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The picture shows a Cartridge seal assembly, SL Pro III, 72158494

Cartridge seal assembly, SL Pro III, 72158494

KMT part number: 72158494


This seal cartridge assembly, also known as a seal canister assembly, is for use with KMT 90,000 psi (6,000 bar) PRO III waterjet pumps with a 60 or 125 horsepower rating. It is 100% interchangeable with the seal assembly KMT has trademarked as the, seal assembly, SUPRAlife. If is for use with .875 plunger diameters.

This seal cartridge assembly was previously registered under U.S. Patent # 6,802,541, U.S. Patent # 7,247,006 and U.S. Patent # 7,568, 424. These patents have now expired and are no longer applicable to this item.

Article number: 11874

Key Features & Benefits

  • Exact fit for KMT PRO III Waterjet Pumps: Engineered to match the original KMT specifications for seamless compatibility and easy installation.

  • High-Pressure Seal Reliability: Provides secure sealing in high-pressure environments, minimizing internal leakage and maintaining stable pump performance.

  • Interchangeable with SUPRAlife Seals: Fully compatible with the KMT trademarked SUPRAlife seal assembly, allowing flexibility in maintenance and parts replacement.

  • Designed for .875″ Plunger Diameters: Ideal for waterjet systems using standard .875″ plungers on PRO III models.

  • Industry-Trusted Component: Previously covered by multiple patents (now expired), reflecting its proven engineering and long service history. 

Why Choose This Seal Cartridge Assembly

A high-quality seal cartridge assembly is critical to maintaining optimal waterjet pump efficiency and longevity. This component prevents pressure loss, reduces wear, and supports consistent cutting performance in demanding industrial applications.

Technical Specifications

  • Part Number: 72158494 / Article No. 11874

  • Compatible Pumps: KMT PRO III, 90,000 psi (6,000 bar)

  • Power Rating: 60 hp / 125 hp

  • Plunger Diameter: .875″