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FKM O-Rings are sealing components made from fluorocarbon rubber. The product structure includes a circular cross-section, inner diameter, outer diameter, and sealing surface. During installation, the O-Ring is placed inside a machined groove and compressed between two mating parts. The compressed rubber generates contact pressure to prevent leakage of liquids or gases.
For buyers searching for an FKM O-Rings manufacturer in China, the main evaluation points include rubber compound selection, dimensional accuracy, hardness, groove compatibility, and operating environment. FKM materials are commonly selected for sealing applications involving fuel, oil, chemical fluids, and temperature changes where standard elastomers may not match the working conditions.
Custom FKM O-Rings are manufactured through rubber formulation, mold development, molding, trimming, inspection, and packaging. Before production, manufacturers usually confirm the sealing dimensions, contact media, temperature range, pressure conditions, and installation requirements to determine the suitable material and structure.
TOP 10 FKM O-Rings Manufacturers In China
| No. | Manufacturer | Main Products |
|---|---|---|
| 1 | Haining Chaoyue Seals Co., Ltd. | FKM O Rings, rubber sealing parts, custom rubber components |
| 2 | Jiacheng Seal | Industrial O-Rings, hydraulic seals, sealing products |
| 3 | Ningbo Bodi Seals Co., Ltd. | O-Rings, hydraulic seals, rubber sealing components |
| 4 | Dichtomatik China | Industrial seals, elastomer sealing products |
| 5 | Suzhou Star Sealing Technology Co., Ltd. | Rubber seals and molded sealing parts |
| 6 | James Walker China | Elastomer seals and industrial sealing products |
| 7 | Parker Hannifin China | Sealing components and rubber products |
| 8 | Trelleborg Sealing Solutions China | Industrial sealing systems |
| 9 | Klinger China | Gaskets and sealing products |
| 10 | Seal Science Inc. | Custom rubber seals and molded components |
Haining Chaoyue Seals Co., Ltd.
Haining Chaoyue Seals Co., Ltd. specializes in customized rubber sealing products and molded rubber components. The company develops rubber parts according to customer drawings, samples, technical specifications, and application requirements.
Its official product categories include O Ring, Caps & Plugs, Gasket, Custom Parts, and Rubber Extrusion. Within the O Ring category, Chaoyue manufactures FKM O Ring, NBR O Ring, HNBR O Ring, EPDM O Ring, Fluorosilicone O Ring, Silicone O Ring, and Polyurethane O Ring products.
For buyers looking for an FKM O-Rings manufacturer in China, Chaoyue focuses on matching material properties with sealing conditions. The development process considers groove dimensions, rubber hardness, operating temperature, and contact media before production.
FKM O-Rings are commonly used in systems where sealing parts need to contact oil, fuel, lubricants, or chemical fluids. Chaoyue provides customized production based on product size, material requirements, and order specifications.
FKM Rubber Material Selection for O-Rings
FKM rubber is a fluorocarbon elastomer used for sealing applications where resistance against oils, fuels, and chemicals is required.
Material selection usually depends on several conditions:
Temperature Environment
FKM O-Rings are selected for applications involving higher operating temperatures. The suitable temperature range depends on the specific rubber formulation and working conditions.
Contact Media
The sealing material should match the fluid environment. Oil, fuel, chemical liquid, and lubricant exposure can affect rubber performance.
Compression Requirements
The O-Ring hardness and cross-section influence compression behavior. Incorrect compression may cause leakage, excessive friction, or deformation.
Groove Structure
The groove size, surface finish, and installation method affect how the O-Ring creates a sealing contact area.
Jiacheng Seal
Jiacheng Seal produces industrial sealing components including O-Rings and customized sealing products. The company focuses on rubber sealing applications where material selection, dimensions, and installation conditions affect sealing performance.
For buyers comparing FKM O-Rings suppliers, factors such as elastomer options, molding capability, and product customization are important considerations.
Ningbo Bodi Seals Co., Ltd.
Ningbo Bodi Seals Co., Ltd. manufactures O-Rings, hydraulic seals, and rubber sealing components for industrial equipment.
Its products are developed according to sealing structures and operating conditions. Buyers usually evaluate material compatibility, production capability, and dimensional control when selecting suppliers.
Dichtomatik China
Dichtomatik provides industrial sealing products including O-Rings and elastomer sealing components.
The company serves applications requiring sealing against fluids, pressure changes, and mechanical movement.
Suzhou Star Sealing Technology Co., Ltd.
Suzhou Star Sealing Technology Co., Ltd. produces rubber sealing parts and molded components.
Its products are developed according to customer specifications, including rubber material, structure design, and application requirements.
James Walker China
James Walker supplies sealing products and elastomer components for industrial applications.
Its products involve sealing conditions where temperature, chemical exposure, and mechanical movement influence material selection.
Parker Hannifin China
Parker Hannifin manufactures sealing components and rubber products for industrial systems.
Its products involve different sealing structures and material requirements according to equipment conditions.
Trelleborg Sealing Solutions China
Trelleborg Sealing Solutions provides industrial sealing products for equipment requiring controlled leakage prevention.
The product design considers factors such as pressure, temperature, movement, and chemical contact.
Klinger China
Klinger supplies sealing products including gaskets and industrial sealing components.
Its products are designed according to equipment requirements where sealing material and structure need to match operating conditions.
Seal Science Inc.
Seal Science manufactures customized rubber seals and molded rubber components.
The company develops sealing products according to customer drawings, samples, and technical specifications.
What Should Buyers Check Before Ordering FKM O-Rings?
Before ordering FKM O-Rings, buyers should confirm the sealing environment, installation structure, and material requirements. The manufacturer needs information about groove dimensions, operating temperature, contact media, and required service conditions.
Size and Groove Design
The buyer should provide inner diameter, outer diameter, cross-section, and groove dimensions. These values determine whether the O-Ring can achieve suitable compression after installation.
Material Compatibility
FKM compound selection depends on the fluid environment. Fuel, oil, chemicals, and temperature exposure all influence material selection.
Hardness Requirements
Rubber hardness affects installation force, compression behavior, and sealing contact pressure. The correct hardness depends on the equipment structure.
Production Requirements
OEM buyers should confirm tolerance, inspection standards, packaging requirements, and order quantity before production.
How Are Custom FKM O-Rings Manufactured?
Custom FKM O-Rings are produced through a series of controlled manufacturing steps.
The process includes:
Confirm product dimensions and sealing requirements.
Select suitable FKM rubber compound.
Develop molds according to specifications.
Produce trial samples.
Check dimensions, hardness, and appearance.
Start batch production after approval.
The production method depends on O-Ring size, tolerance requirements, material characteristics, and order volume.
Where Are FKM O-Rings Used?
FKM O-Rings are used in applications requiring resistance against oils, fuels, chemicals, and temperature changes.
Common applications include:
Automotive fuel systems
Hydraulic equipment
Pumps and valves
Industrial machinery
Chemical processing equipment
The selected FKM compound depends on the actual working environment and sealing requirements.
Why Choose Chaoyue for FKM O-Rings Manufacturing?
Chaoyue provides customized FKM O-Ring manufacturing based on customer requirements, including product dimensions, material selection, mold development, and batch production.
For OEM projects, buyers can provide drawings, samples, or technical specifications. Chaoyue evaluates the sealing structure and application environment before selecting the appropriate rubber compound and production method.
The company supports different O Ring materials, including FKM O Ring, NBR O Ring, HNBR O Ring, EPDM O Ring, Fluorosilicone O Ring, Silicone O Ring, and Polyurethane O Ring. Material selection depends on factors such as temperature, oil contact, chemical exposure, and flexibility requirements.
Chaoyue also manufactures products within its official categories, including Rubber Caps, Silicone Caps, Rubber Plugs, Flange Gasket, Rubber Gasket, Rubber Grommet, Rubber Bellows, V Ring Seal, Oil Seal, Injection Molded Rubber Parts, Rubber To Metal Bonded Parts, and Rubber Extrusion products.
The production process covers mold preparation, sample confirmation, dimensional inspection, and mass production. Key production factors include rubber hardness, product dimensions, and molding consistency.
FAQ About FKM O-Rings
An FKM O-Ring is a circular sealing component made from fluorocarbon rubber. It is installed inside a groove and compressed between surfaces to prevent fluid or gas leakage.
Yes. Manufacturers can customize FKM O-Rings according to dimensions, hardness, rubber compound, groove design, and application conditions.
Buyers should provide O-Ring size, groove dimensions, working temperature, contact media, pressure conditions, and order quantity.
FKM and NBR have different rubber properties. FKM is generally selected for applications involving higher chemical and temperature requirements, while NBR is commonly used for oil-related sealing applications.
Yes. Chaoyue produces FKM O Ring, NBR O Ring, HNBR O Ring, EPDM O Ring, Fluorosilicone O Ring, Silicone O Ring, and Polyurethane O Ring products according to application requirements.