Forbes Marshall FMTD60-O Installation And Maintenance Manual

Thermodynamic trap

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Installation and Maintenance Manual
Forbes Marshall Thermodynamic Trap
FMTD60-O
Energy Conservation | Environment | Process Efficiency
www.forbesmarshall.com

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Summary of Contents for Forbes Marshall FMTD60-O

  • Page 1 Installation and Maintenance Manual Forbes Marshall Thermodynamic Trap FMTD60-O Energy Conservation | Environment | Process Efficiency www.forbesmarshall.com...
  • Page 2: Table Of Contents

    Warranty Period ..............12 PLEASE NOTE - Throughout this manual this cautionary symbol is used to describe a potential damage or injury that might occur if the safety considerations are overlooked. This symbol denotes CAUTION, WARNING or DANGER. Forbes Marshall Thermodynamic Trap...
  • Page 3: Preface

    The product is suitable for use as defined in the technical information sheet. In case the need arises to use the product on any other fluid please contact Forbes Marshall for assistance.
  • Page 4 India & abroad 2.11 Returning products: Customers and Stockist are reminded that, when returning products to Forbes Marshall 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: Brief Product Information

    Brief Product Information: 3.1 Description: Forbes Marshall Thermodynamic Trap, FMTD60-O, with inbuilt strainer and full stainless steel construction is best suited for header and mainline drains and drip legs. 3.2 Size and End Connections: DN15 Screwed BSPT/BSP/NPT 3.3 Limiting Conditions:...
  • Page 6 ASTM A24 Strainer Cap St.Steel BS 3146 PART2 ANC2 Note: 3*and 4* shown in figure 5 3.5 Product Dimension and Drawing: Figure 2: Dimensional Drawing of FMTD60-O Dimensions (approx. in mm) Size Weight DN 15 0.5 Kg 3.6 Capacity Chart:...
  • Page 7: Product Working Principle

    Product Working Principle: The Forbes Marshall Thermodynamic Trap works on thermodynamic principle using the dynamic effect of flash steam as hot condensate passes through the trap. 4.1. Operation of Forbes Marshall Thermodynamic Trap : [Refer figure 3] The Forbes Marshall Thermodynamic Trap operates on thermodynamic principle using the Bernoulli theorem i.e.
  • Page 8: Installation Guidelines

    The horizontal mainline should be provided with proper collecting pocket as provided by equal Tee should end with a drip leg and at the end of the drip leg Forbes Marshall Thermodynamic Trap should be fitted. Typically recommended drain pocket dimensions relative to steam main pipe sizes are given below.
  • Page 9: Start-Up And Commissioning

    Now slowly close the bypass isolation valve and open the trap isolation valve. Note: For a detailed procedure on flushing of lines please visit Forbes Marshall website. 6.2. Commissioning: After installation or maintenance ensure that the system is fully functioning by confirming fluid is passing through it.
  • Page 10: Maintenance Guidelines

    Clean internals / strainer of FMTD60-O Visual Inspection for leakages Arresting any other leaks 7.2. Tool Kit: To carry out maintenance of the Forbes Marshall Thermodynamic Trap refer the tools mentioned in the table below. Size Component Tool used and size...
  • Page 11 Following methods can be used to determine the operating condition of a trap and determine if its working properly: Testing traps through visual inspection. Testing traps using temperature gun / equipment. Testing traps using sound/ultrasound. Testing traps through online monitoring. FMTD60-O...
  • Page 12: Troubleshooting

    Troubleshooting: If the expected performance is unachievable after installation of the Forbes Marshall Thermodynamic Trap, check the following points for appropriate corrective measures. Failure Mode Possible Cause Remedy Flush inline drip leg and clean strainer Inlet drip leg or strainer screen is screen.
  • Page 13 The total amount of metal from body seat face removed should not exceed 0.25mm (0.01”). Note: Never attempt to modify the product. When replacing part with new part, use the spare parts listed in Section 9. FMTD60-O...
  • Page 14: Available Spares

    DN15 SPARE-FMTD60O-SDKIT DISC KIT (PACK OF 5 EACH) DISC SCREEN CAP WITH ALLEN KEY HOLE Figure 5: Parts Available as spares (Heavy outline) for FMTD60-O Warranty Period: As per ordering information and agreements in the contract. Forbes Marshall Thermodynamic Trap...
  • Page 15 FMTD60-O...
  • Page 16 Any dissemination, use, review, distribution, printing or copying is strictly prohibited, if you are not the intended recipient or user of this information. Forbes Marshall Pvt Ltd Manufacturing: B-85, Phase II Chakan Indl Area, Sawardari, Chakan Tal.

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