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  BQFD™  

The AESSEAL® BQFD™ range of single cartridge mechanical seals uses many of the same modular parts as a BSIV™ but has the added features of Quench and Drain making it usable in more diverse applications.
The seal is offered with the following features:
 
Flush, Quench and Drain environmental port options
Alloy C276 wetted parts available
Cartridge design unit for reliable installation
Hydraulically balanced seal face design
No shaft fretting
12 convolute bellows as standard
Sizes available: Ø1.000” - 4.000” (24mm - 100mm)

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