Atlas Copco Oil Stop / Check Valve Kit Replacement – 2901108400

The Atlas Copco 2901108400 Oil Stop / Check Valve Kit is a genuine OEM service kit designed for selected Atlas Copco oil-injected rotary screw air compressors. This kit is used to overhaul the oil stop and check valve assembly, a critical component that prevents oil from flowing back into the airend during shutdown while maintaining proper oil circulation during compressor operation. Proper functioning of the oil stop/check valve helps ensure stable system pressure, efficient lubrication, and reliable compressor performance.

Manufactured to Atlas Copco’s stringent OEM quality standards, the 2901108400 Oil Stop / Check Valve Kit contains precision-engineered replacement components that restore the valve assembly to original operating condition. Designed for demanding industrial environments, the kit provides dependable sealing, minimizes internal leakage, and extends the service life of the compressor. Regular replacement during scheduled maintenance improves compressor efficiency, reduces operating costs, and minimizes unexpected downtime.

Features

• Genuine Atlas Copco OEM service kit
• Part Number: 2901108400
• Oil Stop / Check Valve Kit
• Restores proper oil flow and backflow prevention
• Precision-engineered for OEM fit and performance
• High-quality valves, springs, and sealing components
• Reliable operation under high-pressure conditions
• Long service life with easy installation

Typical Kit Contents

• Oil Stop Valve
• Check Valve
• Oil Stop Valve Spring
• Check Valve Spring
• O-Rings
• Gasket
• Seal Washers
• Plug
• Installation Instructions

The exact kit contents may vary slightly depending on the compressor model and revision.

Applications

• Atlas Copco Oil-Injected Rotary Screw Air Compressors
• Compressor Oil Circulation System
• Oil Stop and Check Valve Assembly Maintenance
• Preventive Maintenance and Overhaul

Benefits

• Prevents oil backflow during compressor shutdown
• Maintains proper oil circulation and lubrication
• Improves compressor efficiency and reliability
• Reduces internal leakage and pressure loss
• Minimizes maintenance costs and unplanned downtime
• Extends compressor service life

Specifications

• Part Name: Oil Stop / Check Valve Kit
• Part Number: 2901108400
• Brand: Atlas Copco
• Approximate Weight: 350 g
• Application: Oil stop and check valve maintenance for selected Atlas Copco oil-injected rotary screw air compressors
• Compatibility: Verify using the compressor model or serial number before installation.