2-piece PTFE/EPDM Diaphragms

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Product Details

This 2-piece PTFE/EPDM diaphragm is made of modified PTFE (TFM) film backed up by second diaphragm EPDM rubber. The TFM’s excellent chemical and thermal properties make this diaphragm type as the first choice in bio-pharmaceuticals. Main advantages as below:


Its service life and reliability has been significantly improved compared to the traditional PTFE/ EPDM diaphragm.

It significantly reduces the traditional PTFE cold-flow deformation problem.

Performance is greatly improved used for steam sterilization and pure water medium.

Highly improve the valve flow capacity to ensure efficiency

Fully comply with FDA, USP and ISO standards.

For more details, please kindly contact us at sales@rayflon.com.


1. Low cost

 --- Land/HR/Material

2. Professional

      ---15 years experience

3. Efficient

      ---Advanced production equipment and strict management

4. Control

      ---ISO9001&TS16949, FDA, ROHS, REACH reports

5. OEM accepted

      --- JUST provide drawing or samples

6. Fast and cheap delivery

      ---We have big discount from forwarder (Long contract)

Samples charge:

      ---Depending on your request, sampling time:3-7days

      ---Free for existing sample, sampling time:1day

Material sources: All our raw materials come from world famous brands as below:




Specializing in producing high-quality OEM, TEFLON custom 2-piece ptfe/epdm diaphragms, Rayflon Polymer Technology is one of the best PTFE Diaphragms manufacturers and suppliers in China, welcome to contact our factory and company.