Spirax Sarco SP80 Installation And Maintenance Instructions Manual
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Spirax Sarco SP80 Installation And Maintenance Instructions Manual

Spirax Sarco SP80 Installation And Maintenance Instructions Manual

Bimetallic steam traps
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6242100/6
IM-P624-01
CMGT Issue 6
SP80 and SP100
Bimetallic Steam Traps
Installation and Maintenance Instructions
1. Safety information
2. General product information
3. Installation
4. Commissioning
5. Operation
6. Maintenance
7. Spare parts
8. Fault finding
SP80 and SP100 Bimetallic Steam Traps
© Copyright 2024
1
IM-P624-01 CMGT Issue 6
Printed in GB

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Summary of Contents for Spirax Sarco SP80

  • Page 1 Installation and Maintenance Instructions 1. Safety information 2. General product information 3. Installation 4. Commissioning 5. Operation 6. Maintenance 7. Spare parts 8. Fault finding SP80 and SP100 Bimetallic Steam Traps © Copyright 2024 IM-P624-01 CMGT Issue 6 Printed in GB...
  • Page 2 SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...

  • Page 3: Safety Information

    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: Protective Clothing

    You are advised to assess the risks taking into account the task, the individual, the load and the working environment and use the appropriate handling method depending on the circumstances of the work being done. SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...

  • Page 5: Residual Hazards

    Where no additional information is provided on the Spirax Sarco product compliance web page, this product may be safely recycled and/or disposed providing due care is taken. Always check your local recycling and disposal regulations.

  • Page 6: General Product Information

    They are not sensitive to overheating and have a bimetallic pilot device which controls a main valve via a large diameter piston. Both the SP80 and SP100 have a built-in strainer screen to protect the pilot valve and an external device for adjusting the discharge temperature of the condensate.
  • Page 7 2.2 Sizes and pipe connections DN80 SP80 or DN100 SP100 with Flanged EN 1092 PN40, ASME 150 or ASME 300 connections. 2.3 Pressure/temperature limits Pressure psi g Steam saturation curve Pressure bar g The product must not be used in this region.

  • Page 8: Installation

    Gate valve Gate valve 0.5 metre SP trap (20") 1 metre minimum Test valve (3 ft) Fig. 2 Recommended installation - Note: pipework to fall in the direction of flow. SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...

  • Page 9: Operation

    5. Operation The Spirax Sarco SP80 and SP100 are bimetallic steam traps. These traps operate on the basis of two opposing forces acting on the valve - an opening force created by system pressure, and a closing force resulting from the condensate temperature acting on the bimetallic elements.

  • Page 10: Maintenance

    29 A/F 78 - 88 (53 - 65) Bottom cover bolt 19 A/F 54 - 66 (40 - 49) Main valve lock-nut 19 A/F 45 - 55 (33 - 40) SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...
  • Page 11 Tighten the lock-nut. Replace the blind nut gasket (15) and the blind nut (16) and tighten to the recommended torque (see Table 1). Adjustment screw Lock-nut Main valve lock-nut Fig. 4a SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...
  • Page 12 The trap should modulate the condensate discharge depending on inlet temperature and pressure. Open the upstream isolation valve fully when the adjustment has been completed. Adjustment screw Lock-nut Main valve lock-nut Fig. 4b SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...
  • Page 13 Replace the blind nut gasket (15) and blind nut (16) and tighten to the recommended torque (see Table 1). Open the upstream isolation valve fully once the adjustment has been completed. SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...

  • Page 14: Spare Parts

    Always order spares by using the description given in the column headed 'Available spares' and state the size and model of the bimetallic steam trap. Example: 1 - Gasket kit for a DN80 Spirax Sarco SP80 bimetallic steam trap. Adjustment screw...
  • Page 15 29 A/F 78 - 88 (53 - 65) Bottom cover bolt 19 A/F 54 - 66 (40 - 49) Main valve lock-nut 19 A/F 45 - 55 (33 - 40) SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...

  • Page 16: Fault Finding

    (See Section 6.1). Trap blows live steam Bimetallic element improperly adjusted. Adjust as described under 'Discharge temperature adjustment' (See Section 6.2). Worn valve seat. Dismantle, inspect and replace if necessary. SP80 and SP100 Bimetallic Steam Traps IM-P624-01 CMGT Issue 6...

This manual is also suitable for:

Sp100

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