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172-65528A-01  (VS3-E/VS3-P/VS3-EP)  8 Jul 2015

 

1

 

Contents

 

 

Introduction ....................................................................... 1

 

Safety Considerations ....................................................... 2

 

Features ............................................................................ 4

 

Operation .......................................................................... 4

 

Specifications .................................................................... 5

 

Configuration ..................................................................... 5

 

Installation ......................................................................... 6

 

Maintenance ...................................................................... 7

 

Disassembly / Reassembly ............................................... 8

 

Troubleshooting .............................................................. 10

 

  EXPRESS LIMITED WARRANTY ......................... 11

 

Option (2-piece Clamp for Bolts and Nuts) ..................... 13

 

 

 

Introduction 

 

Thank you for purchasing the

  automatic air vent (clean air vent). 

 

This product has been thoroughly inspected before being shipped from the 
factory. When the product is delivered, before doing anything else, check the 
specifications and external appearance to make sure nothing is out of the 
ordinary. Also be sure to read this manual carefully before use and follow the 
instructions to be sure of using the product properly. 
 
The automatic air vent (clean 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.   
 
For products with special order specifications or options, if detailed 
instructions for the special order specifications or options are not contained in 
this manual, please contact 

  for full details. 

 

This instruction manual is intended for use with the model(s) listed on the 
front cover. It is necessary not only for installation but for subsequent 
maintenance, disassembly/reassembly and troubleshooting. Please keep it in 
a safe place for future reference. 

 

Содержание VS3-E

Страница 1: ... Noguchi Kakogawa Hyogo 675 8511 Japan Tel 81 0 79 422 1122 Fax 81 0 79 422 0112 Copyright 2015 by TLV Co Ltd All rights reserved ISO 9001 ISO 14001 Manufacturer Kakogawa Japan is approved by LRQA LTD to ISO 9001 14001 Automatic Air Vent Clean Air Vent VS3 E VS3 P VS3 EP ...

Страница 2: ...fore use and follow the instructions to be sure of using the product properly The automatic air vent clean 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 Fo...

Страница 3: ...tial threat of death or serious injury CAUTION Indicates that there is a possibility of injury or equipment product damage WARNING DO NOT use for toxic flammable or otherwise hazardous fluids This product is an air vent that discharges air from water piping systems 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 o...

Страница 4: ... 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 the product leading to fluid discharge which may cause burns or other ...

Страница 5: ...been discharged and water begins to enter the air vent the float starts to rise due to buoyancy This pushes it upwards against the valve opening thus closing the air vent 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 air immediately before the air vent closes 3 When more air is trapped in the air vent due to ...

Страница 6: ...scharge impossible blocked CAUTION 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 CAUTION Refer to the indications on the body and the cover for detailed specifications Production Lot No Connection Inner Diameter Connection Standard No CNo Model Nominal Diameter Connection Standard Maximum ...

Страница 7: ...s for the discharge of air from water carrying pipes it must not be used for the discharge of air from steam spaces 2 Before installation be sure to remove all protective seals 3 Before installing the product open the inlet valve and blow out the inlet piping to remove any piping scraps dirt and oil Close the inlet valve after blowdown 4 This product must be installed vertically with the inlet at ...

Страница 8: ...should be done on a daily basis to determine whether the air vent is operating properly or has failed If the air vent 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 air vent Leaka...

Страница 9: ... or the discharge of fluids CAUTION Use the following procedures to remove components Use the same procedures in reverse to reassemble Installation inspection maintenance repairs disassembly adjustment and valve opening closing should be carried out only by trained maintenance personnel Detaching Reattaching the Body and the Cover Part During Disassembly During Reassembly Fig A Wing Nut Body Clamp...

Страница 10: ...172 65528A 01 VS3 E VS3 P VS3 EP 8 Jul 2015 9 Exploded View Body Float Cover Gasket Cover Body Clamp Body Clamp ...

Страница 11: ...t or foreign matter Clean the valve seat The inlet or outlet piping is clogged Clean the piping The operating pressure exceeds the maximum specified pressure for this product Replace the air vent with a model that has a suitable operating pressure rating Water leaks when the vent is closed There is a build up of rust or scale on the valve seat or the valve seat is damaged Clean the valve seat or r...

Страница 12: ...Specifications or 10 failure to follow the instructions contained in the TLV Instruction Manual for the Product Duration Of Warranty This warranty is effective for a period of the earlier of i three 3 years after delivery of Products to the first end user in the case of sealed SST Series Products for use in steam pressure service up to 650 psig ii two 2 years after delivery of Products to the firs...

Страница 13: ...OSSES 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 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 E...

Страница 14: ...172 65528A 01 VS3 E VS3 P VS3 EP 8 Jul 2015 13 Option 2 piece Clamp for Bolts and Nuts Configuration No Name 1 Body 2 Cover 3 Float 4 Body Clamp 5 Cover Gasket 6 Valve Seat 7 Clamp Nut 8 Clamp Bolt ...

Страница 15: ... only by trained maintenance personnel Detaching Reattaching the Body and the Cover Part During Disassembly During Reassembly Fig A Clamp Bolts Nuts Body Clamp Loosen clamp nuts with a tool such as an adjustable wrench then remove the body clamp Tighten clamp nut to the proper torque Grooves Body Cover Remove being careful not to scratch the surface With gasket in place align grooves and gently pl...

Страница 16: ...172 65528A 01 VS3 E VS3 P VS3 EP 8 Jul 2015 15 Exploded View Body Float Cover Gasket Cover Clamp Nut Clamp Bolt Body Clamp Clamp Nut ...

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