Manual
11
Level COntrols - IOM 200 Vacuum Breaker 200_IOM_RevAa_1112
TYPE 200 VACUUM BREAKER PARTS/ OVERHAUL
Damaged or worn parts can decrease performance and shorten the life of the vacuum breaker.
A damaged or worn gasket can cause external leakage and damage to surrounding equipment.
A damaged or worn spring can result in a vacuum breaker that does not close when the vacuum in
atankisrelievedallowingthetank’scontentstoescapeanddamagesurroundingequipment,and
can also cause damage to the stem.
A damaged or worn stem can result in a vacuum breaker that does not open to relieve a vacuum
in a tank or close when the vacuum is relieved allowing the contents to escape and damage
surrounding equipment, and can also cause damage to the stem guide.
A damaged or worn stem guide can result in a vacuum breaker that does not open to relieve a
vacuum in a tank or close when the vacuum is relieved allowing the contents to escape and damage
surrounding equipment, and can also cause damage to the stem.
A damaged or worn connecting pin, disc, disc retainer, or disc holder can cause external leakage
resulting in the loss of the contents from the tank and damage to surrounding equipment, and can
also cause damage to surrounding parts inside the vacuum breaker.
A damaged or worn integral seat or seat ring can cause external leakage resulting in the loss of
the contents from the tank and damage to surrounding equipment, and can also cause damage to
the disc and disc holder.
Two dierent parts kits are available. An Inspection kit is available to allow a vacuum breaker to
be opened to inspect its internal parts. A rebuild kit is available to allow a vacuum breaker to be
overhauled. Please provide serial number to get the correct kit part numbers.