Before beginning installation or maintenance, please read this manual to ensure correct usage of
the product. Keep the manual in a safe place for future reference.
The LA Series air vents LA13, LA21 and LA13L can be used for steam pipelines and medium
capacity steam-using equipment up to 1.3, or 2.1 MPaG (185, or 300 psig). These models
discharge air and condensate slightly below steam saturation temperature.
1 MPa = 10.197 kg/c
G
, 1 bar = 0.1 MPa
For products with special specifications or with options not included in this manual, contact TLV
for instructions.
The contents of this manual are subject to change without notice.
Introduction
1. 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.
Indicates an urgent situation that poses a threat of death or serious injury.
Indicates a DANGER, WARNING or CAUTION item.
Indicates that there is a potential threat of death or serious injury.
CAUTION
WARNING
DANGER
CAUTION
Indicates that there is a possibility of injury, or equipment/product
damage.
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, which may lead to serious accidents. Local regulations may
restrict the use of this product to below the conditions quoted.
Take measures to prevent people from coming into direct contact
with product outlets.
Failure to do so may result in burns or other injury
from the discharge of fluids.
When disassembling or removing the product, wait until the internal
pressure equals atmospheric pressure and the surface of the
product has cooled to room temperature.
Disassembling or removing
the product when it is hot or under pressure may lead to discharge of
fluids, causing burns, other injuries or damage.
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Summary of Contents for LA Series
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