PTFE Guide Rings

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Product Details

Our PTFE guide rings are used to maintain the perfect concentricity between stem and cylinder, avoiding problems during the rectilinear piston movement and are usually mounted in specially designed seats.
These seals can be manufactured according to customer's drawing using virgin&filled grades of PTFE compounds and materials are usually chosen according to the type of lubricants used.

We customize various different profile of PTFE seals include:
O-rings, back-up rings, guide/bearing rings, piston rings, rotary rings, step rings, spring energized seals, valve seats, etc.

Material range:
Include virgin& all filled grades PTFE and others from world famous brand Dupont, Daikin, 3M, 3F, etc.

Virgin PTFE

100% PTFE

Filled PTFE

Filler Type

Inorganic filler

Glass fiber, Graphite, Bronze, Carbon fiber, MoS2

Organic filler

Polyimide, Aromatic Polyester, Polypheylene Sulfide

Depending on applications, PTFE can be mixed with fillers to meet the requirements of application in order to provide the optimum sealing properties.

Chemical and corrosion resistance
Heat resistance
Low coefficient of friction
Temperature: -60-250(°C)
Pressure: 60(MPa)

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 ptfe guide rings, Rayflon Polymer Technology is one of the best Engineered PTFE Seals manufacturers and suppliers in China, welcome to contact our factory and company.