High-pressure-seal-for-YONGDA.2170.3-1
Product Name: High Pressure Seal for Yongda Waterjet
Description:
This component is a high-pressure dynamic seal assembly, specifically designed for the intensifier pump of Yongda waterjet cutting systems. It is a critical consumable component that creates a leak-tight seal between the reciprocating ceramic plunger and the high-pressure cylinder bore, preventing ultra-high-pressure water from bypassing the plunger during the compression stroke . The seal is manufactured from wear-resistant composite materials and is engineered to withstand continuous operation at 60,000 PSI (approximately 4,137 bar). Proper sealing performance is essential for maintaining cutting pressure and preventing leaks that lead to pressure drop and reduced cutting efficiency .
Applications:
Serves as the primary dynamic seal within the high-pressure cylinder of Yongda waterjet intensifier pumps
Installed around the reciprocating ceramic plunger to prevent high-pressure water bypass
Suitable for ultra-high pressure waterjet systems operating at 60,000 PSI (approximately 4,137 bar)
Compatible with Yongda brand waterjet cutting systems and intensifier assemblies
Features:
High-Pressure Rating: Engineered for continuous operation at 60,000 PSI (4,137 bar)
Composite Material Construction: Manufactured from wear-resistant materials providing excellent sealing performance and durability
Wear Resistance: Designed to withstand high-velocity water flow and reciprocating plunger motion
Precision-Machined: Manufactured to exact tolerances for proper fit and leak-free operation
Critical Consumable: Designed as a high-wear part that requires periodic replacement
Maintenance:
Performance Monitoring: Replace the seal when symptoms appear: drop in cutting pressure, visible water leakage from the pump weep hole, or inability to maintain rated cutting pressure
Expected Service Life: Under normal operating conditions with proper water quality, seals typically require replacement every 500-1,000 operating hours depending on pressure, water quality, and cycle frequency
Preventive Replacement: Replace seals as part of scheduled preventive maintenance rather than waiting for failure to avoid unplanned downtime
Full Depressurization: Always fully depressurize the waterjet system and follow lockout/tagout procedures before replacing seals
Clean Installation: Perform seal replacement in a clean area; wear gloves to prevent contamination of new seals
Lubrication: Apply manufacturer-recommended high-pressure grease to seals during installation to prevent dry startup and ensure proper seating
Associated Component Inspection: When replacing seals, inspect the ceramic plunger for scratching, scoring, or wear. A damaged plunger will rapidly destroy new seals
Water Quality Impact: Poor water quality with contaminants accelerates seal wear; maintain proper water filtration






