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IM-IBR17-47IN
Issue 2
TD120M
Thermodynamic Steam Trap
with Replaceable Seat
Installation and Maintenance Instructions
1. Safety information
2. General product
information
3. Installation
4. Commissioning
5. Operation
6. Maintenance
7. Spare parts
© Copyright 2017
IM-IBR17-47IN Issue 1
1
Printed in India
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Related Manuals for Spirax Sarco TD120M
Summary of Contents for Spirax Sarco TD120M
- Page 1 IM-IBR17-47IN Issue 2 TD120M Thermodynamic Steam Trap with Replaceable Seat Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Commissioning 5. Operation 6. Maintenance 7. Spare parts © Copyright 2017 IM-IBR17-47IN Issue 1 Printed in India...
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Page 2: Safety Information
Determine the correct installation situation and direction of fluid flow. iv) Spirax Sarco products are not intended to withstand external stresses that may be induced by any system to which they are fitted. It is the responsibility of the installer to consider these stresses and take adequate precautions to minimise them. - Page 3 Allow time for temperature to normalise after isolation to avoid danger of burns. 1.9 Tools and consumables Before starting work ensure that you have suitable tools and/or consumables available. Use only genuine Spirax Sarco replacement parts. 1.10 Protective clothing Consider whether you and/or others in the vicinity require any protective clothing to protect against the hazards of, for example, chemicals, high/low temperature, radiation, noise, falling objects, and dangers to eyes and face.
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Page 4: Residual Hazards
1.16 Returning products Customers and stockists are reminded that under EC Health, Safety and Environment Law, when returning products to Spirax Sarco they must provide information on any hazards and the precautions to be taken due to contamination residues or mechanical damage which may present a health, safety or environmental risk. -
Page 5: General Product Information
2. General product information 2.1 General description The TD120M is a maintainable high pressure thermodynamic steam trap with integral strainer and replaceable seat to ease maintenance. It has low capacity specifically designed for superheated mains drainage applications up to 250 bar g (3 625 psi g). - Page 6 525 °C @ 114.9 bar g (977 °F @ 1 666 psi g) Minimum operating temperature 0 °C (32 °F) Note: For lower operating temperatures consult Spirax Sarco. PMOB Maximum operating backpressure should not exceed 50% of the upstream pressure Minimum operating differential pressure 8 bar g...
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Page 7: Installation
3. Installation Note: Before actioning any installation observe the 'Safety information' in Section 1. Referring to the Installation and Maintenance Instructions, name-plate and Technical Information Sheet, check that the product is suitable for the intended installation: Check materials, pressure and temperature and their maximum values. If the maximum operating limit of the product is lower than that of the system in which it is being fitted, ensure that a safety device is included in the system to prevent overpressurisation. -
Page 8: Important Note
This will ensure the correct compression of the gasket under service conditions. 5. Operation The TD120M is a thermodynamic steam trap which uses a disc to control the release of condensate and to trap steam. The trap cycles open and closed to discharge condensate, close to steam temperature, and closes tight between discharges. - Page 9 Steam main Stop valve 'A' Alternative layout Suggested drop leg if the TD120M is located more Stop valve 'B' than 2 m (6') away from the main drop leg. TD120M Dirt pocket/dirt leg Strainer (Optional) Drain valve 'C' To drain or...
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Page 10: Maintenance
6. Maintenance Note : Before actioning any maintenance programme observe the 'Safety information' in Section 1. Warning : The cover gasket contains a thin stainless steel support ring which may cause physical injury if not handled and disposed of carefully. 6.1 How to fit the disc and seat: Remove the top cover (3) by unscrewing the four nuts (9) that are securing it in place. - Page 11 After removing the old cover studs, fit new cover studs until the studs bottom out. The use of a thread lubricant is recommended. 6 + 12 Fig. 3 TD120M with butt weld connections Table 1 Recommended tightening torques Item Part (lbf ft)
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Page 12: Spare Parts
Always order spares by using the description given in the column headed 'Available spares' and state the size and type of trap. Example: 1 - Seat and disc assembly for a Spirax Sarco DN15 TD120M high pressure thermodynamic steam trap. 6 + 12 Fig. 4...
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