Introduce

A vacuum pump gasket is a seal used to prevent gas or liquid leakage between a vacuum pump and other equipment. Vacuum pumps create and maintain a vacuum environment within a system. The gasket is typically made of soft, high-temperature, and chemical-resistant material, and its shape and size match the connection part of the vacuum pump to ensure good sealing performance. The gasket is installed at the connection surface between the vacuum pump and adjacent equipment. It is compressed when the connection is tight, forming a sealing barrier to prevent gas or liquid from leaking outside the system. Gaskets are important for ensuring the efficient operation and stability of the vacuum system by preventing gas leakage. To meet sealing requirements, it is necessary to select appropriate materials and gasket specifications depending on the specific equipment and application. Additionally, gaskets must be installed and tightened correctly to ensure system reliability and performance.

Technical data

Material FKM
Density  1.8–2.0 g/cm³
Hardness 70–90 Shore A
Tensile strength  10–20 MPa
Elongation  100 — 300%

Certification standard

  • ASTM standards: Numerous standards pertaining to rubber and sealing materials, including ASTM D2000 and ASTM D1418, have been created by the American Society for Testing and Materials (ASTM). These specifications address a material’s aging resistance, chemical makeup, and other characteristics.
  • Certification of an Organization’s Quality Management System to ISO 9001: The ISO 9001 standard is an international assessment and certification tool for quality management systems. Gasket makers may prove they are in accordance with global standards for process control, quality management, and customer satisfaction by acquiring ISO 9001 certification.
  • RoHS Directive: In order to comply with environmental regulations, manufacturers may need to make sure their products meet the requirements of the EU’s RoHS (Restriction of the Use of Certain Hazardous Substances) directive if the materials used in vacuum pump gaskets contain hazardous substances like lead, mercury, cadmium, etc.
  • REACH regulations: In order to guarantee that the chemical substances used in vacuum pump gaskets meet applicable regulations and that the required registrations and reports are completed, manufacturers may be required to abide by the EU’s REACH (Registration, Evaluation, Authorization, and Restriction of Chemical Substances) regulations for gaskets sold to the European market.

Advantage and function

  1. Performance of the seal: The primary job of the vacuum pump gasket is to effectively seal against gas or liquid leaks between the vacuum pump and its connected components. The purpose of this is to guarantee that the vacuum system can sustain the necessary level of vacuum and stop any gas from escaping or entering from the outside world.
  2. High temperature resistance: Materials that can survive working conditions in high temperature settings, including fluororubber (FKM), are typically used to make vacuum pump gaskets. As a result, the gasket may continue to provide consistent sealing performance in hot environments like heat-treating apparatus and high-temperature vacuum furnaces.
  3. Chemical resistance: Gaskets are well-suited to withstand corrosion from a variety of substances. It can withstand the erosion of corrosive media such as acids, alkalis, solvents, and others, protecting the system’s integrity and dependability.
  4. Ozone resistance: Since ozone may cause rubber materials to deteriorate, vacuum pump gaskets are resistant to ozone erosion and aging. Because of this, the gasket is appropriate for devices that need to come into contact with ozone, such ozone generators and ozone treatment systems.
  5. Wear resistance: Generally speaking, this gasket has good wear resistance and may continue to seal even after repeated tightening and operation. By doing this, the gasket’s lifespan is increased and the need for gasket replacements is decreased.
  6. Adaptable to a wide range of devices and uses: Vacuum pump gaskets may be made to order using various vacuum pumps and connecting components. To guarantee the best sealing performance in certain applications, they can be tailored according to the size, shape, and material specifications.
  7. Boost system effectiveness: The vacuum pump gasket may minimize gas leaks and raise the effectiveness of the vacuum system by providing an excellent seal. This increases productivity and conserves energy.