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View Full Version : Swivel couple NPT M TO F 1/2 " leaking







ed00s
15-09-2016, 07:00 PM
Hi my mate braze pipe with castel relief valve set and damage swivel coupler.
I try too lok in York ( chiller was from york) and climate center, Dean and wood and hrp. No one know what is that lol I see that few time in refrigeration systems and chillers. I try contact to castel but they not answer to me and don't know uk dealer .
Thanks for any help.

chemi-cool
15-09-2016, 08:26 PM
this swivel coupler is for use with hydraulic systems. the inside angle is usually 37 degrees instead of 45 that use in ac.
You will need to tighten it real hard to stop the leak.
who ever put it there, used it to reduce diameter for the relief valve.

HVACRsaurus
16-09-2016, 12:48 AM
Hi Mate,

Go to a Hydraulic Supplies mob (Pirtek?)

Here it is known as an "AAM" fitting

Happy tinkering!