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Summary of Contents for Spirax Sarco S
- Page 1 0772150/6 IM-P077-02 ST Issue 6 S and SF Inverted Bucket Steam Traps Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Commissioning 5. Operation 6. Maintenance 7. Spare parts © Copyright 2015 IM-P077-02 ST Issue 6...
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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: Pressure Systems
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. -
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 Prevention of water hammer Steam trapping on steam mains: 30 - 50 metre intervals Steam Trap set Steam Trap set Trap set Condensate Condensate Condensate Steam Mains - Do's and Don'ts: Flow Flow Steam Steam ...
- Page 6 Prevention of tensile stressing Pipe misalignment: Installing products or re-assembling after maintenance: Do not over tighten. Flange bolts should be gradually tightened across Use correct torque figures. diameters to ensure even load and alignment. Thermal expansion: Guides Axial movement Short Fixing point...
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Page 7: General Product Information
2. General product information 2.1 Description The S series is a maintainable cast iron inverted bucket steam trap with screwed in-line connections and integral strainer. The SF series has integral flanged connections and integral strainer. Note: For additional information see the following Technical Information Sheet: TI-P077-01. -
Page 8: Operating Range
SFB4 SFB8 SFB12 1" SC12 DN25 SFC4 SFC8 SFC12 1½" DN40 SD12 SFD4 SFD8 SFD12 2.5 Materials of construction The S and SF series inverted bucket traps are manufactured in cast iron with stainless steel internals. IM-P077-02 ST Issue 6... -
Page 9: 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 10: Operation
5. Operation Under most conditions the trap will discharge condensate with a blast type action. Under low load and/or low pressure applications the discharge may tend to 'dribble'. Condensate is discharged at steam temperature so due care must be given to the site of the discharge. 6. - Page 11 Table 1 Recommended tightening torques Item Size (lbf ft) ½" - DN15 25 - 30 (19 - 22) ¾" - DN20 35 - 40 (26 - 30) 1" - DN25 50 - 60 (37 - 45) 1½" - DN40 80 - 90 (59 - 67) ½"...
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Page 12: Spare Parts
'Available spares' and state the size, model No. and presure rating of the trap. Example: 1 - Valve and seat assembly for Spirax Sarco DN20 SFB8 inverted bucket steam trap for dif ferential pressures up to 8 bar. 4, 19 11 10 Fig.
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