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U SER INS T RU C TION S
Installation
Operation
Maintenance
682-53B System
Experience In Motion

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Summary of Contents for Flowserve 682-53B System

  • Page 1 U SER INS T RU C TION S Installation Operation Maintenance 682-53B System Experience In Motion...
  • Page 2: Table Of Contents

    1.5 Use of alerts and icons All information (including illustrations) in this manual is subject Safety to change without prior notice. Flowserve does not accept any 2.1 682-53B hazards liability for any instance of damage or malfunction through 2.2 General safety non-adherence to these instructions.
  • Page 3: Introduction

    NOTE: As hazardous conditions can result from planned 1.4 Conformity with norms and directives as well as unforeseen circumstances, pressurized The 682-53B system conforms to the following norms equipment shall always be operated with caution. and directives (if applicable): Before installation, equipment should always be fully •...
  • Page 4: Use Of Alerts And Icons

    682-53B System 1.5 Use of alerts and icons This manual uses “Notes”, “Cautions”, “Warnings”, and “Dangers” to alert you of important information and dangerous situations. These alerts (from the least severe to the most severe) are: NOTE: “Notes” inform you of important additional information.
  • Page 5: Safety

    • Knowledge of accident prevention regulations • Dangerous moving parts (during installation) • Knowledge of plant regulations and operating conditions If the 682-53B system has any external leaks, you must stop the system immediately and have the leak repaired by qualified personnel.
  • Page 6: Personal Protective Equipment (Ppe)

    682-53B System 2.4 Personal protective equipment (PPE) The 682-53B is often used for applications containing high-pressure, dangerous and/or toxic chemicals. When operating or maintaining this system, make sure you wear the appropriate PPE: protective clothing, gloves, safety glasses, etc. Always follow local regulations regarding PPE.
  • Page 7: Environmental Considerations

    682-53B System 3 Environmental Considerations CAUTION: You are required by law to dispose of waste products and end of life equipment, according to local regulations. 3.1 Disposing of waste products Any waste products resulting from the use or maintenance of the 682-53B must be disposed of according to local environment laws and regulations.
  • Page 8: Design Overview

    682-53B System 4 Design Overview 4.1 Purpose of 682-53B • Prevents a dual pressurized seal from leaking process media to atmosphere by circulating a pressurized barrier fluid over the mechanical seal. • A bladder accumulator is applied to isolate the nitrogen from the barrier fluid and establish a higher pressure than in the seal chamber.
  • Page 9: P & Id

    682-53B System 4.3 P & ID In each 682-53B drawing a P & ID is included, showing the components and piping flow. For the dedicated P & ID, refer to GA drawing in the appendix. Figure 1: Typical schematic overview SSIOM000742-00 (EN/AQ) November 2022 Flowserve.com 9...
  • Page 10: Parts

    682-53B System 4.4 Parts Standard parts Number Part Function Stores energy, contains pressurized barrier fluid for lubricating and cooling a Bladder accumulator pressurized dual mechanical seal Used for cooling the fluid. Three types are available: water cooler, finned tube/ Seal cooler pipe and forced draft air (size depends on the operating conditions).
  • Page 11 682-53B System Optional parts (parts can be configured as option) Number Part Function Hand pump Used to refill barrier fluid CSA heated accumulator Used to insulate and heat bladder accumulator to reduce pressure fluctuations blanket due to temperature changes Floating alarm...
  • Page 12: Theory Of Operation (Typical System)

    4.6 Identifying the product (nameplate) • The barrier fluid is captured in a closed loop. An integral The nameplate is, as per Flowserve standard, shown in the pumping device circulates the barrier fluid through the GA drawing.
  • Page 13: Transport And Storage Requirements

    Systems that have been dropped, or have been subjected to heavy impacts during transport, transportation must not be installed. The Flowserve representative shall be contacted. The warehouse must be dry and dust free. The system should not be exposed to large Warehouse requirements temperature fluctuations, high humidity or radiation and shall be stored in the original box.
  • Page 14: Installation

    Before installing the system, make sure you have read and understood the Installation requirements in this section. If you have any questions regarding the installation of your system, contact your local Flowserve representative. 6.2 Installation requirements 6.2.1 Safety considerations Position the 682-53B as close to the seal as possible.
  • Page 15: System Seal Cooler Mounting Height

    If any of the components are damaged, it shall (16.4 ft) in length per API 682 8.2.5. be reported to the Flowserve representative. • Unless otherwise specified, the pipe size shall be 0.75 2. Determine the installed position of the system. Refer to in.
  • Page 16 • Drain: Connect the “drain connection” to a drain or a available lifting lugs on the 682-53B, to position disposal point. Depends on the configuration of the the 682-53B system as close as possible to the 682-53B. mechanical seal. Make sure you leave sufficient room •...
  • Page 17 682-53B System DANGER – EXPLOSION RISK: Static electricity can build up and ignite flammable vapors. The system must be correctly earthed to minimize the risk of explosion caused by static electricity. 8. Make sure the installation is correctly earthed to prevent the risk of explosion, caused by static electricity.
  • Page 18: Operation

    Procedure Refer to the GA drawing(s) in the appendix for the correct NOTE: A 682-53B system is not self-venting. Any air setting.considered. trapped in the barrier fluid will have a negative effect on the performance of the seal. During system set-up venting ú...
  • Page 19: Start Up System

    3. If a forced draft air cooler is installed, make sure the Use this procedure to monitor the system. motor is electrically connected and the fan is rotating in correct direction (check rotation arrow). Flowserve Procedure recommends to use a soft starter for the electric motor 1.
  • Page 20: Shut Down System

    682- 53B system is not protected 4. The 682-53B system should be refilled once low against overpressure. If the return line is closed, a barrier pressure has been reached. An alarm must be water line could burst.
  • Page 21: Maintenance

    682-53B System 8 Maintenance 8.3 Check barrier fluid pressure Use this procedure to check the barrier fluid pressure. 8.1 Introduction NOTE: The barrier fluid pressure can be checked while Periodic maintenance must be done at regular intervals the seal pump is running.
  • Page 22: Refill Barrier Fluid

    3. De-pressurize the equipment, according to plant Procedure regulations. ú WARNING – HOT SURFACES: The system and 4. De-pressurize the 682-53B system, and open the drain STOP surrounding surfaces might be hot. Take care valve. when touching components. Wear the appropriate...
  • Page 23: Check Accumulator Pressure

    3. De-pressurize the equipment, according to plant system. Wear PPE. Follow all safety regulations and regulations. Plant regulations. 4. De-pressurize the 682-53B system, and open the drain 5. Drain the 682-53B system. valve. 6. Check all components for damage or leaks and replace ú...
  • Page 24: Charge Accumulator

    5. Attach the charge unit to the accumulator. Refer to vendor documentation in the appendix for information 2. De-pressurize the 682-53B system, and open the drain on the charge unit and accumulator. valve. 6. Check the pressure gauge of the accumulator. Refer DANGER –...
  • Page 25 682-53B System ú WARNING – HIGH PRESSURE: The accumulator can STOP burst if it is over pressurized. Fill the accumulator slowly; check the pressure gauge regularly. 6. Fill the accumulator with N until the required pressure that is related to the ambient temperature, is reached.
  • Page 26: Troubleshooting

    Slow reduction of pressure is normal over time. 3. In a combined 682-53B system, one system is used for two seals. Additional block valves are installed to help determine which inner seal (drive end or free end) is leaking.
  • Page 27: Spare Parts

    • Flowserve uses SPIR lists with parts to be procured at Flowserve, that can be used for exchange when defect. Contact a Flowserve representative for a SPIR list of the system.
  • Page 28: Appendix

    682-53B System 11 Appendix 11.1 System logbook Copy and use this logbook to record periodic or corrective maintenance done on your system. Use the following codes and enter remarks, the date, and your name: Code Remarks Date Name W = weekly...
  • Page 29: Ga Drawings

    682-53B System 11.2 GA drawings NOTE: Please see following inserted page(s): SSIOM000742-00 (EN/AQ) November 2022 Flowserve.com 29...
  • Page 30: Vendor Documentation

    682-53B System 11.3 Vendor documentation NOTE: Please see following inserted page(s): SSIOM000742-00 (EN/AQ) November 2022 Flowserve.com 30...
  • Page 31 Headquarters Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this Flowserve product is designed to perform its intended function safely during its Flowserve Corporation useful life. However, the purchaser or user of Flowserve products should be aware that Flowserve products might be used in numerous applications under a wide variety of industrial service conditions.

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