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Summary of Contents for Spirax Sarco TD3-3
- Page 1 0681150/2 IM-P068-25 ST Issue 2 TD3-3 Thermodynamic Steam Trap Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Commissioning 5. Operation 6. Maintenance 7. Spare parts IM-P068-25 ST Issue 2 Printed in the UK © Copyright 2006...
- Page 2 IM-P068-25 ST Issue 2...
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Page 3: Intended Use
/ water, which is in Group 2 of the above mentioned Pressure Equipment Directive. The products’ use on other fluids may be possible but, if this is contemplated, Spirax Sarco should be contacted to confirm the suitability of the product for the application being considered. -
Page 4: Pressure Systems
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. -
Page 5: 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 6: General Product Information
2. General product information 2.1 General description The TD3-3 is a medium pressure thermodynamic steam trap fitted between unions for ease of replacement. Tail pieces are prepared for butt weld ends. Optional extras To prevent the trap being unduly influenced by excessive heat loss Insulating cover such as when subjected to low outside temperatures, wind, rain etc. - Page 7 400°C @ 42 bar g (752°F @ 609 psi g) Minimum operating temperature 0°C (32°F) Note: For lower operating temperatures consult Spirax Sarco. PMX Maximum differentail pressure 63 bar (913 psi) PMOB Maximum operating backpressure should not exceed 80% of the upstream pressure Minimum operating differential 0.25 bar...
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Page 8: Installation
Where the trap discharges into a closed return system, a non-return valve should be fitted downstream to prevent return flow. Welding of a steam trap - When a socket weld or butt weld TD3-3 thermodynamic steam trap is being installed the welding should be in accordance with an approved weld procedure of a recognised standard using approved welders. -
Page 9: Maintenance
6. Maintenance Note: Before actioning any maintenance programme observe the 'Safety information' in Section 1. 6.1 General information: Before undertaking any maintenance on the trap it must be isolated from the supply line and any pressure allowed to safely normalise to atmosphere. The trap should then be allowed to cool. - Page 10 6.2 How to service Remove the insulating cover (7), if fitted, and unscrew the cap (2) using a suitable spanner or socket. Do not use stillsons or a wrench of similar type which may cause distortion of the cap. If the seating faces on the body are only slightly worn, they can be refaced by lapping on a flat surface, such as a surface plate.
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Page 11: 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 - Strainer screen and gasket for a Spirax Sarco ½" TD3-3 thermodynamic steam trap. * Please note: Item 9 is not an available spare. - Page 12 IM-P068-25 ST Issue 2...
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