Dual cartridge seal in compliance with standard API 682 4th edition face-to-back.

COMPONENT KEY

1. Stationary ring
1a. Stationary ring
2. Integral rotary ring
2a. Integral rotary ring
9. Rotary ring gasket
9a. Rotary ring gasket
10. Stationary ring gasket
10a. Stationary ring gasket
11a. Sleeve gasket
13. Springs
24. Flange gasket

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Description

For polluting or dangerous processes for the operator and the environment, regulations require double mechanical seals lubricated with a fluid.
The level of danger will determine the choice of pressurized flushing with barrier fluid (BM6D) or non-pressurized flushing with buffer fluid (BM6T).
The BM6T/D seal represents one of the ZERO emission solutions, for medium pressure applications, presented in this catalogue.
The BM6T/D model is the result of the standardization of a series of projects tested and created in accordance with the API 682 IV edition standard.

  • “Dual” balanced “reverse pressure” double cartridge solution, i.e. hydraulically sized to accept the possible inversion of pressure on the process/seal side;
  • Multiple springs for double direction of rotation;
  • Monolithic sealing rings;
  • Tested and unique rotating ring drive system, designed to maintain efficiency even in the event of vibrations, misalignments and wear of the sealing rings;
  • Flushing, washing and/or drainage connections;
  • Flange and shaft sleeve designed to customer specifications;
  • Solution developed to provide installations on existing machines;
  • Recommended for API 610 horizontal and vertical pumps.
DIAMETER SPEED PRESSURE TEMPERATURE
20-110 (mm) 0-23 (m/sec) Vacuum ÷ 20 (bar g) -40 ÷ 176 (°C)
(*) Inch dimensions are available upon request.
The maximum values are determined by the specific combination of operating conditions.
For further details, please contact us.

Additional information

Category

API 682, Double Pusher

Market

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Application

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Certification

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