SPW-515 – Stationary Pusher Wet Double Cartridge Seal
SPW-515 – Stationary Pusher Wet Double Cartridge Seal
The SPW-515 by HydroMax Seal is a multi-spring, hydraulically balanced double cartridge stationary seal designed with barrier fluid quench and drain ports and secondary O-ring seals for enhanced reliability in demanding applications.
This Stationary Pusher Wet (SPW) Double (515) Cartridge Seal features shrink-fitted seal faces and is engineered for use with parallel rotating equipment shafts. The design includes multi-springs for consistent face loading and a set screw-driven cartridge configuration. The gland also integrates a flush connection for seal support systems.
The seal is factory assembled and tested to ensure performance and ease of installation.
Product Description
Key Design Features
- Stationary Seal with Self-Aligning Seal Faces: Compensates for angular misalignment between shaft and pump seal chamber face.
- Large 3/8″ NPT Ports: Standard flush, quench, and drain ports for easy integration.
- Cartridge Design: Pre-set seal faces eliminate operator error in face load adjustment.
- Multi-Spring Construction: Even distribution of face loading for optimal sealing.
- Versatile Material Options: Available in a wide range of seal face combinations to meet varied application needs.
- Factory Assembled & Tested: Ready for installation out of the box.
Technical Specifications
- Seal Shaft Sizes: 20 mm – 150 mm (1.000″ – 6.000″)
- Inboard Seal Face Combinations:
- Carbon / Tungsten Carbide (Car/TC)
- Carbon / Silicon Carbide (Car/SiC)
- Tungsten Carbide / Tungsten Carbide (TC/TC)
- Tungsten Carbide / Silicon Carbide (TC/SiC)
- Silicon Carbide / Silicon Carbide (SiC/SiC)
- Outboard Seal Face Combinations:
- Carbon / Tungsten Carbide (Car/TC)
- Carbon / Silicon Carbide (Car/SiC)
- Gasket Material: GFT
- Elastomer Options: Viton, ERP, Aflas, Kalrez
- Maximum Shaft Speed: Up to 20 m/s
- Process Fluid Pressure Rating: Up to 20 Barg
- Barrier Fluid Pressure Rating: Up to 16 Barg (232 psig) – shaft size specific
- Pipework Compatibility: Plan 52 and Plan 53 systems
- Temperature Rating: Up to 180°C
Important Notice
⚠️ Warning: The performance characteristics provided represent typical limits for each variable independently. These values should not be combined without technical verification. For assistance with your application, please contact the HydroMax Seal Technical Sales Department.
