Seals and O-Rings

Packing

Hydraulic Seals

  • Rod, piston, rotary and flange seals, guiding elements, wipers, Polyurethane O-rings, frame seals, flat and accumulator diaphragms.
  • For construction machines industrial hydraulics, vehicle engineering and mining.
  • Basic materials: All types of rubber, polyurethane, PTFE, fabric and metal reinforced elastomers and plastics.

Guiding Elements

  • Guide rings and tapes prevent metallic contact between piston and cylinder with laterally acting forces.
  • Guide rings in thermoplastics, filled thermoplastics and duroplastic resins with fabric reinforcement.
  • Guide tapes in PTFE with bronze or carbon additives, available by the meter or cut to required length.

PTFE Seals & PEEK Thermoplastic seals

  • Standard and special profiles ® in Polon
  • Co-axial seals in modified PTFE with elastic pre-tensioning and guide elements for hydraulic and pneumatic cylinders where operating conditions necessitate particularly low static and motional friction.
  • PEEK SEALS for Energy, oil, Gas & CPI industries.
  • Flexiseals® Springassisted

Rotary Seals

  • Standard and special profiles ® in Polon
  • Co-axial seals in modified PTFE with elastic pre-tensioning and guide elements for hydraulic and pneumatic cylinders where operating conditions necessitate particularly low static and motional friction.
  • PEEK SEALS for Energy, oil, Gas & CPI industries.
  • Flexiseals® Springassisted

Flexiseals® Springassisted PTFE Seals

  • Lip seals in Polon with an integral special steel spring for pretensioning.
  • For static, translatory and rotational applications in aggressive fluids, at temperatures from -250 to +315ºC.
  • For chemical, petrochemical industries and medical engineering and aerospace applications.

Special Profiles, Metal seals and Precision Moulded Parts

  • For static and dynamic use in fluidics and process engineering, automobile and apparatus engineering, chemical and medical engineering, mineral oil extraction and processing and the aerospace industry. Metal ‘V; Ring, ‘C’ Rings, spring energised seals for cryogenic to +800ºC.

Pneumatic Seals

  • Rod, piston and valve seals.
  • Complete pistons, one-piece elastomer coated valve pistons.
  • Rod seal/wiper sets.
  • Cushioning rings. guiding elements and wipers.
  • Sealing systems for micropneumatics.
  • Basic materials: NBR and polyurethane compounds, PTFE, FPM, elastomers with metal or plastic carrier components, developed for use in pneumatics.
  • Seal lip geometry with lubricantretention properties. Best sealing action with low friction.

Special Sealing Systems

  • Ultrathan seals for compensation of the axial gap in hydraulic pumps and motors. Ultrathan sealing sets for accumulator pistons.
  • Seals for flanges and for connection plates on control equipment and valves.
  • Ultrathan® SAE flange seals.
  • Housing seals.
  • Seals for automobile components: clutches master and slave units, brake equipment, shock absorbers, pneumatic shock absorbers, automobile hood actuators, starters, catalytic converters etc.

Precision O-rings
and Parbak® backup rings

  • O-rings in 1800 standard sizes
  • To national and international standards: DIN 3771, ISO 3601, JIS AS 568A etc.
  • Manufactured in NBR, HNBR, FPM, FFKM, FVMQ, VMQ, EPDM, ACM, CR, IIR, ECO, PTFE, and AU materials.
  • Approved for aerospace and military applications.
  • Parbak® backup rings preent migration of O-rings into the sealing gap when under high pressures.

Bearing Isolator

  • ProTechTM bearing isolator seals offer an answer for applications where improving the mean time between failure (MTBF) is critical.
  • The ProTech family relies on true non-contact labyrinth seal technology to provide 100% exclusion of contaminants and 100% retention of bearing lubrication for the life of the bearing.
  • Fourteen standard profiles are available to allow for ease of retrofitting most equipment.
  • Metallic ProTech Millennium® profiles are available in bronze, 302 SS, 304 SS, 316 SS, and carbon steel.
  • Typical size range is for shaft diameters from 0.492" (12.5 mm) to 38" (965 mm).
  • ProTech has also been independently tested to IEEE IP55, IP56, IP66 and IP69k

Assembly Greases and Lubricants

  • These facilitate the fitting of O-rings reduce friction and contribute to increasing the service life of O-Rings.
  • Parker O-Lube: Mineral oil-based lubricant.
  • Parker Super-O-Lube: Silicon-based lubricant.

O-ring & Accessories

  • Clearly arranged O-rings for repair, assembly and workshop.
  • 5 standard kits wit upto 500 rings in 37 sizes and various types of materials.
  • In accordance with Standards: -AS 568A Standard Series - DIN 3771/ISO 3601 -MS 33656/MS 16142

JBL Precision Moulded Parts

  • Extruded solid and hollow profiles in optional lengths and range of different cross-sections.
  • In hardnesses from 40 to 90 Shore A.
  • Materials: NBR, HNBR, EPDM, FPM, VMQ, TPR, CR IIR and other elastomers.
  • Production of large series with close tolerances. For fittings, condensers, automobile industry, electrical and medical engineering (production under clean room conditions).

O-Seals

  • Rubber-metal/plastic seals for static applications.
  • Available in all material combinations and surface treatments of metal parts: in standard and special sizes.
  • Gask-O-Seals: For aerospace and process engineering applications.
  • Integral Seals: For large series production in automobile industry and fluid engineering.
  • Fastener Seals. For sealing of screws and threads in automobile industry, fluid engineering and apparatus manufacture.

Silicone

  • Moulded parts and seals.
  • Resistant to temperatures from -115 to +250° C. Good electrical insulation and excellent physiological properties.
  • Resistant to ozone, ageing and weathering.
  • Manufacture of complicated geometrical shapes to close tolerances.
  • In clean room conditions.
  • For electronics, electrical, automobile industry & aerospace applications.

Parofluor® Seals

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  • In perfluor rubber (FFKM).
  • Resistant to nearly all chemicals at temperatures from -30°C to +320° C.
  • For the semiconductor industry: Resistant to acids, no bath contamination with metallic ions.

Expansion Joints

  • RM DYNEX brand fabric expansion joints are offered in a broad range of configurations and multi-layer construction types.
  • Their engineered design and construction mean performance for managing thermal expansion, noise reduction, vibration, wind & seismic loads, movement absorption and system stress relief.
  • Parker offers three classes of fabric expansion joints:
  • Economy Styles: X275-X300, X404-X425, LX801-LX1000
  • Performance Styles: E300E, E400V, C500-C1000
  • Premium Styles: Mark II, Mark III, Mark V Modified, Mark V, 1200 GTA/GTB

Adhesives and Sealants

  • Parker´s adhesives and sealants product line offers solutions for locking of threads, retaining of joining parts, sealing of pipes, tubes, threads and flanges and gluing.
  • Technical sprays and liquids complement the portfolio by performing the following tasks: cleaning and degreasing, activating, mounting, separating, lubricating, etc.

Seals and O-Rings
Chomerics -EMI Shielding

Cable Screening

  • Cho-Sorb ferrites serve for the reduction of interference associated with cables.
  • They allow flow of the desired signals through the cable and switchgear and trap unwanted energies. Cho-Jac® are sheaths for protection of flat cables.

Conductive Coatings

  • Cho-Shield coatings are an EMI screen for electronic components and consist of epoxy Resin, acrylates of urethane & also silver or nickel fillers.
  • Cho-Shield® 2052 is a single component coating suitable for cost-effective metallization of plastic housings and components.

Laminates and Tapes

  • Laminates produce conductive non-corroding surfaces in plastic housings.
  • Available in strips or stamped shapes to suit customer requirements.
  • The metallic foil layer (copper, aluminium, stainless steel etc.) seals and earths, whilst dielectric resistance is provided by plastic film.
  • Cho-Foil® is a screening foil with adhesive applied to one side.

Thermally Conductive Materials for Electronics

  • Cho-Therm , Thermally conductive and electrically isolating materials for transmission of heat from electrical components to heat sinks.
  • T-Wings: Flexible heat-conductors for tightly packed switching circuits.
  • Manufactured from electrically insulated thin copper strips with silicone adhesive on one side.
  • Thermattach: Thermally conductive adhesive tapes for the attachment of heat sinks, e.g. on microprocessors.
  • Available in Insulating and non-insulating types.

Metallic Seals

  • Mesh Strip seals with knitted wire mesh in monel or tinned plated copper clad steel wire and a completely metallic or elastomer core.
  • The® Combo Strip version has an additional sealing strip to provide better attachment and protection against moisture.

Conductive Adheshives and Pastes

  • Ch-Bond conductive adhesives are available in two versions.
  • Firstly, in solid form as 2-component epoxy resin with pure silver or silver plated copper filling and, secondly, silicone filled with the latter material.
  • Cho-Bond® pastes used for filling wide joints.
  • They are produced in epoxy resins, silicones and polyisobutenes in single or 2-component versions - with silver plated glass aluminium or other fillers.