Viton industrial fluoroelastomer seals and components

Viton fluoroelastomer sealing products: precision O-rings, rotary shaft seals, low-temperature GFLT compounds, and Extreme ETP gaskets.

Viton: high-performance fluoroelastomers by The Chemours Company

Viton fluoropolymer formulations engineered by Chemours provide benchmark thermal stability and chemical resistance for industrial equipment. Meeting ASTM D1418 FKM designations, these elastomers maintain sealing integrity under extreme exposure to synthetic oils.

Proprietary fluoropolymer architectures under patent specification EP4077426A1
Standardized under ASTM D1418 and DIN ISO 1629 international elastomer criteria
Continuous service temperature envelope operating reliably up to 205 degrees C
Inert performance in contact with aggressive hydrocarbons and synthetic fluids

Precision Viton O-rings for high-pressure fluid power systems

Precision circular O-rings molded from Viton A and B grades ensure dependable sealing across valve stems, hydraulic pistons, and flanged connections. Low compression set prevents process fluid bypass during rapid pressure oscillations in heavy hydraulic assemblies.

Dimensional parameters compliant with ISO 3601, DIN 3771, and AS568 standards
Hardness ratings between 70 and 90 Shore A for severe hydraulic installations
Exceptional resistance to thermal degradation, ozone cracking, and weathering
Consistent cross-sectional resilience during repeated dynamic pressure loading

Low-temperature fluoropolymer compounds Viton GFLT and GLT

Specialty Viton GFLT-200S formulations incorporating PMVE monomers are tailored for sub-zero industrial settings. The elastomeric polymer retains high elasticity and seal contact down to minus 40 degrees C without brittle fracturing in polar and cryogenic lines.

Low glass transition temperature below minus 30 C measured by thermal DSC runs
Advanced polymer architecture combining VF2, TFE, and vinyl ether monomer units
Dependable fluid containment for pipeline valves operated in freezing climates
High chemical endurance when exposed to oxygenated motor fuels and bio-alcohols

Radial shaft seals and reinforced Viton rotary lip seals

Reinforced Viton rotary lip seals featuring garter springs are constructed for rotating shafts across pumps, industrial gearboxes, and agitators. The fluoroelastomer withstands peripheral shaft velocities up to 35 m/s in direct immersion with hot synthetic lubricants.

Standardized configurations matching DIN 3760 types A and AS with metal inserts
Auxiliary dust exclusion lips shielding inner sealing edges from abrasive grit
Operational shaft surface speeds reaching 35 meters per second without glazing
Extended service lifetimes within high-velocity industrial rotating assemblies

Chemical resistant sealing components molded from Viton Extreme ETP

Viton Extreme ETP terpolymer formulations are engineered for aggressive environments that degrade conventional FKM materials. The finished components maintain elasticity under direct contact with hot amines, strong alkaline solutions, acids, and superheated steam.

High chemical endurance across alkaline streams, amines, and sour gas mixtures
Maintained tensile properties and elasticity during steam exposure up to 160 C
Deployed throughout chemical reactors, refining columns, and pickling vessels
Reliable protection against boundary blowout during severe process upsets

Flange gaskets, Viton elastomer sheeting, and pump diaphragms

Molded and die-cut flange gaskets crafted from Viton fluoroelastomer seal pipe connections and heat exchangers across chemical facilities. Fabric-reinforced elastomer diaphragms deliver long flex lifetimes during metering pump stroke cycles handling hostile reagents.

Full-face and ring gaskets compliant with ASME B16.21 and DIN EN 1514 standard
High-strength fabric reinforcement providing fatigue endurance under cycling
Precise thickness uniformity across sheet stock for balanced flange bolting
Low gas permeability suitable for vacuum chambers and analytical assemblies

Polymer architecture and Chemours patented fluoroelastomer technologies

Viton fluoroelastomers represent the leading edge of polymer science for demanding high-temperature and severe chemical operating conditions.

Originally developed by DuPont and manufactured by The Chemours Company, Viton is synthesized from copolymers of vinylidene fluoride combined with hexafluoropropylene and tetrafluoroethylene.

High-energy carbon-fluorine chemical bonds prevent polymer chain cleavage during continuous contact with aggressive industrial chemicals.

Patent specifications assigned to Chemours Co FC LLC, including EP4077426A1, describe advanced polymerization methods utilizing advanced polymer architecture.

This synthesis promotes uniform cross-link distribution throughout the matrix, substantially lowering compression set while resisting fluid extraction under continuous exposure to hydrocarbons at temperatures reaching 205 degrees C.

Precision circular O-rings compliant with ISO 3601 and international standards

Circular O-rings remain the most widespread sealing element utilized throughout industrial fluid power systems, pneumatic actuators, and pipeline valves.

Selecting high-grade Viton A and B compounds maintains stable contact pressure within housing grooves under system pressures exceeding 25 megapascals without extrusion into clearance gaps between mating metal surfaces.

The material displays exceptional resilience against hot engine lubricants, synthetic gear oils, and motor fuels containing high concentrations of aromatic compounds.

Unlike standard nitrile rubbers, Viton rings preserve mechanical resilience across thermal cycles, eliminating fluid leakage across hydraulic circuits in metallurgical mills and power generating facilities.

Low-temperature Viton GFLT and GLT compounds for sub-zero installations

Conventional fluoroelastomers experience a glass transition threshold near minus 15 to 20 degrees, limiting dependable sealing in sub-zero operational environments.

The development of Viton GFLT-200S tetrapolymers incorporating perfluoromethyl vinyl ether shifted the brittle transition point below minus 30 degrees C while maintaining complete chemical resistance.

Peroxide curing mechanisms provide elevated hydrolytic stability and resilience against sour gas, amines, and industrial solvents.

Viton GLT components are essential along compressor stations of natural gas pipelines, cryogenic transport terminals, and sub-zero extraction infrastructure across extreme northern operating fields.

Rotary shaft seals and reinforced lip seals compliant with DIN 3760

Retaining fluid integrity across high-speed rotating shafts of centrifugal pumps, heavy gear reducers, and process agitators requires elastomeric materials with low friction and superior abrasion resistance.

Viton rotary seals engineered with metal reinforcement cages and stainless steel garter springs sustain radial contact pressure at peripheral speeds up to 35 meters per second.

Within the localized contact zone between the sealing lip and the rotating shaft, friction can elevate temperatures 30 to 50 degrees above bulk oil reservoirs.

Due to superior thermal endurance, Viton avoids lip hardening and carbonization, ensuring continuous reliable operation across heavy air compressors and industrial gearboxes.

Extreme chemical resilience of Viton Extreme ETP terpolymer formulations

In aggressive petrochemical and pharmaceutical processes, process assemblies encounter hot concentrated alkalis, amines, superheated steam, and ketones that rapidly degrade standard fluoroelastomer grades.

The Viton Extreme ETP family incorporates an ethylene, tetrafluoroethylene, and perfluoroether terpolymer structure with exceptional structural stability.

Gaskets and molded shapes produced from Viton ETP withstand caustic soda, ammonia solutions, and organic acids without hydrolytic degradation or swelling.

This resilience establishes them as the primary sealing choice for organic synthesis reactors, distillation columns, and chemical pickling lines within processing plants.

Flange gaskets, Viton elastomer sheeting, and metering pump diaphragms

Reliable joint sealing across industrial vessels relies on die-cut flange gaskets manufactured according to ASME B16.21 and EN 1514 from calendered Viton sheet stock.

Uniform material density ensures stable flange bolt loading without relaxation, plastic deformation, or cold creep under thermal cycling.

Inside positive displacement and diaphragm metering pumps, fabric-reinforced Viton membranes endure millions of continuous flex strokes while pumping hostile process reagents.

Low gas permeability and vacuum retention make Viton elastomeric parts well suited for precision analytical instruments, mass spectrometers, and industrial vacuum furnaces.

Viton and model names are trademarks of their respective owners and are used only to identify the equipment for which we source parts. SpareX is not an official dealer, distributor or representative of Viton and is not affiliated with the trademark owner. Origin, documents and warranty are stated for each item in the quotation.