Graphite Packing Ring
Detailed Product Description
Graphite Packing Ring
-content of graphite: at least 99%
-can be reinforced by 304ss ,nickle wire
-content of wire mesh:30%
Flexible Graphite Die (Graphite Packing Ring, Graphite Gasket)is formed by molding flexible graphite tape or flexible graphite braided packing, and metal materials can also be put in together. It is mainly used for sealing or valves, pumps and expansion joints, which are used in oil industry, thermoelectric station, nuclear power station and other general industries. The property solves the problemof corrosion to the valve stem completely.
Typical Types
Available in 99% purity, corrosion inhibited and oxidation resistant grades.
Supplied endless, split or as matched halves.
Square or rectangular section rings supplied as standard
Non-standard shapes can be producedto suit specific requirements.
Metal tipped rings available for high pressure anti extrusion applications.
Graphite packing sleeves with or without stainless steel eyelets are available.
Typical Applications
Packing for dynamic sealing of compressors and pumps.
Packing for valves.
Packing for the gland boxes of chemical instruments.
Available in almost every style of our braided packing.
For composite sealing to take the place of mechanical sealing.
Paramater of graphite:
Item Standard Data Test Result
Content of Graphite 99.2%
Tensile Strength ≥ 4.0mpa 4.52mpa
Tolerance of Density ≤+/-0.07g/cm3 0.983g/cm3
Compressbility 35%~55% 42.5%
Recovery ≥9% 9.96%
Ash ≤ 1.0% 0.49%
Ignition Loss(450ºC) ≤ 1.0% 0.65%
Sulphur Centent ≤ 1200ppm 1170ppm
Tolerance of Thickness ≤ +/- x 7% +0.019
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