Teflon / PTFE Diaphragm

High quality replacement products For

Wilden Pump / Ingersoll-Rand ARO Pump / GRACO Pump / SANDPIPER Pump

Almatec Pump / Mouvex Pump / Blackmer Pump / VERDER Pump / IWAKI Pump

Teflon PTFE diaphragm

Teflon PTFE diaphragm

Teflon/PTFE is a high-performance polymer with excellent chemical resistance, non stick properties, and low friction coefficient. It is a white waxy solid that can be shaped into various shapes, including diaphragms. So Teflon/PTFE diaphragms have durability, chemical resistance, and flexibility, and can be used as components in various industries and applications.

Teflon PTFE diaphragm 2

Teflon PTFE diaphragm 2

PTFE can withstand a wide temperature range from extremely low to high temperatures without losing its performance. PTFE diaphragms have a non stick surface that prevents material adhesion and is easy to clean. Therefore, Teflon/PTFE diaphragms have strong resistance to various chemicals, acids, and solvents, making them suitable for the application of corrosive substances.

Teflon PTFE diaphragm 3

Teflon PTFE diaphragm 3

PTFE diaphragm is manufactured by PTFE suspension resin with high strength and tenacity, and

produced in methods of moulding, skiving and finalizing. It can also be adhered to rubber and metal

after one side etched that accoding customer requirements

3. Uses
Used in metri pumps, diaphragm pumps and diaphragm valves.

These diaphragms have flexibility and can respond quickly to pressure changes, making them suitable for applications that require precise control.

Their reliability and durability make them a preferred choice in many demanding applications.

TagsRubber Diaphragm

What Applications Benefit from the Use of Teflon Diaphragms, and What Makes Teflon a Preferred Material in Certain Industries?

Teflon Diaphragm is widely used in various industries due to its unique performance, making it the preferred material in specific environments. GENERAL SEALTECH LIMITED believes that Teflon Diaphragm has special applications in the following industries:

1. PTFE membranes perform well in chemical processing applications where corrosion resistance chemicals are crucial. Their inertness prevents chemical reactions and ensures the integrity of the membrane over time.

In the pharmaceutical industry, polytetrafluoroethylene membranes are highly favored due to their biocompatibility and resistance to multiple solvents. They play a crucial role in precise control and purity crucial metrology and distribution processes.

3. It can be used in aerospace applications due to its ability to withstand extreme temperature changes and resist chemical exposure. They are typically used in critical systems such as pressure regulators and fluid control mechanisms.

4. The oil and gas industry uses polytetrafluoroethylene membranes to resist corrosive fluids and gases. These diaphragms play a vital role in regulating pressure and controlling flow in various components of industrial equipment.

5. Teflon Diaphragm appears in medical devices due to its biocompatibility and sterilization resistance. They are typically used in applications such as fluid processing in medical pumps and analytical instruments.

6. It is also very popular in water treatment systems because its resistance and durability to chemicals are crucial. They help improve the reliability and lifespan of diaphragm pumps used in water treatment processes.

How Does the Design and Composition of Teflon Diaphragms Contribute to Enhanced Performance and Durability in Various Industrial Processes?

The design and composition of polytetrafluoroethylene membranes play a crucial role in improving the performance and durability of different industrial processes.

Polytetrafluoroethylene (PTFE) is known for its chemical inertness, providing unparalleled resistance to corrosive substances encountered in chemical processing and pharmaceutical processes. Its excellent temperature stability ensures reliable operation under extreme conditions, which is an important feature in aerospace and other applications facing variable temperatures.

The low friction coefficient of Teflon facilitates smooth diaphragm movement and improves the efficiency of pneumatic and hydraulic systems. The flexibility, biocompatibility, and non stick properties of this material further enhance the durability of polytetrafluoroethylene membranes, making it an ideal choice for applications ranging from medical equipment to food processing.

Essentially, the unique characteristics of Teflon, combined with deliberate design, result in excellent performance and lifespan of the diaphragm in various industrial environments.

What are the common applications of PTFE Diaphragm?

PTFE diaphragms have been widely used in various industries.

Chemical processing: PTFE diaphragms are widely used in pumps, valves, and control systems in the chemical processing industry.

Pharmaceutical: PTFE diaphragms are used in pharmaceutical equipment and systems, especially pumps and valves, where maintaining product purity and preventing contamination are crucial.

Aerospace: In aerospace applications, PTFE diaphragms are used for pressure regulators, control valves, and fluid processing systems.

Medical devices: PTFE diaphragms are used for medical devices, including diaphragm pumps and fluid handling systems

Water treatment: PTFE diaphragms are commonly used in diaphragm pumps in water treatment systems

Oil and Natural Gas: PTFE diaphragms are used for control valves and pumps in the oil and natural gas pipeline industry.

Food and beverage processing: In the food and beverage industry, PTFE diaphragms are used for pumps and valves due to their pollution-free properties, chemical resistance, and compliance with food safety standards.

Laboratory equipment: PTFE diaphragms are used for various laboratory applications, including analytical instruments and fluid processing systems.

Automotive: PTFE diaphragms can be found in automotive systems, such as fuel injection systems and emission control devices

The versatility of PTFE diaphragms stems from their unique performance combination, including chemical inertness, high temperature resistance, flexibility, and durability.

What is the maximum pressure rating for a PTFE Diaphragm?

The maximum pressure rating of PTFE diaphragms may vary depending on factors such as the specific design, thickness and structure, application, and type of equipment used. Generally speaking, PTFE can withstand relatively high pressures.

For diaphragms used in industrial applications, pressure ratings can range from several hundred to several thousand pounds per square inch (psi). It should be noted that the pressure handling capacity of PTFE diaphragms is influenced by various factors, including temperature, type of medium being treated, and usage conditions

When selecting PTFE diaphragms for specific applications, it is necessary to refer to the manufacturer’s specifications and recommendations.


“We are a factory with 15 years of experience in diaphragm production,” which I said in previous years.But now I want to say that We are researchers on the diaphragm field, and we still have a lot to go.Add:RM2006 Cross-border e-commerce Park Xinyuan Road Li’an Hangzhou 311300 ChinaTelephone: 86-571-81899556FAX:E-mail: huhubox@gmail.com