Bellows Single Cartridge Seal
(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)