SISS & SISR is Modular range of stationary cartridge mechanical seals for general applications in all industry sectors.

• High-integrity drive design features for improved reliability and seal life
• Supplied with Quench, Flush and Drain ports as standard
• Optional modular restriction bush (SISR™) supports Plan 62 allowing control of the seal environment, maximizing seal life
• Hydraulically balanced seal face technology for reduced power consumption
• Non-shaft-fretting sleeve elastomer and positive set screw drive
• Multiple spring seal-face loading
• Stationary design suitable for high speed applications
• Sizes available from 1.000” to 3.375” (24mm – 85mm) in standard and ANSI Plus gland formats