the difference between a service and isolation valve?

What is the difference between a service & isolation valve? Service & Isolation valves are an essential part of a bathroom suit. Both valves are available in a straight or bent form and can come rigid or flexible on a short pipe. In the UK, the fittings come in a 15 or 22mm size and varies from country to country. Remember to place a fibre washer in the service valve!


Where should a service valve be located to isolate the hot water supply from the hot water storage vessel to the taps is it the primary return or primary flow or cold feed or open vent?

The isolation valve should (must) be placed on the cold water side (and/or the return side), entering the water heater. Placing the isolation valve on the hot or outlet side of the water heater has the potential of creating a bomb.


Can y strainer and a butterfly valve be assembled flange to flange?

No, U cnnot accomodate it without pipe sppol, because of isolation.


What is the application of boiler stop valve?

Stop Boiler Valve (or Crown Valve) is installed on an outlet line of a boiler. It's purpose is isolation of a boiler from a downstream steam line. Its position may be either open or close, it cannot be used for throttling of steam.


What is the different between Production Master Valve and Production Wing Valve on the wellhead of offshore oil rig?

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