Teflon PTFE Bellow Seals

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Product Details

Rayflon supplies and manufactures a range of Teflon Bellows and PTFE Bellows used in mechanical seals, valves, pumps, mixers & vessels, filter, heat exchanger and flanges. 

The mechanical seal of the PTFE bellow seal, which adopts the multi-spring structure, is the most widely used in mechanical seals for highly corrosive application where chemicals & chemical fumes are continuous in contact with the instrument and where capabilities of elastomer bellow exceeds. Teflon bellows are normally used in chemical industry, petrochemical industry, and for highly corrosive application.

Following is the Operating parameters:

  • Specification: 35~65mm

  • Temperature: -10 C ~+100 C

  • Pressure: less than 0.5MPa

  • Line speed: 15m/s

  • Axial channeling: + 0.5mm

  • Suitable medium: strong acid, strong oxidizing agent and other strong corrosive media.



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: