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JOHN CRANE MECHANICAL SEALS |
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 John Crane 37FSB - High Duty, Balanced Split Elastomer Bellows Seal For Agitators, Mixers and Pumps
The Type 37FSB fully split seals contribute to significantly reduced maintenance on
larger, difficult-to-seal equipment. They are recommended for use on heavy
duty, packed equipment that previously could not accommodate mechanical seals because of severe
vibration, difficulty to disassemble, and similar problems.
Type 37FSB seals are outside mounted and can be used on vertical and horizontal
applications.
For use in larger rotating shaft equipment mixers, agitators, pumps.
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For use in pulp and paper pumps, food and beverage mixers, power generation pumps, pharmaceutical slow-running mixers, wastewater treatment raw sewage pumps and mining slurry pumps.
Type 37FSB seals are repairable easily and quickly on-site or at any John Crane Seal Rebuilding Center, with genuine John Crane factory-specified replacement parts. This unique feature minimizes replacement costs and production downtime.
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Quick specs
| Temperature |
+82°C/+180°F |
| Pressure |
14 bar g/200 psig maximum |
| Speed |
1800 rpm maximum |
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Features
Easy Installation Fewer parts and simple design allow for easy
installation. Seal can be readily mounted on worn shafts and on out-of-square stuffing
boxes. No modification of equipment is needed.
Solves Movement Problems Type 37FSB solves vibration problems that prohibit use of other seal
designs. Unique compression ring provides extreme flexibility. Shaft
deflections, angular misalignments, and runouts are tracked by the seal without diminishing performance.
Self-Aligning Rotating assembly of this new generation split
seal, self-aligns square with the shaft for true running under varying
conditions.
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