172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021
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Safety Considerations
Read this section carefully before use and be sure to follow the instructions.
Installation, inspection, maintenance, repairs, disassembly, adjustment and valve
opening/closing should be carried out only by trained maintenance personnel.
The precautions listed in this manual are designed to ensure safety and prevent
equipment damage and personal injury. For situations that may occur as a result
of erroneous handling, three different types of cautionary items are used to
indicate the degree of urgency and the scale of potential damage and danger:
DANGER, WARNING and CAUTION.
The three types of cautionary items above are very important for safety: be sure
to observe all of them as they relate to installation, use, maintenance, and repair.
Furthermore, TLV accepts no responsibility for any accidents or damage
occurring as a result of failure to observe these precautions.
Symbols
Indicates a DANGER, WARNING or CAUTION item.
Indicates an urgent situation which poses a threat of death or
serious injury
Indicates that there is a potential threat of death or serious injury
Indicates that there is a possibility of injury or equipment / product
damage
DO NOT use for toxic, flammable or otherwise hazardous
fluids.
This product is an air vent that discharges air from water piping
system. Use only for water and/or air. This product is for intended
use only. Improper use may result in such hazards as damage to
the product or malfunctions that may lead to serious accidents.
NEVER apply direct heat to the float.
The float may explode due to increased internal pressure, causing
accidents leading to serious injury or damage to property and
equipment.
Install properly and DO NOT use this product outside the
recommended operating pressure, temperature and other
specification ranges.
Improper use may result in such hazards as damage to the product
or malfunctions that may lead to serious accidents. Local
regulations may restrict the use of this product to below the
conditions quoted.
Use hoisting equipment for heavy objects (weighing
approximately 20 kg (44 lb) or more)
.
Failure to do so may result in back strain or other injury if the object
should fall.
Continued on the next page
DANGER
WARNING
CAUTION
WARNING
CAUTION