Single Cartridge Seal: SPW682-131
Single Cartridge Seal: SPW682-131
HydroMax Seal SPW682-131 | API682 Stationary Cartridge Seal for Plan 31 Systems
The SPW682-131 is a single-cartridge mechanical seal designed to comply with API 682 specifications, specifically for Plan 31 systems in API 610 V8+ process pumps. Built to handle process fluids containing suspended particles, it features integrated vortex breakers and a dual-restriction bush setup to maintain system integrity in demanding oil and gas applications.
Product Description
Design Features
- Flush orifice for Plan 31 systems: Prevents ‘shot blasting’ of the stationary face by directing fluid correctly when handling particulate-laden liquids
- 1/2″ NPT port connections for large flow capacity
- Quench and Drain orifices for Plan 62/52 with integral deflector for optimal fluid direction
- Gland plate with vortex breakers for turbulence control and particle management
- Compliant radial clearances per API 682 for improved seal face alignment
- Monolithic seal faces for thermal performance and face integrity
- Self-aligning stationary design to accommodate shaft-to-chamber misalignment
- Multi-spring design with springs isolated from process fluid for longevity
- Dual outboard restriction bush: Segmented and floating for superior safety and reliability
- Compatible with HydroMax Cyclone Separator systems and sample pots for Plan 31
Supply/Design Characteristics
- Seal Shaft Sizes:
ALL - System Vessel Size:
12L and 28L - Inboard Seal Face Combinations:
TC/TC, Car/TC, Ant.Car/RB SiC - Gasket:
Spiral Wound Stainless Steel, Graphite - Secondary Sealing Materials:
Viton, Alfas, ERP, Kalrez - Shaft Speeds:
up to 4,000 rpm - Pressures:
up to 40 Barg - Temperatures:
up to 150°C - Instrumentation:
Compatible with Plan 31 piping systems
Note:
Performance limits are listed for each parameter independently. Do not exceed multiple maximum values simultaneously without consulting a technician.