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Thread: Wiredraw damage in TXV
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28-10-2016, 12:52 AM #1
Wiredraw damage in TXV
Hey there
So this is something that I found interesting. This is a picture of a metering plug out of a Sporlan/Parker TXV on a Frick compressor LIOC circuit. I believe the package that this came off of is about 15 years old.
The reason for the r&r is foaming oil and poor oil temperature control. Disassembly showed reason for the misbehaving valve. Included is a picture of what the metering plugs looks like new.
When I first pulled the valve apart I thought that the erosion was so bad that the metering cone was completely gone, but the new part showed that it wasn’t that dramatic
NEW_01.jpg
OLD_01.jpg
OLD_02.jpg
OLD_03.jpg