McQuay screw compressor NRV how To open

in this video i am showing non return valve of McQuay screw compressor. The purpose of Non return valve in screw compressors To avoid reverse rotation of rotors while shutting down the compressor and pump down purpose
I am Sreejith ,Welcome To HVAC Tech Guide, I Have Been Working as a HVAC Technician Since 2005. In My Long carrier I Worked With Different Kind Of HVAC Systems. In This You Tube Channel I Would Like To Share or Explore My Experience and Thoughts.
This Channel Covers Both HVAC and Electrical Works To Help You Learn HVAC Service Engineering. I wish It Will Be More Useful and Experience To All. So Please Stay Tuned and Follow HVAC Tech Guide For New Updates . Thank you


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