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Summary of Contents for TLV VAS
- Page 1 172-65170MA-06 (VAS) 9 July 2015 ISO 9001/ ISO 14001 Manufacturer Kakogawa, Japan is approved by LRQA LTD. to ISO 9001/14001 Rapid Initial Air Vent Copyright © 2015 by TLV CO., LTD. All rights reserved...
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Page 2: Table Of Contents
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. 172-65170MA-06 (VAS) 9 Jul 2015... -
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. 172-65170MA-06 (VAS) 9 Jul 2015...
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Page 5: Features
3. Once it has closed, the air vent remains closed as long as there is internal pressure. 4. When draining the piping, the air vent automatically opens to introduce air and remove water more easily Water (preventing a vacuum from forming in the piping). 172-65170MA-06 (VAS) 9 Jul 2015... -
Page 6: Specifications
** Valve No. is displayed for products with options. This item is omitted from the nameplate when there are no options. Configuration Part Name Body Union Cap Nut Valve Seat Valve Seat Holder Float Float Guide Snap Ring Valve Seat Gasket Union Gasket Nameplate 172-65170MA-06 (VAS) 9 Jul 2015... -
Page 7: Installation
If there is a problem, determine the cause using the “Troubleshooting” section in this manual. Figure 1 Figure 2 Make sure the end Tolerance Angle for of the pipe is above Installation: - 5 the waterline 172-65170MA-06 (VAS) 9 Jul 2015... -
Page 8: Maintenance
Procedure Gaskets: check for warping or scratches Valve Seat Surface: check for scratches or wear Float: check for scratches or dents Float Guide: check for deformation 172-65170MA-06 (VAS) 9 Jul 2015... -
Page 9: Disassembly/Reassembly
Remove, being careful not to scratch Insert, being careful not to scratch or the polished surface misshape Snap Ring Remove with appropriate pliers Insert securely into the groove Float Guide Remove without misshaping Insert, being careful not to misshape 172-65170MA-06 (VAS) 9 Jul 2015... - Page 10 Table of Tightening Torques VAS Size Torque Distance Across Flats Inlet / Outlet Part Name mm (in) N⋅m (lbf·ft) (in) Cap Nut (37) 20 ( ) / 15 ( Valve Seat Holder (15) Cap Nut (59) 40 (1 ) / 25 (1)
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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. 172-65170MA-06 (VAS) 9 Jul 2015... -
Page 12: Product Warranty
One year following product delivery. 2. Warranty Coverage TLV CO., LTD. warrants this product to the original purchaser to be free from defective materials and workmanship. Under this warranty, the product will be repaired or replaced at our option, without charge for parts or labor.
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