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Verify negative pressure is maintained for 5
minutes to ensure seal and integrity of MDS
Stopper and the complete stopper rod.
This is what a well evacuated
MDS Stopper looks like!
ADDITIONAL STOPPER
TESTING BY INFLATION:
If 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 [12100731].
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:
Kleiss MCS7-2PVC System Manual
www.MainlineControlSystems.com
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