Industrial Air Pump Diaphragm
- YiDa
- Dalian,China
- 15-20 days
- 2 billion/year
1. The high pressure rubber membrane after being integrally molded becomes a compact and non-porous material with a protective layer capable of puncturing and breaking resistance even when the machine is continuously operated by reciprocating motion.
2. We can handle environments from -20°C up to 150°C. By choosing from a number of rubber options, it is possible to find a material that perfectly matches your needs with respect to the chemical nature of the working media, whether it is acidic, alkaline, oily, or particulate in character.
3. This vacuum pump rubber diaphragm is precisely made with measurements that could deviate only by ±0.5mm. Its capability to withstand a pressure of 0.2-0.8MPa also makes it the right choice for domestic as well as industrial uses.
Typical diaphragms in the market have drawbacks such as use of irregular raw materials, huge variations in hardness, limited temperature resistant capacities, which cause them to leak, break down or develop fatigue fractures frequently. This may cause machine downtime, rise in maintenance expenses and might even affect the whole batch delivery schedules.
Our Professional Vacuum Pump Rubber Diaphragm Solution Addresses These Issues.
By examining and managing the materials and the method right at the origin, we offer very precise diaphragms, that are adaptable over a wide range, and have a long service life. These solutions work very well to solve the problems of frequent replacements, different model selections, and even the incompatible operating conditions that different places have.
Whether in air pumps, vacuum pumps or different kinds of reciprocating diaphragm pumps - our industrial air pump diaphragms will work perfectly. Made of first class rubber in a one-piece molding process, they are very elastic and can be bent at a high frequency many times without damage. Besides, they have outstanding airtightness. Consequently, they facilitate smooth inhalation and exhalation of air as well as stable air pressure. Moreover, they are one of the most frequently used sealing components which are susceptible to damage in air compressors, booster pumps, and micro air pumps.
The Specific Parameters of Our Professional Micro Air Pump Diaphragm Are as Follows:
| Item | Specification |
| Material | Natural Rubber、Nitrile Rubber、Ethylene Propylene Diene Monomer、Fabric Reinforced Rubber |
| Temperature Resistance | -20℃ to +150℃, Depending on Material |
| Hardness | Shore A Hardness 55–75, Customizable |
| Dimensional Tolerance | ±0.5 mm |
| Inner Diameter | Standard 2 mm–10 mm, Custom Sizes Available |
| Thickness | Standard 2 mm–6 mm, Custom Sizes Available |
| Shape | Custom-Shaped Air Pump Diaphragm, Customizable |
| Working Pressure | 0.2–0.8 MPa |
| Corrosion Resistance | Corrosion Resistance Varies by Material. Please Contact Us for Details. |
| Certifications | RoHS2.0/ISO9001/ISO14001/IATF16949 |
| Applicable Media | Suitable Rubber Materials Can Be Selected for Different Grades of Acids, Alkalis, and Oil-Based Media According to the Application；Suitable for High-Viscosity and Particle-Containing Media, Such as Paints, Coatings, and Adhesives；Suitable for High-Temperature Media When Using FDA-Certified or Equivalent Materials. |
What Are the Advantages of High Pressure Rubber Membranes in Industrial Applications?
1. Improved air pump charging efficiency and reduced pressure loss.
The high pressure rubber membranes are manufactured from premium quality rubber via a single molding process, which guarantees a firm, leak-proof seal and efficient air intake and exhaust, along with a stable pressure. Along with the option of choosing Shore A hardness from 55 to 75 and the high elasticity factor, the diaphragm is very reactive and highly accurate in its operation which results in a steady seal and less leakage.
2. Wear-resistant and fatigue-resistant, extending air pump lifespan.
For the tough operating conditions of a high-frequency reciprocating operation of industrial pumps, our rubber diaphragm seals for vacuum pumps, when tested under certain laboratory conditions, have a fatigue life exceeding 10 million cycles, resisting breaking and peeling.
Also, natural rubber, nitrile rubber, EPDM and fabric-reinforced rubber have been further optimized in terms of temperature resistance (-20°C to +150°C) and resistance to aging. They have demonstrated excellent wear resistance and fatigue resistance, which means that the degradation of material properties is significantly slowed down and the pump's overall service life is greatly extended.
3. Densely manufactured, free of pores and impurities, and resistant to puncture and breakage.
The micro air pump diaphragm production requires a compression molding process with strict production control. The finished product is dense and pore-free internally, which eliminates the possibility of the pipe being punctured or damaged locally due to the material defects. Along with a high accuracy of ±0.5 mm in dimensions and a thickness adjustable within 2–6 mm, the diaphragm still retains its structural integrity even when subjected to continuous pressure (0.2–0.8 MPa) and deformation changes.
4. Adaptable to various air pressure conditions, suitable for both domestic and industrial use.
Our rubber vacuum pump diaphragm seals also offer custom options, including shape changes, thickness, orifice diameter, and hardness adjustments. Matching different material and specification combinations in a flexible way not only makes it easier to manage spare parts but also cuts down on procurement and inventory costs, no matter if it is for a low-pressure, quiet domestic use or a high-pressure, high-flow industrial one.
Vacuum Pump Rubber Diaphragms Are Primarily Used in Five Major Fields:
1. One example of precision instruments is micro and vacuum pumps for laboratory analysis and environmental monitoring. They must be oil free and have low pulsation.
2. Medical Devices: Oxygen concentrators and ventilators for medical use are high-airtightness, low noise, and clean gas.
3. Industrial Automation: We supply booster pumps and pneumatic actuators that pressurize process gas and provide instrument gas. Choosing corrosion-resistant materials is an option.
4. Aquaculture/Biotechnology: oxygen pumps and aeration systems, with a focus on continuous operation and weather resistance over the long haul.
5. Portable Equipment: Small air compressors and air pumps that can be mounted on vehicles, with a focus on compact design, light weight, and high energy efficiency.
The first step in selection is to figure out what kind of diaphragm material and motor rating will best fit the type of gas, pressure/flow rate, operating hours, and environmental conditions.
About Yida Rubber:
Strong Corporate Strength and Production Capacity Guarantee.
Since 2006, our main team has been working in rubber sealing and molding production. We have more than three decades of combined experience. Our factory which is 37,000 square meters in size is staffed with a very professional team of 450 persons. Our factory has very strong capabilities in large-scale delivery and our annual production capacity is more than 2 billion pieces.
Certifications and Quality System.
We have been certified by SGS and follow three quality management systems: ISO 9001:2015, ISO 14001:2015, and IATF 16949:2016. Our national laboratory is also accredited by CNAS. We provide a wide range of rubber formulations certified by UL and FDA that are compliant with major international regulations on the environment and health & safety such as EN549, RoHS 2.0, and REACH.
Overview of Cooperation and Global Markets.
We export our products to worldwide markets like USA, Japan, South Korea, United Kingdom, Southeast Asia, Europe, Switzerland, South Africa, and Saudi Arabia. We have established long-term strategic relationships with globally famous brands such as SMC, Omron, Siemens, Panasonic, Minebea, Eppendorf, and ALPINE.
We participated in the 14th Shanghai International Long-Term Energy Storage Technology Conference.
At the event, we showcased our highly efficient sealing products for EPDM, FKM, and PTFE used in flow batteries and hydrogen energy storage. In the competition against 927 exhibitors worldwide, we did great. At the exhibition, we not only met leading customers of vanadium redox flow batteries, but we also got in touch with international resources from 72 countries. Also, we took this opportunity to promote our CNAS-certified testing capabilities and our worldwide service network.
FAQ:
1. How do I choose the most suitable diaphragm material based on specific operating conditions?
When it comes to the handling of strong acids, alkalis, or some organic media the best choice would be EPDM or fabric-reinforced rubber. Besides, for contact with oily media the best choice would be NBR. If operating at high temperature or purity, please ask our technical department for confirmation. We have multiple certified material solutions to choose from.
2. Can rubber diaphragm seals for vacuum pumps withstand the wear of continuous high-frequency reciprocating operation?
Yes. We use a one-piece molding process to make our diaphragms, which means they have a dense, non-porous texture. Under certain lab testing conditions, their fatigue life can be more than 10 million cycles, so they don't get fatigue fractures easily.
