Related Manuals for TLV BD800
Summary of Contents for TLV BD800
- Page 1 172-65694MA-01 (BD800) 25 July 2018 Bypass Blow Valve BD800 Copyright © 2018 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. 172-65694MA-01 (BD800) 25 Jul 2018... -
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. 172-65694MA-01 (BD800) 25 Jul 2018...
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Page 5: Specifications
7 Gland Packing 14 Gland Packing Removal Tool *Replacement parts are available only in the following kits: M = Maintenance kit R = Repair kit G = Gland packing T = Gland packing removal tool 172-65694MA-01 (BD800) 25 Jul 2018... -
Page 6: Installation
4. Install the product so the arrow on the body is pointing in the direction of flow. 5. Install outlet piping. If there is a problem, determine the cause using the “Troubleshooting” section in this manual. 172-65694MA-01 (BD800) 25 Jul 2018... -
Page 7: Operation
Once the adjustment is made, replace the spanner cap. This prevents unintentional change of the valve aperture. As the valve stem is covered by the spanner cap, it is protected against rainwater or foreign matter, reducing the likelihood of the valve stem sticking. 172-65694MA-01 (BD800) 25 Jul 2018... - Page 8 Relation between CV / Kvs Values and No. of Turns of the Valve Stem No. of turns* No. of turns* No. of turns* *No. of turns of the valve stem is based on the fully closed position 172-65694MA-01 (BD800) 25 Jul 2018...
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Page 9: Maintenance
The gland holder can be tightened with the spanner cap as well as a spanner wrench with a distance across flats of 22 mm ( in). Tighten as necessary. Valve Stem Spanner Cap Gland Holder Spanner Wrench 172-65694MA-01 (BD800) 25 Jul 2018... - Page 10 NOTE: Once leakage from the upper part of the gland holder has stopped, do not tighten any further. Make sure that the valve stem can still turn after the gland holder is tightened. Contact TLV if leakage does not stop even after retightening.
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Page 11: Disassembly/Reassembly
When the secondary side of the product is open to the atmosphere, visually check whether fluid is leaking on the secondary side. Contact TLV in the event leakage does not stop. Disassembly/Reassembly of the Bonnet Section... - Page 12 (A) with a plastic mallet. Remove removal tool (A), replace the gland holder and tighten it to the proper torque. Removal Tool (A) Plastic Mallet Gland Packing Removal Tool (A) 172-65694MA-01 (BD800) 25 Jul 2018...
- Page 13 Exploded View Spanner Cap Bonnet Nut Gland Holder Bonnet Gasket Gland Packing* Valve Seat Bonnet Valve Seat Gasket Bonnet Bolt Valve Stem Body *Inlaid in the bonnet 172-65694MA-01 (BD800) 25 Jul 2018...
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Page 14: Cleaning The Valve Seat Section
Scale is scraped off the valve seat counter- clockwise when turning the valve stem back clockwise Cleaning is complete if no Turn the valve stem counter- leakage occurs after closing the clockwise again valve again 172-65694MA-01 (BD800) 25 Jul 2018... -
Page 15: Troubleshooting
NOTE: When replacing parts with new, use the parts list for reference, and replace with parts from the maintenance kit, repair kit, etc. Please note that replacement parts are only available as part of a replacement parts kit. 172-65694MA-01 (BD800) 25 Jul 2018... -
Page 16: 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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