Description
Tri-Clover or Laddish type isolating diaphragm seals are used extensively in the food processing industry. Nuova Fima is a large manufacturer of seals and each seal is individually tested to ensure no leaks after filling.
CPS stocks the full range of Tri-Clover seals and fits them in house. We even used to make our own seals years ago so we know seals and which ones are good, and which are not.
We normally fit our P4000 gauges to these seals. The reason behind this is that this model of gauge can be calibrated to the seal, so there in no loss in accuracy by fitting the seal to the gauge. The complete system is so good we can even issue a filled system with an IANZ calibration certificate. We can also do larger sizes and specials; just ask us!
We can fit our P2500 to the seals as well.
Product code: S Series
Additional information
| OPTIONS AVAILABLE | S100: 1.5' Tri-clover – 1/4, S105: 1.5' Tri-clover 1/2, S115: 2' Tri-clover – 1/2 |
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Technical Information
Technical Information
The filling of diaphragm seals is not a difficult process but it can’t be rushed; basically the air is removed (by applying vacuum to the external of the gauge) from the inside of the bourdon tube of the gauge and replaced with a fill fluid eg Silicon Oil or cooking oil (in the case of CPS).
The more air that is removed the better the fill will be. Because air is compressable any residual air will affect the accuracy of the gauge and reduce the life of the seal. Have too much air left behind and the thin stainless diaphragm in the seal will try and compensate for it and start to flex too far backwards and forwards as the pressure changes.
The diaphragm will work harder and crack and fail and you will loose the fill fluid into your process. So it is important that your fill fluid is compatible with your process. So be aware of suppliers offering the filling of seals in a couple of hours. We evacuate our system overnight to ensure there is no residual air.
So if you have a special application that requires a special fill just contact us we are sure to help.
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