Please help - What are these fittings???
Please help - What are these fittings???
(OP)
I have come across these fittings on a buttermilk plant in a bakery in Ireland and have never seen them before.
http://i52.tinypic.com/14kw1vn.jpg
My first thought is how are they connected (glue, interferance fit, crimped etc???), what sort of pressure they can maintain and also their hygenic aspect, which I think is non existent.
Many thanks if anyone can help me.
http://i52.tinypic.com/14kw1vn.jpg
My first thought is how are they connected (glue, interferance fit, crimped etc???), what sort of pressure they can maintain and also their hygenic aspect, which I think is non existent.
Many thanks if anyone can help me.





RE: Please help - What are these fittings???
I am just imagining that there is a sealing ring on each side of the pipe connections in the coupling against leakage. If the system is working without leak and axial displacement, there is no pressure in the system unless there is something keeping the coupling and pipes together. This could be threads, special metal putty for bonding or something else in case the pipe pressurised. It is difficult to say without opening the joint.
Or the pipes can take the axial load on each ends by some kind of pipe supports. Who knows?
Regards,
Ibrahim Demir
RE: Please help - What are these fittings???
Mike Halloran
Pembroke Pines, FL, USA
RE: Please help - What are these fittings???
Made by an Irish company called Dairy Tube Engineering.
The female pushes into the male, inside which is a special rubber seal (sat inderneath the raised out part). A Loctite 638 retaining compound is smeared on the end of the female before insertion which serves two purposes,
1. to help the inserted pipe slide past the rubber seal
2. to help hold the assembly together.
I have had the chance to play around with a couple of pieces and must say the fit is a very close one, but in terms of hygiene I am very dubuious.
Also they are supposedly rated at 4 bar, however I am also suspicious of this fact.
RE: Please help - What are these fittings???
Good on ya,
Goober Dave
RE: Please help - What are these fittings???
I have worked with various mechanically swagged tube fitting systems and the seal very well. But don't try to clean them.
They are great in cooling water systems, air systems, or other special gas service.
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Plymouth Tube
RE: Please help - What are these fittings???
Damn Irish - always doing things backwards and I am 1/2 Irish...so I know