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Summary of Contents for TLV VA1
- Page 1 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 October 2021 Rapid Initial Air Vent VA1/VA3/VA4/VA5 Copyright © 2021 by TLV CO., LTD. All rights reserved...
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Page 2: Table Of Contents
If detailed instructions for special order specifications or options not contained in this manual are required, please contact TLV for full details. This instruction manual is intended for use with the model(s) listed on the front cover. -
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. 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 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 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021... -
Page 6: Specifications
** Valve No. is displayed for products with options. This item is omitted from the nameplate when there are no options. Configuration VA1/VA3 VA4/VA5 Name Name Name Body Cover Bolt Float Guide Cover Valve Seat Snap Ring Float Valve Seat Holder Nameplate Cover Gasket Set Screw 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021... -
Page 7: Installation
10. This is a rapid initial air vent for quickly venting large amounts of air at startup only. If air venting is necessary during system operation, install an automatic air vent as well. If there is a problem, determine the cause using the “Troubleshooting” section in this manual. 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021... - Page 8 Figure 1 Figure 2 Tolerance Angle for installation: 5° VA1/VA3 VA4/VA5 Make sure the end of the pipe is above the waterline 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021...
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Page 9: Maintenance
Procedure Gasket(s): Check for warping and damage Valve Seat: Check for scratches or wear Float: Check for scratches or dents Float Guide: Check for damage 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021... -
Page 10: Disassembly/Reassembly
Snap Ring Overhead View Overhead View NOTE: When inserting the snap ring into the groove on the rib inside the body, make sure that the both ends of the snap ring are set between ribs. 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021... - Page 11 - If drawings or other special documentation were supplied for the product, any torque given there takes precedence over values shown here Exploded View Part Name Body Cover Float Cover Gasket Cover Bolt Valve Seat Valve Seat Holder Set Screw Float Guide Snap RIng 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021...
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Page 12: 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. 172-65167MA-10 (VA1/VA3/VA4/VA5) 1 Oct 2021... -
Page 13: 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 TLV, conform... - Page 14 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 15: 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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