background image

A

D

F

I

E

B

H

C

G

B

A

G

D

F

C

E

H

CAUTION

Be sure to use only the recommended components when repairing 
the product, and NEVER attempt to modify the product in any way. 

Failure to observe these precautions may result in damage to the product 
or burns or other injury due to malfunction or the discharge of fluids.

Use only under conditions in which no freeze-up will occur. 

Freezing 

may damage the product, leading to fluid discharge, which may cause 
burns or other injury.

Use under conditions in which no water hammer will occur. 

The 

impact of water hammer may damage the product, leading to fluid 
discharge, which may cause burns or other injury.

2. Specifications

To avoid malfunctions, product damage, accidents or serious injury, 
install properly and DO NOT use this product outside the specification 
range. Local regulations may restrict the use of this product to below the 
conditions quoted.

CAUTION

Refer to the product nameplate for detailed specifications.

 *  Maximum allowable pressure (PMA) and maximum allowable temperature (TMA) are 

PRESSURE SHELL DESIGN CONDITIONS, 

NOT 

OPERATING CONDITIONS.

** "Tag No." is displayed for products with options. This item is omitted from the nameplate 

when there are no options.

A Model
B Nominal Diameter
C Maximum Allowable Pressure*
D Maximum Allowable Temperature* TMA
E Maximum Operating Pressure
F Maximum Operating Temperature TMO
G Production Lot No.
H Tag No.**
 I X-element Type

2.1 Maximum Operating Temperature

:

:

250

(482)

220

(428)

200

(392)

150

(302)

100

(212)

0

0.5

(75)

1.0

(150)

1.3

(185)

1.5

(215)

Operating Pressure 

MPaG (psig)

T

emperat

u

re 

°

C

 (

°

F)

2.0

2.1

(300)

1 MPaG = 10.197 kg/cm

2

235

°

C (455

°

F) 

Operating Temperature Range

Saturated Steam Curve

LA21

LA13/LA13L

Summary of Contents for LA Series

Page 1: ...881 Nagasuna Noguchi Kakogawa Hyogo 675 8511 Japan Tel 81 0 79 422 1122 Fax 81 0 79 422 0112 INSTRUCTION MANUAL Keep this manual in a safe place for future reference THERMOSTATIC AIR VENTS FOR STEAM LA SERIES LA13 LA13L LA21 LA13 LA21 LA13L Manufacturer ...

Page 2: ... 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...

Page 3: ...properly and DO NOT use this product outside the specification range Local regulations may restrict the use of this product to below the conditions quoted CAUTION Refer to the product nameplate for detailed specifications Maximum allowable pressure PMA and maximum allowable temperature TMA are PRESSURE SHELL DESIGN CONDITIONS NOT OPERATING CONDITIONS Tag No is displayed for products with options T...

Page 4: ...1 LA13L w r i e u t q w r y e u t q y u t o q w i e r 3 Configuration No 1 2 3 4 5 6 7 8 9 Description Body Cover X element Valve Seat Screen Nameplate Spring Clip Cover Gasket X element Guide LA13 LA13L LA13L ...

Page 5: ...creen Valve seat Spring Clip X element guide Cover gasket Cover gasket Screen Nameplate Nameplate X element X element Cover Cover Spring Clip 4 Exploded View LA13 LA21 LA13L Shown upside down for maintenance LA13 LA13L ...

Page 6: ...iveness of air removal also install an air vent in front of the steam using equipment 4 Install the air vent vertically LA13 LA21 with the arrow on the nameplate or body LA13L pointing in the direction of flow DO NOT install the air vent upside down 5 To protect people from hot air or steam from the outlet of the air vent connect a pipe leading to a pit but do not submerge the pipe in water this m...

Page 7: ...spection and Maintenance Installation inspection maintenance repairs disassembly adjustment and valve opening closing should be carried out only by trained maintenance personnel Before attempting to open the vent close the inlet isolation valve of the equipment and wait until the air vent has cooled to room temperature Failure to do so may result in burns or injury LA13L can be maintained without ...

Page 8: ...e seat Clean the valve seat or replace with a new valve seat LA13L or cover The screen is clogged Clean parts The air vent operating pressure exceeds the maximum specified pressure or there is insufficient pressure differential between the air vent inlet and outlet Compare specifications and actual operating conditions Cause Remedy Problem Part No Body 1 Cover 2 Cover Gasket 8 LA13 LA13L Replace w...

Page 9: ... SHIPMENT BY TLV Exclusive Remedy THE EXCLUSIVE REMEDY UNDER THIS WARRANTY UNDER ANY EXPRESS WARRANTY OR UNDER ANY IMPLIED WARRANTIES NOT NEGATED HEREBY INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS REPLACEMENT PROVIDED a THE CLAIMED DEFECT IS REPORTED TO TLV IN WRITING WITHIN THE APPLICABLE WARRANTY PERIOD INCLUDING A DETAILED WRITTEN DESCRIPTION OF T...

Page 10: ...IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE CANNOT BE EXCLUDED SUCH DAMAGES ARE EXPRESSLY LIMITED IN AMOUNT TO THE PURCHASE PRICE OF THE DEFECTIVE PRODUCT THIS EXCLUSION OF CONSEQUENTIAL AND INCIDENTAL DAMAGES AND THE PROVISION OF THIS WARRANTY LIMITING REMEDIES HEREUNDER TO REPLACEMENT ARE INDEPENDENT PROVISIONS AND ANY DETERMINATION THAT THE LIMITATION OF REMEDIES ...

Page 11: ... ...

Page 12: ...Printed on recycled paper Tel 81 0 79 422 1122 Fax 81 0 79 422 0112 Rev 9 2020 M PAC 65348 a 881 Nagasuna Noguchi Kakogawa Hyogo 675 8511 Japan Manufacturer ...

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