Seal Assy, U.S Seal, 1-1/4″ Shaft 1-3/4 Seat od, Buna | PS-978

1-1/4″ Shaft Mechanical Seal with 1-3/4″ Seat

Product Overview

We supply this professional-grade U.S. Seal mechanical seal assembly, engineered for 1-1/4″ shaft applications. This Buna-fitted seal ensures reliable shaft sealing and optimal pump performance.

Technical Specifications

Engineering Features

• Precision-lapped seal faces
• Spring-loaded design
• Buna elastomer components
• Self-aligning seat
• Balanced seal design
• Anti-rotation devices
• Superior face finish

Performance Characteristics

• Maximum Temperature: 220°F
• Pressure Rating: Up to 150 PSI
• Chemical Compatibility: Water, mild chemicals
• Running Speed: Up to 3600 RPM
• Service Life: Extended operation
• Seal Face Loading: Optimized spring tension

Design Benefits

• Superior leak protection
• Extended seal life
• Reduced maintenance
• Improved reliability
• Enhanced performance
• Quiet operation
• Easy installation

Applications

• Centrifugal pumps
• End suction pumps
• Split case pumps
• Vertical pumps
• Process pumps
• Water circulation systems

Installation Features

• Pre-assembled unit
• Self-aligning design
• Standard dimensional fit
• No special tools required
• Clear installation markers
• Complete seal assembly

Material Properties

• Buna elastomer components
• Ceramic seal face
• Carbon mating ring
• Stainless steel spring
• Corrosion-resistant hardware

Product Identification

SKU: PS-978 Categories: Pump Parts

This U.S. Seal mechanical seal assembly is manufactured to precise specifications, ensuring reliable sealing performance and extended service life in demanding pump applications