Product Name: Dynamic Seal Assembly (Part No. 302950)

Description:
This component is a dynamic seal assembly, specifically designed for the high-pressure intensifier pump in OMAX and AccuStream waterjet cutting systems . It is a pre-assembled kit of consumable sealing components that provide a leak-tight dynamic seal between reciprocating surfaces within the pump assembly.

The kit includes three components: (1) dynamic seal (P/N 302951) – a gray elastomeric sealing ring, (1) O-ring (P/N 201707), and (1) O-ring (P/N 200377) . These components work together to prevent high-pressure water bypass and maintain system pressure integrity. The dynamic seal has approximate dimensions of 0.57 inches outer diameter (OD) and 0.311 inches inner diameter (ID) .

Applications:

• Provides dynamic sealing between reciprocating components in waterjet intensifier pumps 

• Used in OMAX EnduroMAX, OMAX Maxiem, and OMAX V-pump systems

• Suitable for ultra-high pressure waterjet systems operating at 60,000 PSI and above

• Compatible with AccuStream and Hypertherm waterjet equipment

Features:

• Complete Assembly: Pre-configured kit containing all required sealing components for dynamic seal replacement 

• OEM Specification: Manufactured to meet or exceed original equipment standards 

• Critical Consumable Component: Designed for periodic replacement during scheduled pump maintenance 

• Kit Contents: Includes dynamic seal (302951), O-ring 201707, and O-ring 200377 

• Service Classification: Listed as a "Replace" component during Minor Maintenance, Major Maintenance, and Overhaul procedures according to official service documentation 

Maintenance:

Failure Diagnosis:

• External Water Leakage: Visible water weeping from the pump area indicates dynamic seal failure requiring assembly replacement

• Pressure Drop: Inability to maintain rated cutting pressure suggests seal degradation

• Water Contamination in Hydraulic Oil: Milky or discolored hydraulic oil indicates seal failure allowing water intrusion

Replacement Guidelines:

• Replace as Complete Assembly: When dynamic seal replacement is required, always use the full assembly kit rather than individual components 

• Replace During Scheduled Maintenance: According to service documentation, this assembly is a "Replace" item during Minor Maintenance, Major Maintenance (every 4,500-5,000 hours), and Overhaul procedures 

• Clean Installation: Thoroughly clean the seal groove and mating surfaces before installing new assembly components

• Lubrication: Apply manufacturer-recommended high-pressure grease to seals during installation to prevent dry start-up

• Full Depressurization: Always fully depressurize the waterjet system and follow lockout/tagout procedures before servicing 

Kit Component Details:

Cross-Reference Information:

• OMAX #302950 

• Accutek #AW302950 

• PK9004 

• Basic Pump Seals Kit #303019 (contains 3 x 302950)