PS-163 Professional Hot Tub Pump Seal

Precision Mechanical Seal for 1/2″ Shaft Applications

As a retailer of hot tub spare parts, I present the PS-163 – a specialized mechanical seal engineered for smaller diameter shaft applications requiring precise sealing performance.

Product Overview

The PS-163 is a meticulously engineered mechanical seal designed specifically for 1/2″ shaft applications. This compact yet robust seal provides reliable protection while maintaining optimal pump performance in specialized configurations.

Key Features

• Compact precision design
• High-tolerance machining
• Self-adjusting mechanism
• Spring-loaded assembly
• Chemical-resistant construction
• Optimized service life
• Auto-alignment capability
• Specialized dimensions

Performance Benefits

• Precise sealing action
• Minimal maintenance needs
• Continuous self-adjustment
• Steady sealing pressure
• Reliable operation

Technical Specifications

Specification	Detail
Model Number	PS-163
Shaft Size	1/2 inch
Seal OD	1.125 inch
Seat OD	1.00 inch
Elastomer Options	Buna/Viton
Application	Hot Tub/Spa Pumps
Type	Mechanical Spring Seal
Face Material	Carbon/Ceramic
Spring Material	Stainless Steel
SKU	PS-163

Installation Features

Designed for precise service:

• Exact dimensional control
• Installation alignment guides
• Clear orientation markers
• Specific compatibility
• Professional installation

Material Properties

Manufactured with:

• Chemical-resistant materials
• Temperature-stable components
• Durable sealing faces
• Corrosion-resistant spring
• Selected elastomers

Application Uses

Specifically designed for:

• 1/2″ shaft pumps
• Specialized applications
• Precision requirements
• Replacement service
• Maintenance upgrades

Technical Considerations

Critical installation factors:

• Surface preparation
• Exact alignment
• Proper orientation
• Complete seating
• Specific lubrication

Quality Assurance

Production ensures:

• Strict tolerance control
• Material consistency
• Performance testing
• Quality verification
• OEM compliance

The PS-163 pump seal represents specialized sealing technology for specific 1/2″ shaft applications. Its precise engineering and quality construction provide reliable sealing performance in pumps requiring these particular dimensions. The seal’s professional-grade materials ensure dependable operation in demanding hot tub environments.

Alternate Part Numbers

 

• 1-05-0401