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172-65133M-04 (LA Series) 1 October 2021

Thermostatic Air Vent for Steam

LA13

• LA13L

LA21

Copyright © 2021 by TLV CO., LTD.

All rights reserved

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Summary of Contents for LA13

Page 1: ...172 65133M 04 LA Series 1 October 2021 Thermostatic Air Vent for Steam LA13 LA13L LA21 Copyright 2021 by TLV CO LTD All rights reserved ...

Page 2: ...oliquid is sealed inside the X element and the valve opens or closes based on the difference between the saturation temperatures of the thermoliquid and the water The X element is very sensitive to changes in temperature and responds with great accuracy quickly discharging air and the large quantities of condensate created immediately after operation start up thereby greatly reducing start up time...

Page 3: ... CAUTION 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 Take measures to prevent people from coming into direct co...

Page 4: ...start up time 2 Closed Position When steam flows in the increased temperature causes the X element to close immediately If the temperature around the X element is near steam saturation temperature the vent will remain closed 3 Discharge During Operation When the temperature of the X element decreases due to inflowing air the X element contracts opening the vent and allowing air discharge Condensat...

Page 5: ...N o V a l v e N o Model Maximum Allowable Temperature TMA Nominal Diameter Maximum Operating Temperature TMO Maximum Allowable Pressure Maximum Operating Pressure X element Type LA13 LA21 Model Production Lot No X element Type Maximum Allowable Temperature TMA Maximum Operating Temperature TMO Nominal Diameter Maximum Allowable Pressure Maximum Operating Pressure Valve No Maximum allowable pressur...

Page 6: ... 2 Cover 3 X element 4 Valve Seat 5 Screen 6 Nameplate 7 Spring Clip 8 Cover Gasket NO NAME 1 Body 2 Cover 3 X element 4 Valve Seat 5 Screen 6 Nameplate 7 Spring Clip NO NAME 1 Body 2 Cover 3 Valve Seat 4 X element 5 X element Guide 6 Spring Clip 7 Screen 8 Cover Gasket 9 Nameplate ...

Page 7: ...to remove any piping scraps dirt and oil Close the inlet valve after blowdown 3 When using the air vent to remove air from steam equipment install at a point where air tends to collect essentially a place away from the steam inlet To increase the effectiveness of air removal also install an air vent in front of the steam equipment at the primary side 4 Install the air vent vertically making sure t...

Page 8: ...fail it may cause damage to piping and equipment resulting in faulty or low quality products or losses due to steam leakage Normal The sound of flow can be heard while air is discharged When air discharge finishes the valve closes along with slight discharge of steam Blocked Discharge Impossible No air is discharged The air vent is quiet and makes no noise and its surface temperature is low Blowin...

Page 9: ... Parts Inside Cover LA13 LA21 Part During Disassembly During Reassembly Figure A Spring Clip Slot Screen Remove without bending Being careful not to bend it insert with the right side up Spring Clip Remove with needle nose pliers Fit securely into the spring clip slots X element Grasp the ball on the top of the X element with pliers and remove Make sure the side of the X element with the ball on i...

Page 10: ...he top of the X element with pliers and remove Make sure the side of the X element with the ball on it is facing up and insert keeping the X element level and making sure it does not catch on the guide see Figure C Valve Seat Remove with a socket wrench Consult the table of tightening torques and tighten to proper torque X element Guide Remove without bending Fix with the valve seat and make sure ...

Page 11: ... 2021 10 Exploded View LA13 LA21 LA13L Body Body Cover Screen Screen Cover Gasket Spring Clip X element X element X element Spring Clip Spring Clip Cover Gasket Cover Valve Seat X element Guide Screen Body Nameplate Nameplate Cover ...

Page 12: ...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 Steam is discharged or leaks from the outlet blowing steam leakage There is rust or scale between the X element valve and valve seat Cl...

Page 13: ...p companies or 6 improper storage maintenance or repair or 7 operation of the Products not in accordance with instructions issued with the Products or with accepted industry practices or 8 use for a purpose or in a manner for which the Products were not intended or 9 use of the Products in a manner inconsistent with the Specifications or 10 use of the Products with Hazardous Fluids fluids other th...

Page 14: ...PRODUCT INJURY TO OTHER PROPERTY DAMAGE TO BUYER S OR THE FIRST END USER S PRODUCT DAMAGE TO BUYER S OR THE FIRST END USER S PROCESSES LOSS OF USE OR OTHER COMMERCIAL LOSSES WHERE DUE TO OPERATION OF LAW CONSEQUENTIAL AND INCIDENTAL DAMAGES UNDER THIS WARRANTY UNDER ANY OTHER EXPRESS WARRANTY NOT NEGATED HEREBY OR UNDER ANY IMPLIED WARRANTY NOT NEGATED HEREBY INCLUDING THE IMPLIED WARRANTIES OF ME...

Page 15: ...oad Nunawading Victoria 3131 Australia Tel Fax 61 0 3 9873 5610 61 0 3 9873 5010 In East Asia 36 Kaki Bukit Place 02 01 02 Singapore 416214 Tel Fax 65 6747 4600 65 6742 0345 Room 5406 No 103 Cao Bao Road Shanghai China 200233 Tel Fax 86 0 21 6482 8622 86 0 21 6482 8623 No 16 Jalan MJ14 Taman Industri Meranti Jaya 47120 Puchong Selangor Malaysia Tel Fax 60 3 8065 2928 60 3 8065 2923 252 94 K L 17th...

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