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Choose a durable “no leak” pneumatic fitting

Over the years reviewed with various types and styles of industrial compressed air production machinery, there is a common mainline or complaint; “One-click connection pneumatic pipe connections/accessories are a continuous source of compressed air leaks and production interruptions.” Approx. 75 to The use of a push-to-connect fitting for the 80-piece hose selects a lower material cost and assembly rather than an alternative to a suitable hard metal tube.
The hose itself is leaking from vibration, abrasion resistance, chemical abuse, etc. It is easier to properly select and install a hard metal tube. The flexibility and constant transmission of vibration and motion to the sealing area of the push-in connection tends to shorten its useful life. The purpose of this paper is to highlight the operational benefits of the seal wedge fitting that is typically pushed to the connector and replaces the two ferrules under severe working conditions.
When subjected to vibration, the typically pressed connector can exhibit relative motion on the O-ring and the retainer (also referred to as the gripper). This will accelerate the tendency to cause higher leakage of the pneumatic regulator valve. At some point, without the life of the joint, both the retaining and sealing areas are excessively worn. Some designs use ribbed sealing materials instead of O-rings.
The two-piece ferrule seal wedge is designed to keep the tube in place. The wedge seal in the tubing is formed by the front ferrule, the push-back ferrule, and the fitting is tightened. There is little, if any, relative movement between the fitting and the tubing - this is the smallest. This design has reliable durability and may appear to be able to easily offset any wear with a small amount of tightening.
Inspection of pneumatics and pipe production machinery
This will be the advantage of any plant to monitor the flow and pressure of the inlet compressed air, using any number of tubes and fittings for any production machinery. If possible, use new (or full repair) when setting up "best practice" standard compressed air. The compressed air flow and pressure are then monitored to deviate from the "best practice flow and pressure." Any deviation will provide a good indication of compressed air leaks - this can and should be fixed
In order to arrive at the "best practice" scenario above, the type and size of the operating tube should also be reviewed. We have found that the efficiency drops or the pressure increases with the pneumatic ball valve, because the 1⁄4" copper tube has been replaced with a 1⁄4" nylon tube that is not able to provide the same compressed air flow at the necessary pressure.

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