GREAT PTFE encapsulated O-rings fall within the category of FEP/PFA encapsulated silicone/viton O-rings which are made of special heat resistant rubber coated by fluoride plastic with unique manufacture technique. Therefore,they possess the characteristic of low permanent deformation rate given by rubber O-ring,along with the special features endowed by fluoride plastic such as resisting heat,cold,oil,rub,climate changers and chemical corrosion.[...]

Description:Braided from strong carbon continuous yarns after softening, impregnated with proprietary lubricants and graphite particles, which fill voids, act as a break-in lubricant, and block leakage. CONSTRUCTION: GREAT 144E Carbon Fiber Packing Reinforced with Inconel wire The Inconel wire reinforcement provides increased mechanical strength, usually for static. APPLICATION: To be used as packing material for stuffing boxes of pumps or valves in high pressure and high temperature application.[...]

PTFE envelope gaskets are composite gaskets consisting of an insert (core) encased in a PTFE envelope, resulting in a gasket with the chemical resistance of PTFE and the strength and resilience of the core material. The manufacture of PTFE envelopes requires dense PTFE of superior quality to achieve optimum mechanical properties. Applications: GREAT PTFE envelope gaskets are the ideal solution for applications demanding virtually 100% chemical resistance and where the mechanical properties of a compressed[...]

Description:GREAT die formed ring are made of low-sulphur expanded graphite without any fillers or binders. They are compressed in precise moulding tools to the required density. Due to the high purity of the material (>98%), no special corrosion protection is required. In general, it has square section and also has V-shaped and wedge-shaped section, the rear two kinds style are suitable for high pressure sealing. CONSTRUCTION: GREAT 141E—Reinforced Die formed Graphite Ring Moulded from pure[...]

Description:Braided from low-sulphur expanded graphite yarns, reinforced with Inconel wire. It retains all the inherent benefits of GREAT-140 pure graphite packing, good thermal and chemical resistance, very low friction, the wire reinforcement also provides greater mechanical strength, Normal for valve with high pressure. Other metal materials, nickel, stainless steel etc. on request. CONSTRUCTION: GREAT-140EK-Graphite Packing with Inconel Wire and Corrosion Inhibitor Corrosion inhibitor acts as[...]