Shaft Seal PS-4265 – Professional-Grade 3/4″ Pump Seal
Product Overview
We supply the PS-4265 shaft seal, an industrial-strength sealing solution specifically engineered for 3/4″ pump shafts. This robust component is essential for maintaining optimal pump performance in your hot tub system.
Key Features
The PS-4265 is manufactured to exacting standards with:
- Heavy-duty Buna rubber seal for superior elasticity
- Precision-engineered carbon ring for enhanced wear resistance
- Professional-grade ceramic mating ring for optimal sealing
- Industrial-strength stainless steel spring mechanism
- Designed specifically for 3/4″ shaft applications
Technical Details
The PS-4265 represents the perfect balance of durability and functionality. The carbon and ceramic interface provides exceptional sealing properties while minimizing friction, ensuring smooth pump operation and extended service life.
Specifications Table
| Specification | Detail |
|---|---|
| Model Number | PS-4265 |
| Shaft Size | 3/4″ (19.05mm) |
| Primary Seal Material | Buna |
| Secondary Seal Material | Carbon Ring |
| Mating Ring Material | Ceramic |
| Spring Material | Stainless Steel |
| Application | Hot Tub Pump Systems |
| Operating Temperature | -20°F to 250°F |
| Maximum Pressure | Up to 75 PSI |
| Compatible With | Standard 3/4″ Shaft Pumps |
Installation Compatibility
The PS-4265 shaft seal is designed for universal compatibility with most major pump brands utilizing 3/4″ shafts. This versatility makes it an ideal replacement component for a wide range of hot tub pump applications.
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
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Shaft Seal, 3/4" Shaft, Viton 201 | 201V | 186 in stock | $12.03 | Add to cart |
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Shaft Seal, 201, 3/4" Shaft, Buna | AS-066H | 101 in stock | $7.22 | Add to cart |
![]() |
Shaft Seal, PS-1902, 3/4" Shaft, Silicon Carbide PS-201 | PS-1902 | 23 in stock | $75.48 | Add to cart |
Maintenance Recommendations
To ensure optimal seal performance:
- Check shaft for scoring or damage before installation
- Verify proper shaft runout
- Install both seal components simultaneously
- Maintain proper lubricant levels
- Regular inspection for signs of wear









