Bellows Single Cartridge Seal

The BQFD™ (Bellows Quench Flush Drain) range of single cartridge mechanical seals uses many of the same modular parts as a BSIV™ single seal but incorporates Quench, Flush and Drain connections making it suitable for more diverse applications.

Features:

  • 12 bellows convolutions as standard
  • Alloy 276 standard bellows material
  • Cartridge design for reliable installation
  • Quench, Flush and Drain environmental port options
  • Hydraulically balanced seal face loading, which maximizes seal life and allows for vacuum service capability
  • Modular construction for maximum flexibility
  • BQFD™ sizes available from 1.000" to 5.000" (24mm - 125mm)

Suitable for the following industries

ATEX Certified

ATEX Certified

ATEX Category 2 (Zone 1/21)
Category 3 (Zone 2/22)