This is an HVAC conceptual video about the "Double Regulating Valve - DRV" regarding the HVAC system valves which are commonly used in chilled/hot water loops at AHUs and FCUs with accessories. This video is in the Urdu/Hindi language. It is basic learning detailed information for new or fresh engineers or technical field persons. It is also important for HVAC / MEP technical staff to leaning points of view. Here sharing my experience and knowledge that will be helpful to learn & grow for Engineers & Technical staff. If you found anything which is inappropriate then convey it in the comments for my information and rectification in the future.

I have explained the following in this video:

1. What is a Double Regulating Valve?
2. Types of the Double Regulating Valve.
3. Application of the Double Regulating Valve.
4. Function of the Double Regulating Valve.
5. Setting of the Double Regulating Valve, etc.

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