Shaft Seal, Pentair, 3/4″ Shaft, Buna | 37400-0027S
$26.47
| Manufacturer part number | 37400-0027S |
| UPC (GTIN) | 788379724689 |
| Returns | 30-day returns – see our returns policy |
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Pentair 3/4″ PS-851 Shaft Seal | Model 37400-0027S
Product Overview
We supply this specialized PS-851 shaft seal designed for 3/4″ Pentair pump applications. This professional-grade seal features a distinctive carbon ring construction and Buna elastomer, engineered for enhanced performance compared to standard PS-201 configurations.
Key Features and Benefits
- Premium carbon ring construction
- Precision 3/4″ shaft design
- Quality Buna elastomer components
- Advanced sealing technology
- Stainless steel spring assembly
- Superior wear characteristics
- Enhanced durability
Technical Specifications
| Specification | Detail |
|---|---|
| Model | 37400-0027S |
| Series | PS-851 |
| Shaft Size | 3/4 inch |
| Elastomer Type | Buna |
| Face Material | Carbon Ring |
| Mating Ring | Ceramic |
| Spring Material | Stainless Steel |
| Maximum Temperature | 230°F (110°C) |
| Maximum Pressure | 150 PSI |
| Design Type | Professional Grade |
🔧 Parts and fittings for this
| Part | Our part number | Availability | Price | ||
|---|---|---|---|---|---|
 |
Shaft Seal, 201, 3/4" Shaft, Buna | AS-066H | 101 in stock | $7.22 | Add to cart |
 |
Shaft Seal, 3/4" Shaft, Viton 201 | 201V | 186 in stock | $12.03 | Add to cart |
Installation and Maintenance
Professional installation ensures optimal seal performance. The ceramic mating ring must be installed with uniform pressure, and the carbon ring face must be thoroughly cleaned before assembly. Proper alignment is crucial for maximum seal life.
Compatibility
Engineered for use with:
- Pentair 3/4″ shaft pumps
- Professional installations
- Heavy-duty applications
- Commercial systems
Performance Features
Designed to deliver:
- Enhanced sealing efficiency
- Superior wear resistance
- Improved durability
- Consistent performance
- Extended service life
- Professional-grade reliability
Note: Always verify seal compatibility with your specific Pentair pump model before installation
| Pump Model | DJ Series, Dyna-Glas/Dyna-Max, Dyna-Glas/Dyna-Max After June 2000, JS Series, JT Series, JW Series After 2001, JWPA Series After 2001, Max-E-Glas II/Dura-Glas II |
|---|---|
| Shaft Seal Head Type | A |
| Pump Manufacturer | Sta-Rite/BWG, Sta-Rite/Pentair |
| Quality/Material | Carbon Face, Good – Buna, Good – Buna Graphitic Plastic |
| Shaft Size | 3/4" |
| Seal Outside Diameter | 1-11/32"dia |
| Seal Height | 13/16" |
| Mating Ring Diameter | 1-3/8"dia |
| Mating Ring Thickness | 13/32" |
| US Seal Basic Equivalent | PS-201, PS-851 |
| H Part# | 35-102-1406 |