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Kleiss MCS7-2PVC System Manual
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www.MainlineControlSystems.com
Verify internal spring mechanism is still working.
Pull a vacuum (negative pressure) on the stopper.
This can be done on the complete stopper rod of
the tower (to ensure complete system is intact
before a job) or using the MDS Stopper Test
Adapter [12100731].
Verify fiber gasket in either device is intact.
Verify negative pressure is maintained for 5
minutes.
Using rod:
Using MDS Stopper Test Adapter:
If the condition of the stopper is still uncertain
or additional stopper testing is desired, insert the
stopper into a piece of pipe within the stopper’s
pipe ID range.
(Make certain the test set up is in a safe place
where the open end of the test pipe is pointed
away from people.)
Inflate the stopper to the maximum allowable
pressure either by using the stopper rod or a MDS
Stopper Test Adapter as noted in the previous step.
After the stopper stabilizes, wait 10 minutes to
make certain the same pressure is maintained
within the MDS Stopper.
NOTE: Do not inflate the stopper outside of
a pipe as it can damage the stopper.
Using rod:
Using MDS Stopper Test Adapter:
