Autox Diaphragm
Tian Jin Natebell Sealing Technology Co.,ltd. was founded in 2009, mainly engaged in construction machinery, excavators, hydraulic hammers and other sealing products. Annual output value of 100 million yuan. Registered trademarks are KEDIAS, B.K.S brand, but also the NOK contracted dealers. We have developed more durable and suitable sealing materials for various harsh working conditions, focusing on providing you with comprehensive hydraulic sealing system solutions. Additionally, we have a perfect, scientific quality management system, as well as proper after-sales service. As one of the leading oil seal manufacturers and suppliers in China, all of our customized products are with high quality and competitive price. We are your trusted partner, providing high-end products and making you different!
Why Customers Choose Us?
High Quality
Based on material development, combined with decades experience on seals design, production and application, all products are verified with professional laboratory and bench testing. We have a perfect QC system for the perfect products. A team who will detect the product quality and specification piece carefully, monitoring every production process until packing is complete, to ensure product safety into container. Additionally, we have independently developed the KEDIAS brand Breaker hammer seal and jointly developed a sealing structure with high temperature resistance, focusing on providing you with comprehensive hydraulic sealing system solutions.
Professional Team
At present, our company has more than 70 employees, including 10 graduate degree, more than 40 bachelor's degree. With the Hebei University of Technology School of Materials, we jointly develop materials with high temperature, super wear-resistant, longer service life sealing structure.
Advanced Equipment
Our company is a comprehensive enterprise with perfect sealing research and development and production capacity. The company has a total of 24 turning and sealing machine tools, 15 injection molding machines, 6 PTFE hydraulic presses, various rubber vulcanizing machines, and the company's independently developed guide belt production line. Also we have clear division of labor, strict quality inspection and a full set of storage system.
Rich Experience
Parker Seals has involved in the research and development, production, manufacturing and sales of construction machinery seals more than 15 years. We have become experts in hydraulic breaker parts and excavator components. Rely on our knowledge and expertise to find the right parts for your equipment.
Wide Market
At present, we have more than 3,300 dealers nationwide, and now cooperate with XCMG, SANY ZHONGLI, EDDIE PRECISION, BELITE, BEST, DAEKKO and other large construction machinery Original Equipment Manufacturer. And exported to the Middle East, Southeast Asia, Africa and other 40 countries and regions.
Superior Service and Logistics
We understand the importance of timely repairs and maintenance. Our customer service team is available and dependable to provide support and solutions to customers at all times. Benefit from our fast and reliable delivery service, ensuring that your hydraulic breaker parts and excavator components arrive on time.
Brief Introduction to Autox Diaphragm
The diaphragm is an essential component of the hydraulic breaker, and it plays a critical role in the performance and efficiency of the hydraulic breaker. The diaphragm membrane is installed in the hydraulic breaker and is usually located near the top of the cylinder. It is held in place by a retaining ring or clamp. When the hydraulic fluid is pumped into the cylinder, it pushes the piston down, compressing the air inside the breaker. As the compressed air is released, it creates a powerful force that is transmitted to the breaker tool, which is used to break the hard material.
Main Functions of Autox Diaphragm
Shock Absorption and Impact Reduction
The diaphragm effectively absorbs the shock and impact forces generated during the hammer's operation. As the hammer repeatedly strikes the material to be broken, the diaphragm helps to dampen the vibrations and minimize the impact on the machine's other components. This helps to protect the hammer and the entire breaker system from excessive wear and damage.
Protection of Internal Components
The diaphragm acts as a barrier between the hammer and the other internal components of the breaker. It reduces the transmission of impact forces to these components, thus extending their lifespan and reducing the likelihood of premature failures.
Enhancing Efficiency and Performance
By reducing the vibrations and shock forces within the breaker, the diaphragm contributes to a smoother and more efficient operation of the hammer. This can improve the breaker's overall performance and allow it to handle more demanding tasks with greater efficiency.
Improving Operator Comfort
The diaphragm's shock-absorbing capabilities also benefit the operator by reducing the vibrations felt through the machine. This can improve operator comfort and reduce fatigue during extended periods of use.
Maintaining Stable Operation
The diaphragm helps to maintain a stable operation of the breaker hammer by minimizing the fluctuations in impact forces. This stability ensures a more consistent and reliable performance over time.
Noise Reduction
The diaphragm helps to reduce the noise generated by the impact of the hammer on the material. By absorbing and damping the vibrations, it minimizes the transmission of sound waves, resulting in a quieter operating environment for the operator and those around the breaker.
Dust and Debris Containment
During the breaking process, dust and debris are often generated. The diaphragm can assist in containing these particles, preventing them from entering the internal components of the breaker and causing damage or malfunction. This helps to maintain the cleanliness and functionality of the equipment.
Thermal Insulation
The diaphragm can also act as a thermal insulator, protecting the internal components of the breaker from excessive heat generated during the breaking process. This helps to maintain optimal operating temperatures and prevent thermal damage to sensitive components.
The Types of Autox Diaphragm
Rubber Diaphragm
Rubber diaphragms are commonly used in breaker hammers due to their excellent shock absorption properties. They are made of durable rubber material that can withstand high impact forces and vibrations. Rubber diaphragms are flexible, allowing them to effectively absorb and distribute the impact energy over a larger area, reducing the stress on the hammer and other components.
Pneumatic Diaphragm
Pneumatic diaphragms utilize air pressure to assist in shock absorption and impact reduction. They typically consist of a flexible membrane that is sealed and filled with air. When the hammer impacts, the air pressure within the diaphragm helps to cushion the blow and minimize the transmission of impact forces to the other components. Pneumatic diaphragms can provide adjustable damping characteristics by varying the air pressure.
Metal Diaphragm
Metal diaphragms are constructed from durable metal materials, such as steel or aluminum. They offer high strength and resistance to wear and tear, making them suitable for heavy-duty applications and extreme working conditions. Metal diaphragms may have a more rigid structure compared to rubber or pneumatic diaphragms, providing a different level of shock absorption and impact reduction.
Composite Diaphragm
Composite diaphragms are made of a combination of materials, such as rubber and metal, to achieve optimal performance in specific applications. They can be designed to have both the shock absorption properties of rubber and the durability of metal, providing a balanced solution for breaker hammers.
Use This Guide When Choosing Diaphragm for Your Needs

Compatibility
Ensure that the diaphragm you choose is compatible with your specific breaker hammer model. Different breaker hammers may have different diaphragm designs and sizes, so it's important to consult the manufacturer's documentation or contact them directly for the appropriate diaphragm specifications.

Material
Diaphragms are typically made of rubber or other elastomeric materials. Consider the material's durability, resistance to wear, and compatibility with the hydraulic fluid used in your breaker hammer. The diaphragm should be able to withstand the operating conditions, including pressure, temperature, and exposure to hydraulic oil.

Certifications and Standards
Check if the diaphragm meets industry standards and certifications, such as ISO or ASTM. This ensures that the diaphragm has undergone testing and meets quality and performance requirements.

Replacement History
Consider the diaphragm replacement history of your breaker hammer. If a particular diaphragm has proven to be reliable and long-lasting in your equipment, it may be wise to stick with the same type or brand for future replacements.
Maintenance of Autox Diaphragm
Regular Inspection
Regularly inspect the diaphragm for any signs of wear, tears, or damage. Look for cracks, holes, or excessive deformation that may indicate the need for replacement.
Cleaning
Keep the diaphragm clean and free of debris, dust, and other contaminants. Use a soft brush or compressed air to remove any accumulated dirt. Avoid using harsh chemicals or abrasive cleaners that may damage the diaphragm material.
Lubrication
Depending on the design of the breaker hammer, lubricating the diaphragm or its surrounding components may be necessary. Follow the manufacturer's recommendations for lubrication intervals and the type of lubricant to use.
Tightening and Adjustment
Ensure that all fasteners and fittings related to the diaphragm are properly tightened and adjusted. Loose or improperly adjusted components can lead to premature wear or failure of the diaphragm.
Replacement
If the diaphragm shows signs of excessive wear or damage, it should be replaced promptly. Contact the equipment manufacturer or a qualified technician to obtain the correct replacement diaphragm and follow the recommended installation procedures.
Storage
If the breaker hammer is not in use for an extended period, store it in a dry, protected environment to prevent corrosion or damage to the diaphragm.
Here are Some Key Precautions to Consider When Replacing a Diaphragm
Safety Measures
Ensure that the equipment is properly shut down and all power sources are disconnected before beginning the replacement process. Wear appropriate protective gear, such as gloves, safety glasses, and clothing, to protect yourself from any sharp edges or moving parts.
Selection of Replacement Diaphragm
Use only the recommended replacement diaphragm specified by the equipment manufacturer. Do not attempt to use a generic or incompatible diaphragm as it may not fit properly or perform as expected. Verify the dimensions, material, and specifications of the new diaphragm to ensure it matches the original.
Cleaning and Inspection
Clean the area where the diaphragm will be installed, removing any debris, dust, or residue that could affect the sealing performance. Inspect the surrounding components and fittings for any damage or wear that may require repair or replacement.
Installation Procedure
Follow the manufacturer's instructions carefully when installing the new diaphragm. Do not force or overstretch the diaphragm during installation. Ensure that all fasteners and fittings are tightened securely but not overtightened, which could damage the diaphragm.
Lubrication
If required, apply the recommended lubricant to the diaphragm or its surrounding components to ensure smooth operation. Avoid using excessive lubricant, which could contaminate the system.
Testing
After installing the new diaphragm, perform a thorough test of the equipment to ensure it operates normally and the diaphragm seals properly. Check for any leaks or abnormalities and address them immediately.
Disposal of Old Diaphragm
Dispose of the old diaphragm according to local regulations and environmental guidelines. Do not dispose of it in a manner that could harm the environment or pose a safety hazard.
Applications of Diaphragm
Pumps
Diaphragms are used in various types of pumps, including air-operated double diaphragm (AODD) pumps, diaphragm metering pumps, and hydraulic pumps. They play a crucial role in creating suction and pumping fluids or gases.
Valves
Diaphragm valves utilize a flexible diaphragm to control the flow of fluids. These valves are often used in industrial applications where precise control and leak-tight shut-off are required.
Pressure Regulators
Diaphragms are integral components of pressure regulators used in gas delivery systems, HVAC systems, and other applications requiring precise pressure control.
Automotive
Diaphragms are found in automotive systems such as fuel pumps, brake boosters, and emission control devices. They help regulate fluid and air flow and maintain system pressure.
Medical Devices
Diaphragms are used in various medical devices, including respiratory equipment, blood pressure monitors, and infusion pumps. They help regulate fluid flow and pressure in these critical applications.
Instrumentation
Diaphragms are used in pressure sensors, gauges, and transmitters to measure and control pressure in industrial and laboratory instrumentation.
Seals and Gaskets
Diaphragms are used as seals and gaskets in a wide range of applications, including hydraulic systems, automotive engines, and aerospace components. They provide leak-tight seals and help prevent fluid or gas leakage.
Aerospace
Diaphragms are used in aircraft systems such as hydraulic actuators, landing gear systems, and fuel control units. They help regulate fluid flow and pressure in demanding aerospace environments.
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