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172-65392MA-08 (VS1C) 25 November 2021

Automatic Air Vent

VS1C

Copyright © 2021 by TLV CO., LTD.

All rights reserved

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Summary of Contents for VS1C

Page 1: ...172 65392MA 08 VS1C 25 November 2021 Automatic Air Vent VS1C Copyright 2021 by TLV CO LTD All rights reserved ...

Page 2: ...y before use and follow the instructions to be sure of using the product properly The VS1C automatic air vent is designed to automatically discharge release air trapped in water carrying pipes during water transport It also automatically discharges the air that was entrained in the water during operation and has subsequently been separated and collected in specific locations in the piping If detai...

Page 3: ...oses 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 us...

Page 4: ... of fluids causing burns other injuries or damage 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 and 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 t...

Page 5: ...s the valve is fully open and allows the air that enters the air vent and fills the area around the float to then be discharged 2 When discharge is completed as water flows into the air vent the rising water level causes the float to rise and to close the valve If there is a rapid rise in water level caused by rapidly opening a shut off valve etc a small amount of water may leak with discharged ai...

Page 6: ...e of this product to below the conditions quoted DO NOT use this product in excess of the maximum operating pressure differential Such use could make discharge impossible blocked 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 Refer to the product nameplate for detailed specifications A Mode...

Page 7: ...72 65392MA 08 VS1C 25 Nov 2021 6 Configuration No Name 1 Body 2 Cover 3 Float 4 Valve Seat 5 Valve Seat Gasket 6 Cover Gasket 7 Cover Bolt 8 Nameplate 9 Connector 10 Screw 11 Spring Washer 12 Guide Plate ...

Page 8: ... and the outlet at the top and should be inclined no more than 5 horizontally and front to back Figure 2 4 Install the product in a location where air is likely to collect such as a bend in the piping 5 Install outlet piping leading to a drainage vessel or ditch Make sure the end of the pipe is above the waterline so that dirt and water can not be sucked up by vacuum when the system shuts down Fig...

Page 9: ...etermine whether the product is operating properly or has failed If the product should fail it may cause water leakage or hindrance to water flow Normal Air is discharged as it accumulates with the air vent closing with no leakage when no air is present in the piping Blocked Discharge Impossible No air is discharged though air accumulates in the product Leakage Water from the piping is discharged ...

Page 10: ... 7 Remove with a socket wrench Consult the table of tightening torques and tighten to the proper torque Cover 2 Remove carefully take care to prevent any damage to the float which may fall out when the cover is removed Make sure the sealing surfaces are clean then reattach be careful not to bend the float guides Float 3 Remove being careful not to scratch the polished surface Insert being careful ...

Page 11: ... Screw for Guide Plate 12 0 3 0 22 NOTE Coat all threaded portions with anti seize 1 N m 10 kg cm If drawings or other special documentation were supplied for the product any torque given there takes precedence over values shown here Exploded View No Name 1 Body 2 Cover 3 Float 4 Valve Seat 5 Valve Seat Gasket 6 Cover Gasket 7 Cover Bolt 8 Nameplate not shown 9 Connector ...

Page 12: ...ter in the piping is not being displaced by air Correct the inlet piping Inner diameter should be at least 16mm 5 8 in The valve seat is clogged Clean the valve seat The inlet or outlet piping is clogged Clean the piping and any upstream strainer Operating pressure exceeds the rated maximum operating pressure Replace with a product of suitable operating pressure Water leaks when valve is closed Th...

Page 13: ...eyond the control of TLV TII or TLV group 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 Produc...

Page 14: ...SASSEMBLY AND SHIPMENT OF THE DEFECTIVE 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 HEREB...

Page 15: ...ad 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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