English Translation of Title:
Check Valve Assembly for Water Jet Cutting Machine Parts – Model No. 49889736-Check-Valve-Assembly.1289.3-1

Introduction, Application, Features, and Maintenance:

This component is a check valve assembly designed for water jet cutting systems. It allows fluid to flow in one direction only, preventing backflow and protecting pumps, valves, and other system components from damage or contamination caused by reverse flow.

Application:
Used in water jet cutting machines to control flow direction and prevent reverse flow in high-pressure water, abrasive slurry, or hydraulic fluid circuits. Typical installations include pump discharge lines, abrasive slurry return circuits, cooling water systems, and safety circuits where backflow prevention is critical.

Features:

• Rated for system-specific pressures (up to 6,000 bar / 87,000 psi for high-pressure versions).

• Allows one-way flow, preventing reverse flow and system contamination.

• Manufactured from high-strength, corrosion-resistant materials suitable for water and abrasive slurry exposure.

• Precision-machined sealing surfaces ensure reliable, leak-free operation.

• Compact assembly reduces component count and leak points.

• Spring-loaded or free-floating design depending on specific configuration.

Maintenance:

• Regularly inspect the check valve internal components (spring, poppet, seals) for signs of wear, corrosion, or sticking.

• Check for leakage at both connection ends during machine operation.

• Verify proper valve operation by testing flow direction.

• Replace the assembly immediately if backflow, leakage, or sticking is observed.

• Clean the valve interior periodically to remove debris or abrasive buildup.

• Follow specified torque values for all connections.