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.
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 brush (BQFD-R)
BQFD™ sizes available from 1.000" to 5.000" (24mm - 125mm)