Ptfe Packing Rings

Ptfe packing alone as a term refers to gasketing braided packing even an o ring.

Ptfe packing rings.

Packings made from ptfe polytetrafluoroethylene are a mainstay of the mechanical compression packing industry. Most commonly the term has become an abbreviation for ptfe pump or valve packing. Style 5100 100 gfo packing. Ptfe braided packing is resilient chemical resistant self lubricating and withstand high linear speed and pressure with minimum wearing to the shaft.

Ptfe stackable v ring packing seals. China ptfe packing find detail flexible graphite packing ring from cixi weilite sealing mateial co ltd. Ptfe stackable v ring packing seals. This packing arrangement offers very good seal performance with the lowest packing.

This hydraulic packing was subsequently expanded from its original use in steam engines to. In packing sets the load stress applied is greater at the rings closest to the gland follower and. Previously the customer had been utilizing a packing configuration consisting of 10 rings of ptfe packing. General service ptfe packing for pump and mixer applications.

100 gore gfo filament yarns and a silicone break in lubricant. Packing seal lubricating rings. A packing is simply a product that is used to block the path of a leak. Single ptfe v ring packing the single ptfe v ring arrangement uses a coil spring as in the easy e valves and meets the 100 ppmv criteria assuming that the pressure does not exceed 20 7 bar 300 psi and the temperature is between 18c and 93c 0f and 200f.

Ptfe packing or teflon packing is braided with high purity ptfe polytetrafluoroethylene teflon filament. Ptfe stackable v ring packing seals. Chevron v ring packing. Ptfe is well known for its outstanding resistance to chemical attack low coefficient of friction and wide temperature tolerance including cryogenic service.

So when someone asks for ptfe packing our first question is what type. In 1928 garlock palmyra developed its chevron packing the first automatic hydraulic packing using standard duck and rubber tubing which it continues to manufacture. Ptfe material has a low friction and excellent resistance to chemicals. A configuration with a high amount of packing rings such as this can lead to an insufficient amount of load being applied to each ring.

Style 5888 valve stem packing. Abrasion resistant rubber and plastic sealing washers. Garlock chevron packing is the original automatic hydraulic and pneumatic design for sealing rods pistons and plungers. Ptfe has excellent chemical resistance and withstands a wide temperature range of 110 f to 500 f.

Ptfe has excellent chemical resistance and withstands a wide temperature range of 110 f to 500 f.