The BSFG™ (Bellows Single Full Graphite) cartridge seal is specifically designed to eliminate the costly and often long lead-time issues of exotic elastomer compounds. This seal features graphite rings at every primary sealing surface, eliminating the need for elastomers.

The hydraulically balanced bellows unit is available in a variety of different material options with either elastomer or graphite packing sealing rings.

• Full graphite seal for high temperature or corrosive chemical applications
• Fits pumps with thin radial seal chamber cross-sections
• Quench, flush and drain ports for cooling or heating options to maximize seal life
• cartridge design for ease of installation
• Sizes available from 1.000″ to 4.000″ (24mm – 100mm) in standard and ANSI Plus gland formats