Diaphragms

Back to overview
Installation sketch Diaphragm

The membrane is manufactured from many different materials and used in a variety of applications, such as pumps, actuators, hydraulic accumulators, valves or controllers. Their tasks include the regulation, pumping or separation of media. For every type of cylinder and application, Freudenberg Sealing Technologies offers the right membrane – in both standard and custom sizes and formats.

Select your filter

polymer
NBR
material
brand
Freudenberg
design

Filtered items for Diaphragm ( 19 hits )

  design material Dg Dk H W brand legacy item no. item no. SP | IP    
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 20 15 20 0.45 Freudenberg - 35842 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 25 20 20 0.45 Freudenberg - 457 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 35 30 22 0.45 Freudenberg 5109004617600 35960 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 45 40 20 0.45 Freudenberg 229900 2299 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 45 40 45 0.45 Freudenberg 231300 2313 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 50 45 30 0.45 Freudenberg - 1610 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 55 50 55 0.45 Freudenberg - 36018 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 60 55 25 0.45 Freudenberg 5109004617800 2437 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 70 60 55 0.55 Freudenberg - 110779 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 80 70 30 0.55 Freudenberg 9459812 94598 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 80 70 80 0.55 Freudenberg - 1781 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 90 80 70 0.55 Freudenberg - 38186 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 90 80 90 0.55 Freudenberg - 1798 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 100 90 40 0.55 Freudenberg - 1661 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 120 110 25 0.8 Freudenberg - 36127 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 130 120 130 0.8 Freudenberg - 37780 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 140 130 30 0.8 Freudenberg - 13171 Details
cross-section thumbnail Diaphragm BFA BFA 50 NBR 253 150 140 120 0.8 Freudenberg 3701373 37013 Details
cross-section thumbnail Diaphragm MT MT NBR MT0479 - - - 0.17 Freudenberg 51BF110011800 505414 Details

Diaphragms from Freudenberg Sealing Technologies: Universal sealing element

Freudenberg Sealing Technologies has been instrumental in the emergence of the diaphragm industry and has become the European market leader in diaphragms thanks to more than 50 years of experience. The company offers diaphragms of the highest quality and for almost every application. Diaphragms are used in the processing industry, for example, in actuators, fittings, hydraulic accumulators, pumps, compressors, valves and regulators. Their tasks include regulating, pumping and separating media. Freudenberg Sealing Technologies is a trusted partner for critical diaphragm applications: for industry-renowned OEMs as well as for well-known accessories and spare parts suppliers. The company offers solutions for a large number of flight systems, for example for engine controls, fuel supply systems, for valves and regulators in cabin pressure compensation as well as for emergency systems and for additional oxygen masks. Especially for the aerospace industry, Freudenberg Sealing Technologies has a wide range of diaphragms, such as for rotary wing and fixed wing aircraft.

Diaphragms made from a variety of materials

Freudenberg Sealing Technologies has decades of experience in the development and manufacture of elastomer diaphragms with fabric reinforcement, various inserts and PTFE film overlays. The market leader provides comprehensive design support, including simulation capabilities (FEA) and testing facilities, to develop high-quality and reliable diaphragms for custom applications. The company utilises a great many different materials. Diaphragms made of elastomer materials facilitate the production of special seals for every industrial factor. They reliably and safely perform the following functions: pumping, controlling and switching, collecting and disconnecting. Materials meet industry-specific application standards and are OEM-approved.

Large range of diaphragms

Freudenberg Sealing Technologies offers a variety of diaphragms made from a range of different materials, both in standard and customer-specific sizes and formats. The entire range of diaphragms, including product and material data sheets, ordering options, prices and availability as well as dealer contacts, can be found in our e-catalogue.