We started producing diaphragms in 1990 and entered the international market in 2007. We have been committed to diaphragm technology, and finally overcome some difficult products.
GENERAL SEALTECH is a diaphragm supplier with 23 years of film production experience. The main products are Turbo Actuator Waste-gate Diaphragms,Rubber diaphragms,Diaphragm Valve pump Diaphragms,Rolling diaphragm,Gas meter diaphragms,LPG CNG Diaphragm, etc.
|positive displacement pump diaphragm
|Place of Origin
|20~90 Shore A diaphragm for regulator
|Fire Resistance,Chemical Resistance,Abrasion Resistance…etc
|DN max = 2000mm, all other smaller sizes will per customer demands
|Seal for Automotive,Electrical Appliances,Machine,etc
|Online technical support
|CCS,EN681-1,PAHS,FDA,National Sanitary Certificate,etc
|carton or according to requirements of the customers
|Lead time (days)
|7-15 (To be negotiated)
|50000-200000 Piece/Pieces per Month
Please note: The above table data is for reference only. For specific information, please contact us.
positive displacement pump diaphragm is a material and technology that helps to achieve specific functions or protocols. It is usually used to control the flow of matter and maintain stable states between various fluids in the system.
The diaphragm has strong wear resistance, but it is easily damaged during installation. If cracks appear, they should be reinstalled in a timely manner;
During normal use, check the sealing condition of the diaphragm to prevent water leakage;
Please do not change the installation position of the diaphragm product during use to avoid affecting the effect.
Adopting the latest technology to ensure optimal material detail processing and high-quality performance.
positive displacement pump diaphragm—FAQs Guide
1.How do positive displacement pump diaphragm perform in vacuum applications, and are there special considerations for these conditions?
Diaphragms are commonly used in vacuum applications to control the flow of air or other gases. They are designed to be flexible and resilient, allowing them to maintain a seal even when exposed to low pressure. Special considerations for vacuum applications include the use of materials that are resistant to corrosion and abrasion, as well as the use of a diaphragm with a larger surface area to ensure a better seal. Additionally, the diaphragm should be designed to withstand the extreme temperatures and pressures associated with vacuum applications.
2.What role do positive displacement pump diaphragm play in controlling fluid flow and preventing leaks in pumps and valves?
Diaphragms are flexible membranes that are used to control fluid flow and prevent leaks in pumps and valves. They are typically made of rubber or plastic and are designed to flex and move in response to pressure changes. When pressure is applied to one side of the diaphragm, it flexes and creates a seal that prevents fluid from leaking out. This seal is maintained until the pressure is released, allowing the diaphragm to return to its original shape and allowing the fluid to flow freely. Diaphragms are used in a variety of applications, including pumps, valves, and other fluid control systems.
3.Can positive displacement pump diaphragm be used in both dynamic and static sealing applications, and what are the differences in their design and performance?
Yes, diaphragms can be used in both dynamic and static sealing applications. The main difference between the two is in the design and performance.
Dynamic sealing applications require a diaphragm that is designed to withstand the constant movement and pressure of the application. This type of diaphragm is usually made of a flexible material such as rubber or silicone, and is designed to flex and move with the application.
Static sealing applications require a diaphragm that is designed to remain in a fixed position and provide a tight seal. This type of diaphragm is usually made of a rigid material such as metal or plastic, and is designed to remain in a fixed position and provide a tight seal.
4.About positive displacement pump diaphragm,How can I get the best price and quality?
The price depends on the quantity, design and size. If you order more, the price and shipping will be cheaper.
5.What are the considerations for choosing between elastomeric positive displacement pump diaphragm and non-elastomeric positive displacement pump diaphragm for specific applications?
We are a professional positive displacement pump diaphragm manufacturer, and the factors we consider include:
1. Cost: Elastomeric diaphragms are typically more expensive than non-elastomeric diaphragms.
2. Durability: Elastomeric diaphragms are more durable and can withstand higher pressures and temperatures than non-elastomeric diaphragms.
3. Chemical Compatibility: Elastomeric diaphragms are more resistant to chemical attack than non-elastomeric diaphragms.
4. Flexibility: Elastomeric diaphragms are more flexible than non-elastomeric diaphragms, allowing them to be used in applications where a tight seal is required.
5. Performance: Elastomeric diaphragms are better at maintaining a seal over time than non-elastomeric diaphragms.
6.What types of sealing mechanisms are commonly used with positive displacement pump diaphragm, such as clamped, bolted, or adhesive seals?
In general, positive displacement pump diaphragm will use these sealing mechanisms:
1. Clamped Seals: Clamped seals are the most common type of diaphragm seal. They are typically used in applications where the pressure is relatively low and the temperature is not too extreme. Clamped seals are easy to install and provide a reliable seal.
2. Bolted Seals: Bolted seals are used in applications where the pressure is higher and the temperature is more extreme. They are more difficult to install than clamped seals, but provide a more reliable seal.
3. Adhesive Seals: Adhesive seals are used in applications where the pressure is low and the temperature is not too extreme. They are easy to install and provide a reliable seal. However, they are not as reliable as clamped or bolted seals.
7.Are there specialized positive displacement pump diaphragm for high-pressure applications, and what features make them suitable for these conditions?
Yes, there are specialized diaphragms for high-pressure applications. These diaphragms are designed to withstand higher pressures and temperatures than standard diaphragms. They are typically made from reinforced elastomers or metal materials such as stainless steel or Hastelloy. These materials are chosen for their strength and durability, as well as their ability to resist corrosion and wear. Additionally, these diaphragms are designed with thicker walls and reinforced edges to provide additional strength and stability.
8.How do positive displacement pump diaphragm contribute to the isolation of different process media or gases within a system?
Diaphragms are used to separate different process media or gases within a system by creating a physical barrier between them. This barrier prevents the media or gases from mixing, thus providing a degree of isolation. Diaphragms are also used to control the flow of media or gases within a system, as they can be designed to open and close in response to pressure or other external factors.
9.How do positive displacement pump diaphragm provide sealing solutions in hydraulic accumulators and fluid reservoirs?
Diaphragms provide sealing solutions in hydraulic accumulators and fluid reservoirs by creating a barrier between the fluid and the atmosphere. This barrier prevents the fluid from leaking out and keeps the pressure inside the accumulator or reservoir at a constant level. The diaphragm also helps to reduce the amount of air that can enter the system, which helps to reduce the risk of cavitation.
10.About positive displacement pump diaphragm,Can I get some samples?
Yes, Sample order is available for quality check and market test. But you have to pay the express cost.
11.Can positive displacement pump diaphragm be used in air-operated or pneumatic systems, and how do they contribute to system functionality?
Yes, diaphragms can be used in air-operated or pneumatic systems. Diaphragms are flexible membranes that are used to separate two different areas of a system. They are used to control the flow of air or other gases in a system. They can be used to regulate the pressure of the system, to control the flow of air, and to act as a check valve. Diaphragms can also be used to dampen vibrations and reduce noise.
12.What are the key characteristics that make positive displacement pump diaphragm suitable for sealing and pressure regulation in different systems?
As a professional positive displacement pump diaphragm manufacturer, we believe that its key features include:
1. Flexibility: Diaphragms are flexible and can be designed to fit a variety of shapes and sizes. This allows them to be used in a wide range of applications.
2. Durability: Diaphragms are made from strong materials that can withstand high pressures and temperatures. This makes them suitable for use in high-pressure systems.
3. Low Maintenance: Diaphragms require minimal maintenance and can be easily replaced when needed.
4. Low Cost: Diaphragms are relatively inexpensive compared to other sealing and pressure regulation solutions.
5. Versatility: Diaphragms can be used in a variety of applications, from automotive to industrial.
13.What is the expected service life of positive displacement pump diaphragm, and how does it vary depending on factors like material and usage?
The expected service life of diaphragms can vary greatly depending on the material and usage. Generally, diaphragms made of rubber or elastomeric materials can last anywhere from 5 to 10 years, depending on the application and environment. Diaphragms made of metal or plastic can last much longer, up to 20 years or more. Factors such as temperature, pressure, and chemical exposure can also affect the service life of diaphragms.