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| 04 July 2008 | |
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Step 1 - Prepare | Step 2 - Assemble| Step 3 - Verify Step 2 - Assemble the connection Connecting Twist and Lock Speedfit plumbing fittings Use a John Guest pipe insert when connecting to Speedfit pipe. Enhanced sealing security is available by using the new 'STS' Superseal Pipe Insert. John Guest pipe inserts should only be used with Speedfit pipe.
An 'O' ring on the head of the insert and the shape of the stem provide a secondary seal against the inside of the Speedfit Fitting. A combination of this and the main 'O' ring seal ensure a good connection.
The stem of the insert gives greater rigidity to the length of pipe within the fitting, reducing the chance of leaks if a side load is applied. The fitting should be in the 'unlocked' position, this is shown by a small gap between the screwcap and the body flange.
Cut the pipe square along an insertion mark and use a pipe insert. Push the pipe fully into the fitting - past the collet and the 'O' ring seal to the pipe stop. If the Speedfit pipe has been cut correctly the insertion mark on the pipe will be level with the collet head. The 'O' ring on the Superseal Pipe Insert provides a secondary seal against the bore of the fitting. A good connection has been made.
Twist the screwcap until it touches the body flange. This locks the pipe into position and increases the 'O' ring seal around the pipe for greater security.
Don't forget to push the pipe fully into the fitting, past both the collet (gripper) and the 'O' ring. If you are not using collet clips, ensure that the screwcaps are in the locked position. Pull to check that the connection is secure.
Disconnecting Twist and Lock Speedfit plumbing fittings Turn the screwcap back to the unlocked position. Push the collet square against the face of the fiting by using fingers
or with the help of our collet release tool. With the collet held in this
position, the pipe can then be removed.
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