Technical section

Finished parts in PTFE

PTFE Finished parts

We are able to produce finished parts made in Virgin and filled PTFE with CNC or automatic machines.

This program includes many seals with different profiles having, as common element, the combination between filled PTFE and elastomeric rings.

The PTFE ring supports the dynamic function while the elastomeric ring is static and acts as energiser.

There're some options either for the filled PTFE grades and elastomeric compounds, according to the applications.

Oleo-dynamic cylinder system utilize bearing bands made in filled PTFE to reduce the metal wear between the piston and the head. Bearing bands are used with high radial forces and low lubricant.

Ball valve seats

in PTFE

PTFE seats are widely used in the ball valves market, offering a timeless sealing performance thanks to the polymer characteristics (low fiction coefficient, very good temperature and chemical

resistance, low permeability).

PTFE stuffing boxes, single cones and ogives, in PTFE, are mainly used in radiator valves, ball valves and in the fitting industry, due to the excellent perfomance of temperature also against

aggressive fluids. 

Snap rings are used in the threaded connections of the thermo-sanitary fittings because of the easy installation and the possibility to assemble and disassamble more times without precluding the sealing.

Cut to size

PTFE tubing

PTFE Thin Wall Tubing and PTFE Spaghetti Tubing, because of the unique features (abrasion resistance, crack resistance, excellent chemical resistance, excellent heat resistance, non-stick, non-ageing, non-toxic, high pressure resistance, superior dielectric strength) are widely used in the most important industries (aerospace, medical, pharmaceutical, biotechnology, electronic, telecommunications, chemical, automotive, food & beverage). Gapi is able to offer a wide range of tubes also cut to size.

Back-up rings are always used in conjunction with rubber O-Rings; Back-up are fitted in order to restrict the size of the gap between metal parts tehreby preventing the O-Ring to be extruded.

Back-up rings are manufactured in 3 standard type (solid, spiral and cut); according with O-Ring rubber sizes it will be available in mm and inch dimensions.

See Hydaulic and Pneumatic catalog.

PTFE O-Rings are used for all that applications with extreme conditions of high temperature and pressure and aggressive enviroments.

See O-Rings catalog.

Electrical

insulators in PTFE

Thanks to the natural electrical and mechanical properties and to the fire resi stance, PTFE is widely used in electrical industries as micro-insulators, nozzles, protections, connectors, either produced using granular powders or dispersion powders.