Overview
The John Crane 5610 seal is a single cartridge o-ring pusher seal designed for straightforward replacement in existing seal chambers. The 2.165″ (55mm) size accommodates mid-range pump shafts and offers easy, quick installation while improving rotating equipment performance. Model M151309 represents the standard configuration and is compatible with ANSI, ISO and DIN seal chambers.
Key Features
- Incorporates an elastomer O-ring as the secondary sealing member
- Reversible seal head/mating ring set allows rotating seat or rotating seal head operation and is interchangeable with metal bellows seal heads
- Non-clogging wave spring outside the product
- Optimized primary ring design for greater reliability
- Fully compliant with NSF-61 standards for clean drinking water services
Technical Specifications
- Operating Temperature: -20°F to 400°F (-30°C to 205°C)
- Pressure Rating: up to 3.000″ / 75mm: 300 psi(g) / 21 bar(g) max; 75mm and over: 200 psi(g) / 13 bar(g)
- Seal Size: 2.165″ (55mm nominal)
- Part Number: M151309
- Seal Type: Single cartridge o-ring pusher
- O-ring Material: Elastomer (standard)
- Primary Ring Options: Carbide or Silicon Carbide available
- Installation: Cartridge design fits standard seal glands
Typical Applications
The John Crane 5610 series is used in chemical processing pumps, refinery equipment, water treatment systems, HVAC chillers, and general industrial centrifugal pumps. Standard operation assumes stable conditions at indicated speeds in clean, cool, lubricating, nonvolatile liquid with adequate flush rate. The seal’s universal design makes it suitable for retrofits and new equipment builds where seal chamber conformance to ANSI, ISO, or DIN standards is required.
Compatibility & Replacements
Compatible With
- ANSI pump seal chambers
- ISO pump seal chambers
- DIN pump seal chambers
- Rotating equipment with 2.165″ shaft nominal
- Systems requiring single seal o-ring pusher configuration
Replaces / Drop-In Replacement For
The Type 5610 series cartridge replaces other Type 5600-series seals in existing installations. Verify compatibility with your pump manufacturer or engineering team for model-specific clearance confirmation. The reversible seal head/mating ring set is interchangeable with metal bellows seal heads in compatible chambers.
Works With
- John Crane Type 5610, 5610Q (quench gland), 5610L (lip seal gland) variants
- Flush piping systems (external and pressurized options)
- Quench cooling arrangements
- ANSI, ISO, DIN compliant equipment specifications
