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Summary of Contents for TLV VS1A
- Page 1 172-65391MA-08 (VS1A) 7 October 2021 Rapid Initial Air Vent VS1A Copyright © 2021 by TLV CO., LTD. All rights reserved...
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Page 2: Table Of Contents
TLV EXPRESS LIMITED WARRANTY ......11 Service ................13 Introduction Thank you for purchasing the TLV rapid initial 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. -
Page 3: Safety Considerations
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. - Page 4 Use only 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. 172-65391MA-08 (VS1A) 7 Oct 2021...
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Page 5: Features
4. When draining the piping, the air vent automatically opens to introduce air and remove water more easily (preventing a vacuum from forming in the piping). Water 172-65391MA-08 (VS1A) 7 Oct 2021... -
Page 6: Specifications
*** This is applicable only during the initial discharge of air. Once the valve closes, it will remain closed even if the differential pressure is within this range. Configuration Name Body Cover Float Valve Seat Valve Seat Gasket Cover Gasket Cover Bolt Nameplate Connector Screw Spring Washer Guide Plate 172-65391MA-08 (VS1A) 7 Oct 2021... -
Page 7: Installation
If there is a problem, determine the cause using the “Troubleshooting” section in this manual. Figure 1 Figure 2 Tolerance Angle for Make sure the end Installation: 5 of the pipe is above the waterline 172-65391MA-08 (VS1A) 7 Oct 2021... -
Page 8: Maintenance
Procedure Gaskets: check for warping or scratches Valve Seat Surface: check for scratches or wear Float: check for scratches or dents, or water inside Guide Plate: check for damage 172-65391MA-08 (VS1A) 7 Oct 2021... -
Page 9: Disassembly/Reassembly
The guide plate built into the body with screws (and spring washer) does not require removal during normal product disassembly. The plate should only be replaced when it has become deformed or damaged. Upon reassembly, tighten to the proper torque. 172-65391MA-08 (VS1A) 7 Oct 2021... - Page 10 - If drawings or other special documentation were supplied for the product, any torque given there takes precedence over values shown here. Exploded View Cover Cover Bolt Cover Gasket Float Body Cover Connector Valve Seat Gasket Valve Seat 172-65391MA-08 (VS1A) 7 Oct 2021...
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Page 11: Troubleshooting
*NOTE: Once the air vent closes, it will remain closed until internal pressure drops to near or below atmospheric pressure. This condition may be confused with a malfunction (blocked). If air is expected to accumulate in the piping during operation, use together with an automatic air vent. 172-65391MA-08 (VS1A) 7 Oct 2021... -
Page 12: Tlv Express Limited Warranty
Subject to the limitations set forth below, TLV CO., LTD., a Japanese corporation (“TLV”), warrants that products which are sold by it, TLV International Inc. (“TII”) or one of its group companies excluding TLV Corporation (a corporation of the United States of America), (hereinafter the “Products”) are designed and manufactured by... - Page 13 WARRANTY NOT NEGATED HEREBY, AND ANY IMPLIED WARRANTY NOT NEGATED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DO NOT COVER, AND NEITHER TLV, TII NOR ITS TLV GROUP COMPANIES WILL IN ANY EVENT BE LIABLE FOR, INCIDENTAL OR...
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Page 14: Service
Service For Service or Technical Assistance: Contact your TLV representative or your regional TLV office. In Europe: Tel: [49]-(0)7263-9150-0 Daimler-Benz-Straße 16-18, 74915 Waibstadt, Germany Fax: [49]-(0)7263-9150-50 Tel: [44]-(0)1242-227223 Units 7 & 8, Furlong Business Park, Bishops Cleeve, Gloucestershire GL52 8TW, U.K.
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