View Full Version : Bleed hole
skyboy6142
21-06-2020, 09:22 PM
Hi friends,
What is bleed hole on expansion valve and what is advantage of expansion valve with bleed hole ?
Thanks.
Brian_UK
22-06-2020, 11:39 AM
The bleed hole allows the pressure to equalise from the high to low pressure side of the valve when the compressor has stopped. It makes the restart of the compressor easier for the motor especially low back pressure compressors.
There is also a special bleed hole to increase system capacity.
See page 12 of this Sporlan technical paper, 10-9.....
http://solutions.parker.com/Sporlanliterature
skyboy6142
23-06-2020, 06:09 AM
The bleed hole allows the pressure to equalise from the high to low pressure side of the valve when the compressor has stopped. It makes the restart of the compressor easier for the motor especially low back pressure compressors.
There is also a special bleed hole to increase system capacity.
See page 12 of this Sporlan technical paper, 10-9.....
http://solutions.parker.com/Sporlanliterature
Thank you so much
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