PTFE Filled With Graphite Back Up Seal

PTFE filled with graphite back up seal

As a high-quality seal, PTFE not only has strong sealing properties, but also has strong physical and 

chemical properties, high-quality wear-resistant and self-lubricating properties, good elongation and 

compressive strength, and can be used in less oil and no oil. Used under the effect of lubrication, 

because PTFE has strong corrosion resistance, it is neutral in itself and is almost insoluble in all organic 

solvents, so PTFE retaining rings can be used in multiple complex organic solvents. The work of PTFE 

open retaining rings Condition applications mainly include static seals and dynamic seals. Static seals 

are mainly for relatively stationary moving sealing entities, with relatively low wear resistance and 

pressure resistance to back up ring; the common dynamic sealing applications of PTFE open 

back up rings are mainly used at the outer seal piston If the pressure is too high to prevent the seal body 

from being squeezed into the gap at the inner seal piston rod, you can consider other mechanical parts to 

be used together, such as gaskets, gasketsand other seals. 

Kaflon seal is professional manufacturer of PTFE seal and Rubber seal , which works in harsh 

enviroment,like LNG Valve, drilling, pipiline, Oil&Gas industries. Kaflon has certificates of 

ISO9001,ISO9100,IATF16949,FDA,USP ,etcs.Kaflon seal not only supply seals but also provide sealing

 solution.

Kaflon was set up in 2014 and covers an area of 1,500 square meters and construction area of 1,500 square meters with 22 Technician and engineer.

Kaflon is equipped with European imported seal cutting equipment and multiple sets of spring tension

 testers, Seals low temperature test equipment, and Laser welding machine.In detailed: There are 3 

imported CNC turning centers / 5 CNC lathes / 2 laser welding machines, milling machines / suction 

machines / push table saws / band saws, 2 high-precision optical size detectors, and 3 sets of 

experimental platforms under -200 degree to 400 degree.

Our Advantages

* We produce our own brand--KAFLON SEAL.

* We have our own mold development capabilities

* Our price has an advantage over the same quality products.

* We can provide large size O-rings, even infinitely long O-rings

* We can provide samples to test with customers.

* We implement a flexible quotation system

* We have ERP system traceable data and records

* We can customize products according to customers' drawings or samples.

* We have a technical team with decades of experience

* OEM available.

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