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™ but has the added features of Quench and Drain, making it usable in more diverse applications.

Features:

  • Cartridge design for reliable installation
  • Hydraulically balanced seal face loading, which maximizes seal life and allows for vacuum service capability
  • The BQFD™ range has quench flush and drain ports with optional restriction bush (BQFD-R)
  • BQFD™ sizes available from 1.000" to 5.000" (24mm - 125mm)

ATEX Certified

ATEX Certified

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

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