3115357200 , 3115 3572 00 DIAPHRAGM ATLAS COPCO

The 3115357200 DIAPHRAGM ATLAS COPCO (also listed as 3115 3572 00) is a critical pneumatic regulation component that ensures precise pressure control and fluid separation within Atlas Copco rock drills and compressor systems. This diaphragm is engineered to sustain the most demanding drilling and mining conditions, offering exceptional flexibility, resistance, and mechanical stability under continuous pressure fluctuations.

Manufactured with advanced elastomer technology and precision reinforcement layers, this diaphragm allows the equipment to maintain steady operational pressure, prevent air leakage, and extend the service life of critical hydraulic assemblies. As an OEM-quality spare part supplied by 3GEN Export, it ensures perfect fitment and operational compatibility across multiple Atlas Copco machines.

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Purpose and Function of 3115357200 DIAPHRAGM ATLAS COPCO

The 3115357200 DIAPHRAGM ATLAS COPCO plays an indispensable role in separating and balancing pneumatic and hydraulic chambers inside drilling systems. By flexing in response to variations in pressure, it regulates air or fluid flow, ensuring consistent delivery to actuators, valves, and pistons.

Its primary functions include:

• Pressure stabilization: Maintains constant internal pressure during drilling cycles.

• Isolation of fluids: Prevents cross-contamination between air and oil circuits.

• Vibration absorption: Damps pressure surges and mechanical oscillations from the percussion system.

• Flow consistency: Enhances responsiveness and stability of the rock drill’s hydraulic control.

Through these mechanisms, the diaphragm ensures smooth, efficient, and precise equipment operation, which is vital in rock drilling, tunneling, and excavation environments.

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Engineering Design and Material Properties

The 3115 3572 00 Diaphragm Atlas Copco is manufactured from high-performance nitrile-butadiene rubber (NBR)reinforced with synthetic textile fiber layers. This combination guarantees superior resistance against mineral oils, compressed air contaminants, and hydraulic fluids.

Structural Highlights:

• Cone-shaped geometry: The conical profile provides even stress distribution and enhanced flexibility.

• Central stem extension: Reinforced stem ensures rigid alignment during pressure actuation.

• Molded sealing lip: Prevents micro-leaks even under extreme vibration or temperature changes.

• Uniform wall thickness: Offers consistent deflection across the entire diaphragm surface.

This part is capable of withstanding operating pressures up to 20 bar and temperature variations from –30°C to +120°C, ensuring long-term performance without deformation or fatigue cracks.

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Technical Specifications

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Compatibility with Atlas Copco Models

The 3115357200 DIAPHRAGM ATLAS COPCO is compatible with several rock drill and compressor units within the Atlas Copco portfolio. Its robust design and material formulation make it suitable for systems requiring precise pneumatic regulation.

Compatible Atlas Copco Models Include:

• Atlas Copco COP 1238

• Atlas Copco COP 1838

• Atlas Copco COP 2238

• Atlas Copco ROC L6 / L8 Drilling Rigs

• Atlas Copco Boomer 282 and 353 Series

• Atlas Copco SmartROC T35 / T40

• Atlas Copco Simba S7 and M4 Series

• Atlas Copco PowerROC T25 and T30 Units

This diaphragm ensures optimal performance across both surface and underground drilling systems where constant air pressure and rapid response times are critical.

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Advantages and Key Features

1. Superior Flexibility and Fatigue Resistance

The reinforced elastomer structure provides outstanding bending endurance over thousands of pressure cycles, minimizing failure rates and extending equipment life.

2. Enhanced Sealing Performance

Its precision-molded sealing edge ensures a complete air-tight closure, eliminating leaks that could lead to loss of efficiency or system contamination.

3. Oil and Chemical Resistance

The nitrile rubber compound resists mineral oils, hydraulic fluids, and compressed air impurities, crucial for environments exposed to lubricated air systems.

4. Vibration and Shock Absorption

Engineered to absorb mechanical vibration and prevent resonance effects within the control chamber, enhancing operator comfort and equipment stability.

5. Maintenance Efficiency

Easily replaceable and maintenance-free for long durations, this diaphragm allows for quick servicing without the need for recalibration or specialized tools.

6. OEM-Level Precision

Developed according to Atlas Copco specifications, ensuring seamless integration with existing hardware and alignment with the pressure balancing system.

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Functional Role in Rock Drill Systems

In Atlas Copco pneumatic systems, the 3115 3572 00 Diaphragm Atlas Copco acts as a flexible barrier that responds to differential pressure variations. When the system’s air pressure rises, the diaphragm expands, transmitting mechanical force to control valves or pistons. When pressure drops, it returns to its resting state, ready for the next cycle.

This dynamic movement enables smooth transitions during drilling operations, providing balanced air distribution to percussion chambers and feed systems. Its elasticity ensures that every cycle delivers consistent energy transfer, which directly influences drilling precision, speed, and fuel efficiency.

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Installation and Maintenance Guidelines

Installation Steps:

1. Clean the Assembly Housing:
   Ensure that all sealing surfaces and mounting grooves are free from dirt, oil residues, and previous gasket materials.

2. Lubricate Lightly:
   Use a compatible hydraulic grease to coat the diaphragm edge to ease installation and prevent pinching.

3. Position the Diaphragm Correctly:
   Align the center stem precisely with the actuator rod or seating guide.

4. Tighten Evenly:
   When reassembling the housing, tighten the bolts crosswise to ensure even compression and seal integrity.

5. Test Under Pressure:
   Start the system gradually and check for leaks or pressure fluctuations before returning to full operation.

Maintenance Tips:

• Inspect every 500 operating hours for cracks, swelling, or elasticity loss.

• Replace immediately if any signs of deformation or wear are observed.

• Store in a dry, UV-protected environment to prevent premature aging.

• Avoid contact with incompatible solvents or cleaning agents.

Following these guidelines guarantees a long service life and consistent hydraulic performance.

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Manufacturing Quality and Inspection

The 3115357200 DIAPHRAGM ATLAS COPCO supplied by 3GEN Export is manufactured using precision molds and tested under ISO-certified quality standards. Each unit undergoes:

• Dimensional Accuracy Verification

• Hydraulic Pressure Burst Testing

• Thermal Aging Simulation

• Tensile Strength and Flexibility Analysis

• Leak and Seal Performance Assessment

These quality control processes ensure that every diaphragm performs consistently under real-world conditions and maintains OEM-level durability.

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Packaging and Worldwide Delivery

Every 3115357200 / 3115 3572 00 Diaphragm Atlas Copco is packed in an anti-static, vacuum-sealed pouch to prevent contamination, moisture exposure, or deformation during transport.

All shipments from 3GEN Export include a barcode label for traceability, along with inspection certificates confirming part authenticity and batch control. Global delivery is completed within 5 working days, ensuring minimal downtime for your operations.

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Why Choose 3GEN Export

3GEN Export is a trusted OEM supplier specializing in spare parts for heavy machinery brands including Atlas Copco, Sandvik, Komatsu, Caterpillar, Volvo, and more. With a focus on quality, precision, and reliability, 3GEN Export provides global customers with durable, tested, and ready-to-install components for their industrial equipment.

Benefits of Partnering with 3GEN Export:

• OEM-equivalent manufacturing standards

• Comprehensive part compatibility verification

• Worldwide delivery within 5 working days

• 1-year warranty on all products

• Secure international transactions and export documentation

• Professional customer support with technical guidance

By choosing 3GEN Export, customers gain confidence in the long-term reliability and performance of every part delivered.

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Summary

The 3115357200 DIAPHRAGM ATLAS COPCO is an essential pneumatic regulation part that guarantees consistent performance, operational efficiency, and extended machinery lifespan. Its robust design, chemical-resistant materials, and precision-molded geometry make it a vital component for Atlas Copco drilling and excavation systems.

Supplied by 3GEN Export, this diaphragm is a high-quality, OEM-standard solution trusted by professionals worldwide for durability, fitment accuracy, and prompt delivery.

Weight: 0.185 kg
Delivery: 5 Working Days Worldwide
Supplier: 3GEN Export – OEM Supplier for Heavy Machinery Spare Parts

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.

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