Cherne® Air-Loc® Front Plugs are leak locator plugs designed for line acceptance tests and leak location testing. They also can be used as blocking plugs by plugging the fill and read-back ports. Cherne Industries is a global leader in pipe plugs and testing.
Available in 24 Variations
Maximum Back Pressure
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Cherne offers a 2 year warranty on all pneumatic plugs from date of manufacture, (plugs are post-dated by six months to allow for shelf time). If kept in controlled conditions (not exposed to sunlight and kept at temperatures between 0-125 degrees F) the pneumatic plugs remain in good condition for a longer period of time. Plugs should always be inspected for visual damage prior to every use.
What type of rubber is a Cherne pneumatic plugs made from?
All of Cherne’s pneumatic pipe plugs are made from natural rubber. The only exception is our yellow pillow plugs which are made from a polyurethane impregnated fabric.
How often should a pneumatic plug pressure be checked?
Inflation pressure should be checked a minimum of once every 4 hours while a pneumatic plug is in use.