Overview
The John Crane 2.125 5610 is a universal single cartridge mechanical seal engineered for pump and rotating equipment applications. As a single cartridge o-ring pusher seal, the 5610 series combines modular design with proven sealing performance across a wide range of operating conditions. The 2.125-inch designation indicates the shaft or sleeve outside diameter for which this cartridge is sized. This used unit is fully functional and ready for immediate deployment in centrifugal pump, gear pump, or similar rotating machinery.
Key Features
- Incorporates an elastomer O-ring as the secondary sealing member for reliable, long-lasting performance
- Type 5600 Series components are interchangeable, enabling single seal family application across multiple equipment types
- Universal cartridge design simplifies maintenance and reduces spare parts inventory
- Fully compliant with NSF-61 standards for clean drinking water services
- Reversible common seal head/mating ring set allows rotating seat/mating ring or rotating seal head operation
- Suitable for both standard and enlarged seal chamber configurations
Technical Specifications
The Type 5610 accommodates multiple seal arrangements and configurations for diverse application requirements.
Typical Applications
- Centrifugal pump sealing (end-suction, split-case, vertical turbine)
- Gear pump and positive displacement pump applications
- Process fluid handling systems in chemical, refining, and water treatment
- Pulp and paper industry rotating equipment
- General industrial pump sealing where modular seal design is preferred
- OEM and aftermarket replacement for comparable John Crane installations
Compatibility & Replacements
Compatible With
- John Crane seal glands and support systems designed for Type 5600 series
- Standard and enlarged seal chamber pump configurations
- NSF-61 compliant water service systems
- API 682 Category 1 dual seal arrangements (5610Q variant)
Replaces / Drop-In Replacement For
- Type 5610 2.125-inch bore configurations per H-SP-39034 cartridge drawing
- Type 5610Q 2.125-inch arrangements per H-SP-39035 cartridge drawing
- Previous generation single seal cartridges of equivalent size and pressure rating
Works With
- John Crane Type 5610 series variants: 5610, 5610Q, 5610L, 5610P, 5610D, 5610VL
- Seal arrangements requiring single O-ring pusher configuration
- Installations supporting modular Universal Cartridge Seal family philosophy
- 3/8-inch NPT standard pipework connections for flush, drain, and quench ports
