Mechanical Seal BM6D-T

Mechanical Seals API 682 4° Edition





Dual cartridge seal in compliance with standard API 682 4th edition face-to-back.
Available for flushing with pressurised liquid (BM6D) or non-pressurised liquid
(BM6T). Seals widely used and appreciated thanks to their sturdiness and capability of
withstanding high mechanical stress. Designed with dual reverse pressure and therefore
to work with plan 52 or 53.

20 – 110 (mm)0 – 23 (m/sec)0 – 20 (bar g)-40 – 176 (°C)
(*) for measurements in inches, please contact our technical sales office.

• Standard solution resulting from tested designs and made in compliance with
standard API 682 4th edition
• The balanced dual cartridge solution is ideal for arrangement 2 and 3 with auxiliary
fluid at atmospheric pressure (buffer) BM6T or pressurised (barrier) BM6D
• Reverse pressure balanced cartridge seal, hydraulically sized to accept the greater
reverse pressure in case of accident
• Dual direction of rotation
• Solid sealing rings
• Drive system with three “Fluiten designed spine” recognised as being the only one
reliable and resistant to vibrations and shaft misalignments
• Connection for flushing or vent and IN-OUT for auxiliary liquid
• Uniform distribution system of multipoint injection flushing
• Efficient circulation device of the auxiliary liquid
• Possibility of sizing the shaft flange and sleeve according to customer request
• Recommended for API horizontal and vertical pumps


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