
O-Rings
NOK-Freudenberg China describes groove-mounted O-rings for axial or radial sealing, with materials selected for the fluid and environment.
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Changchun NOK-Freudenberg Oil Seals

The group catalogue presents diaphragms for pumps, actuators, accumulators, valves and regulators.
The group catalogue presents diaphragms for pumps, actuators, accumulators, valves and regulators. It describes standard or customised designs, including reinforced and coated constructions. Enquiries through the listed Changchun company should identify the diaphragm geometry, fluid, movement and cycle requirements, and request the actual proposed material and reinforcement arrangement rather than assuming a universal design.
Changchun NOK-Freudenberg Oil Seals · Changchun, Jilin
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Source reviewed: 2026-11-11. This directory summary organises the supplier’s published product information.
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NOK-Freudenberg China describes groove-mounted O-rings for axial or radial sealing, with materials selected for the fluid and environment.
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The NOK-Freudenberg group product description presents customised solenoid-valve plungers with moulded elastomer sealing features.
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The group catalogue describes multiport-valve seals combining PTFE with EPDM, with windows corresponding to different fluid passages.
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NOK-Freudenberg China presents moulded rubber gaskets as configurable parts of static sealing systems.
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The group product family includes gaskets supported by a carrier, with several rubber and metal arrangements described in the catalogue.
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The manufacturer-group catalogue describes Plug and Seal pipe modules with an attached elastomer layer for connecting thermal-management components.
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