Aqualon 11619 – Check Valve Seat – Replaces OMAX 300640
Aqualon 11619 – Check Valve Seat – Replaces OMAX 300640 - Image 2

Aqualon 11619 – Check Valve Seat – Replaces OMAX 300640

Aqualon part 11619 is a precision-machined check valve seat, equivalent to OEM 300640. Essential in maintaining seal integrity and check valve function, this part ensures efficient non-return flow in high-pressure assemblies. Regular replacement helps prevent leakage or pressure loss.
Bullet Points:

  • Aqualon part number: 11619

  • OEM reference: 300640

  • Precision stainless seat for check valves

  • Ensures tight sealing and flow direction

  • Compatible with OMAX-style pumps

Direct from Europe

SKU: 11619 Category: Brand:

Aqualon 11619 – Check Valve Seat – Replaces OMAX 300640

Aqualon Part Number: 11619
Replaces OMAX Part Number(s): 300640
Other References: None verified
Stock Status: In stock (Europe) – Estimated 2 week lead time. Ships from Melbourne, Australia.

Overview

The Aqualon 11619 – Check Valve Seat – Replaces OMAX 300640 is the sealing surface used in the inlet and outlet check valves of legacy OMAX and MAXIEM direct-drive pumps. It provides the precision-ground surface against which the ceramic ball seals to control flow direction and maintain high-pressure performance.

Purpose / Why It Matters

The check valve seat is critical for proper valve function. Wear, pitting, or corrosion on the seat surface can prevent the ceramic ball from sealing correctly, causing backflow, pressure loss, or unstable pump operation. Replacing the seat restores clean contact with the ball, improves sealing reliability, and ensures consistent pressure generation.

Compatibility

This part replaces OMAX 300640 and is compatible only with legacy OMAX direct-drive pumps and MAXIEM direct-drive pumps that specify this OEM number.
No EnduroMAX compatibility is implied.

When to Replace / Service Indicators

Replace the check valve seat when:
• The check valve leaks or fails pressure-hold tests
• The sealing surface shows wear marks, pitting, or deformation
• Variable or unstable pressure occurs during cutting
• The check valve is being rebuilt during scheduled maintenance

Common Uses

• Restoring proper sealing performance in inlet and outlet check valves
• Completing minor or major wet-end rebuilds
• Preventing backflow and pressure instability in production environments
• Rebuilding valves after contamination or abrasive particle intrusion

Why Choose Aqualon

The Aqualon 11619 provides a verified dimensional and functional match to OMAX 300640, ensuring precise seating with the ceramic ball (Aqualon 11684, OMAX 200904) and reliable long-term performance in legacy OMAX and MAXIEM direct-drive pump check valve assemblies.

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