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Summary of Contents for TLV L21S
- Page 1 172-65122MA-04 (L Series + BD2) 9 March 2017 Balanced Pressure Thermostatic Steam Trap L21S / L32S L21SC / L32SC Copyright © 2017 by TLV CO., LTD. All rights reserved...
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Page 2: Table Of Contents
Contents Introduction ................ 1 Safety Considerations ............2 Checking the Piping ............4 Specifications ..............5 Installation ................6 Maintenance ............... 7 Disassembly/Reassembly ..........8 Instructions for Plug/Holder Disassembly and Reassembly . 10 Troubleshooting ............... 11 Product Warranty ............. 12 Options ................ -
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 Be sure to use only the recommended components when CAUTION 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.
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Page 5: Checking The Piping
3. Have isolation valves been installed at the inlet and outlet? If the outlet is subject to back pressure, has a check valve (TLV-CK) been installed (models L21S and L32S)? 4. Is the inlet pipe as short as possible, with as few bends as possible, and installed so the liquid will flow naturally down into the trap? 5. -
Page 6: Specifications
Specifications Install properly and DO NOT use this product outside the recommended operating pressure, temperature and other specification ranges. CAUTION Improper use may result in such hazards as damage to the product or malfunctions which may lead to serious accidents. Local regulations may restrict the use of this product to below the conditions quoted. -
Page 7: Installation
Installation Install properly and DO NOT use this product outside the recommended operating pressure, temperature and other specification ranges. CAUTION Improper use may result in such hazards as damage to the product or malfunctions which may lead to serious accidents. Local regulations may restrict the use of this product to below the conditions quoted. -
Page 8: Maintenance
(When conducting a visual inspection, flash steam is sometimes mistaken for steam leakage. For this reason, the use of a steam trap diagnostic instrument [such as TLV TrapMan if appropriate] in conjunction with the visual inspection is highly recommended.) -
Page 9: Disassembly/Reassembly
Disassembly/Reassembly When disassembling or removing the product, wait until the internal pressure equals atmospheric pressure and the surface of the product CAUTION has cooled to room temperature. Disassembling or removing the product when it is hot or under pressure may lead to discharge of fluids, causing burns, other injuries or damage. - Page 10 Exploded View Cover Bolt Cover Nameplate Spring Clip X-element Valve Seat X-element Guide Cover Gasket Body Screen Screen Holder Gasket Screen Holder 172-65122MA-04 (L Series + BD2) 9 Mar 2017...
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Page 11: Instructions For Plug/Holder Disassembly And Reassembly
Instructions for Plug/Holder Disassembly and Reassembly The seal on the threaded plugs/holders found on TLV products is formed by a flat metal gasket. There are various installation orientations for the gaskets, such as horizontal, diagonal and downward, and the gasket may be pinched in the thread recesses during assembly. -
Page 12: Troubleshooting
Troubleshooting When disassembling or removing the product, wait until the internal pressure equals atmospheric pressure and the surface of the product CAUTION has cooled to room temperature. Disassembling or removing the product when it is hot or under pressure may lead to discharge of fluids, causing burns, other injuries or damage. -
Page 13: 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. -
Page 14: Options
Options With Blowdown Valve (TLV BD2) Always wear eye protection and heat-resistant gloves when operating CAUTION the blowdown valve. Failure to do so may result in burns or other injury. When operating the blowdown valve, stand to the side well clear of the outlet to avoid contact with internal fluids that will be discharged. - Page 15 Valve Seat with 1 mm (0.04 in) drain hole The valve seat has a 1 mm (0.04 in) drain hole to ensure no condensate remains in the trap after operation. NOTE: Option for L21S/L32S only. Not available for L21SC/L32SC. 1 mm (0.04 in)
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