3115219681 CHECK VALVE ATLAS COPCO

Engineered for Absolute Reliability in Hydraulic Control

The 3115219681 CHECK VALVE ATLAS COPCO (also referred to as 3115 2196 81 CHECK VALVE ATLAS COPCO) is a precision-engineered hydraulic component designed to maintain unidirectional flow in complex fluid systems. Built with high-tensile stainless steel and precision-ground surfaces, this check valve prevents hydraulic backflow, ensuring stable operation and pressure integrity in Atlas Copco’s rock drilling and mining machinery.

Offered by 3GEN Export as an OEM-quality spare part, this valve is rigorously tested to meet Atlas Copco’s performance standards. Whether used in underground mining drills, construction rigs, or hydraulic power modules, the 3115219681 CHECK VALVE guarantees dependable operation under the most demanding conditions.

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Function and Working Principle

The Core Role of a Check Valve

The 3115219681 CHECK VALVE ATLAS COPCO plays a vital role in the hydraulic system, it allows fluid to flow in one direction while preventing reverse flow that could damage sensitive components. This one-way control function stabilizes hydraulic circuits, keeps pressure constant, and ensures efficient energy transmission across the system.

Operating Mechanism

Inside the valve, a spring-loaded poppet or ball mechanism opens when system pressure exceeds a predefined threshold, allowing flow in the intended direction. When the pressure drops or attempts to reverse, the mechanism instantly seals against its seat, creating a leak-tight closure.

This precise actuation mechanism prevents hydraulic shock, reduces noise, and maintains consistent performance even during rapid pressure fluctuations.

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Technical Specifications

This valve is designed for high-pressure, low-leakage performance, ensuring the stability of drilling and hydraulic control systems.

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Material Strength and Design

Built for Harsh Industrial Environments

Constructed from corrosion-resistant stainless steel, the 3115219681 CHECK VALVE ATLAS COPCO is designed to perform under continuous exposure to hydraulic oil, moisture, and abrasive particles. The material resists deformation under extreme pressure, while the precision-threaded body allows quick and secure installation.

Enhanced Sealing Integrity

The valve incorporates a Nitrile O-ring seal that ensures leak-proof performance, even under variable temperature and vibration conditions. The internal spring is heat-treated for resilience, providing consistent closing pressure throughout the valve’s lifespan.

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Compatibility with Atlas Copco Machinery

This check valve is utilized across a wide range of Atlas Copco hydraulic drilling and rock excavation machines, including:

• Atlas Copco COP 1238, COP 1240, and COP 1638 Rock Drills

• Atlas Copco ROC D7, D9, and D60 Surface Drills

• Atlas Copco Boomer E2C and L2C Underground Drilling Rigs

• Atlas Copco SmartROC T35, T40, and T45 Rigs

• Atlas Copco Simba M6 and S7 Production Drills

Each of these systems depends on precise fluid management, making the 3115 2196 81 CHECK VALVE ATLAS COPCO essential for ensuring efficient hydraulic operation.

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Application and Usage

Primary Hydraulic Control

The 3115219681 CHECK VALVE ATLAS COPCO prevents reverse flow that could damage hydraulic actuators, pumps, or filters. It serves as a protective element between circuit segments, maintaining directional control.

Typical Installation Points

• Between pump outlets and actuator inlets to prevent backpressure.

• In drill rotation units to control oil direction.

• In feed control systems to stabilize hydraulic movement.

• In lubrication and air-oil supply lines for automatic shutdown prevention.

Operational Industries

• Mining and Quarrying

• Civil Construction

• Tunnel Excavation

• Hydraulic Power Units (HPUs)

• Oil and Gas Exploration

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Advantages and Performance Benefits

Prevents System Contamination

By blocking reverse flow, the valve prevents contamination and fluid mixing across different hydraulic circuits. This maintains oil cleanliness and reduces maintenance downtime.

Energy Efficiency

The low cracking pressure design reduces energy loss, ensuring efficient hydraulic power transfer. This feature improves the overall performance of drilling machinery.

Extended Component Lifespan

The 3115219681 CHECK VALVE protects critical system parts, such as cylinders, motors, and pumps, by preventing cavitation and pressure surges. This extends the life of expensive components.

Maintenance-Free Reliability

Engineered with minimal moving parts, this check valve offers long service life with little to no maintenance. It is pre-lubricated and sealed for lifetime performance.

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Installation and Maintenance Guide

Installation Instructions

1. Clean the Hydraulic Circuit: Ensure all lines are free from debris and oil residue.

2. Position the Valve Correctly: The arrow mark on the valve body must align with the intended flow direction.

3. Tighten Securely: Use a calibrated torque wrench to achieve recommended torque for the thread size.

4. Seal Check: Ensure the O-ring is properly seated to prevent leakage.

5. Pressure Test: Gradually pressurize the system and check for micro-leaks.

Maintenance Tips

• Inspect the valve every 2000 operating hours for pressure consistency.

• Replace seals during scheduled system maintenance intervals.

• Store in a dry, sealed container to prevent corrosion during downtime.

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Quality Control and Testing

At 3GEN Export, every 3115219681 CHECK VALVE ATLAS COPCO undergoes comprehensive performance verification:

• Hydraulic Leak Test: Ensures zero backflow at pressures up to 400 bar.

• Thermal Endurance Test: Exposed to repeated heating and cooling cycles between -30°C and +120°C.

• Material Integrity Scan: Verified through ultrasonic and magnetic particle inspection.

• Dimensional Accuracy Test: Ensures perfect fit with Atlas Copco assemblies.

These tests confirm the valve’s adherence to OEM-level standards and guarantee reliability under extreme industrial conditions.

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3GEN Export , Your OEM Partner

As a global supplier of heavy machinery spare parts, 3GEN Export provides OEM-grade Atlas Copco hydraulic components that combine quality, reliability, and efficiency.

Why Choose 3GEN Export?

• OEM-equivalent parts engineered for seamless compatibility.

• Worldwide delivery in 5 working days.

• One-year warranty on all hydraulic components.

• Safe packaging and full traceability documentation.

• Expert support team for technical inquiries.

When you purchase the 3115219681 CHECK VALVE ATLAS COPCO from 3GEN Export, you’re not just getting a part, you’re investing in certified precision and long-term reliability.

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Packaging and Shipping

• Weight: 0.12 KG

• Packaging: Anti-static sealed bag with moisture barrier.

• Outer Protection: Reinforced cardboard box with shock-absorbing foam.

• Labeling: Includes part number, production batch, and inspection date.

• Delivery Time: Global express delivery within 5 working days.

Every valve is individually tested, documented, and tracked to ensure 100% operational reliability upon arrival.

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Summary of Key Features

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Conclusion

The 3115219681 (3115 2196 81) CHECK VALVE ATLAS COPCO is an essential hydraulic component for ensuring stable, leak-proof, and energy-efficient system performance. Its robust design, high-grade materials, and precision engineering make it a trusted part for Atlas Copco machinery operating in demanding mining and construction environments.

With 3GEN Export’s OEM-quality guarantee and 5-day global delivery, you can rely on receiving top-tier components that match the standards of the world’s most respected manufacturers.

Manufactured in Turkey, these products are made using the latest technologies and built to meet the highest international standards. Each machine is a high-quality copy of the original, ensuring durability, precision, and performance that you can rely on for modern construction and metalworking projects.