Shaft Seal, PS-961, 5/8″ Shaft, Buna, Carbon Face | PS-961
$11.15
| Manufacturer part number | PS-961 |
| UPC (GTIN) | 852661157438 |
| Returns | 30-day returns – see our returns policy |
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Shaft Seal PS-961 – Professional 5/8″ Carbon Face Seal
Product Overview
We supply the PS-961 shaft seal, a precision-engineered sealing solution for 5/8″ pump shafts. This professional-grade component offers superior sealing capabilities with its advanced carbon face design.
Key Features
The PS-961 incorporates premium components:
- High-quality Buna rubber seal
- Advanced carbon ring face for enhanced durability
- Professional-grade ceramic mating ring
- High-tension stainless steel spring
- Optimized for 5/8″ shaft applications
Technical Details
The PS-961 represents an upgrade from the standard PS-1000 model, notably featuring a superior carbon ring construction instead of the basic molded plastic ring. This enhancement significantly improves seal longevity and performance under demanding conditions.
Specifications Table
| Specification | Detail |
|---|---|
| Model Number | PS-961 |
| Shaft Size | 5/8″ (15.875mm) |
| Primary Seal Material | Buna |
| Face Material | Carbon Ring |
| Mating Ring Material | Ceramic |
| Spring Material | Stainless Steel |
| Temperature Range | -20°F to 250°F |
| Maximum Pressure | Up to 75 PSI |
| Rotational Speed | Up to 3600 RPM |
| Design Type | Single Spring |
Installation Compatibility
The PS-961 shaft seal is engineered for broad compatibility with standard 5/8″ shaft pump systems. Its universal design makes it an ideal replacement component across multiple pump manufacturers and models.
Performance Benefits
- Enhanced sealing efficiency with carbon face technology
- Improved wear resistance compared to plastic ring models
- Optimized spring tension for consistent performance
- Superior resistance to typical hot tub chemicals
- Extended operational lifespan
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Maintenance Guidelines
To maximize seal performance:
- Inspect seal faces for damage before installation
- Ensure proper shaft alignment
- Clean all mating surfaces thoroughly
- Follow correct installation procedures
- Regular monitoring for signs of wear
| Pump Model | A Series, Americana II, Aquaheat, Aquaheat Plus, Booster Pump, Bronze, Center Discharge Pump, CF/CFA Series, CF6, Champion, Dominator Pre 1995, Eagle, Executive 48, Executive 56, HiFlo, HiFlo II, Hydro Power Pump, IntelliFlo, IntelliFlo VF, IntelliFlo VS + SVRS Before 6/2016, IntelliFlo VS Before 2019, Iron Might, Magnaflow, Maverick, Maxim, Mustang/Workhorse, Spa Flo, Spa II, Spa Master, SVL56, Ultra-Flo, WhisperFlo, Workman |
|---|---|
| Shaft Seal Head Type | B |
| Pump Manufacturer | Acura Spa, American Products/Pentair, AquaFlo/Gecko, AquaFlo/Val-Pak, Hydro-O-Dynamic, Letro/Pentair, Pentair, Premier Spring Water, Sonfarrel/Martec, Sta-Rite/Pentair, Waterway |
| Quality/Material | Carbon Face, Good – Buna |
| Shaft Size | 5/8" |
| Seal Outside Diameter | 1-7/16"dia |
| Seal Height | 25/32" |
| Mating Ring Diameter | 1-9/32"dia |
| Mating Ring Thickness | 13/32" |
| US Seal Basic Equivalent | PS-1000 |
| H Part# | 35-423-1096 |