O-Rings & Sealing Products
FKM Rubber O Ring Seal
• No.: FKM Oring • Standard: GB1235 /JIS B2401 • Color: Green/Brown/Black/Customized Color • Hardness: 70-90 Shore A (Customized Available) • Media: Oil, Hydraulic Fluid, Air, Water • Temperature Range: -20℃ to +200℃ (Depending on Compound) • MOQ: 1 PCS
Features
- Excellent Heat Resistance
- Superior Chemical Resistance
- Excellent Oil & Fuel Resistance
- High Mechanical Performance
Applications
FKM Rubber O Ring Seal
Reliable Sealing Performance for Hydraulic, Pneumatic and Industrial Applications
About This Product
Product Overview
FKM Fluorocarbon Rubber O Ring Seal is manufactured from premium Fluoroelastomer (FKM) material, offering excellent resistance to high temperatures, oils, fuels, chemicals, and harsh operating environments.
As a professional sealing product supplier, we provide high-quality FKM O Rings for industrial applications requiring reliable sealing performance and long service life.
Our FKM rubber seals are widely used in hydraulic systems, pumps, valves, automotive equipment, chemical processing machinery, and precision industrial applications.
With advanced rubber molding technology and strict quality control, we provide stable quality, competitive pricing, and customized sealing solutions directly from China factory.
Get FKM-orings Specifications · Model Selection · OEM Support · Bulk Pricing · Shipping Solutions
👤 Contact Us
📞 Phone / WhatsApp: +86 151 5226 0167
✉️ Email: info@juniqprecision.com
📍 Address: Wuxi, Jiangsu, China
tkey advantages
Why choose JUNIQ FKM O Ring?
Excellent Heat Resistance
Continuous working temperature up to 200ºCMaintains sealing performance under high-temperature conditions
Excellent heat aging resistance for long service life
Superior Chemical Resistance
Resistant to oils, fuels, solvents, and many chemical media
Suitable for demanding industrial environments
Prevents leakage caused by material degradation
Excellent Oil & Fuel Resistance
Ideal for petroleum-based fluids
Provides reliable sealing in fuel systems and hydraulic equipment
Better performance compared with standard rubber materials
High Mechanical Performance
Good tensile strength
Excellent wear resistance
Low compression set
Good elasticity and recovery performance
Technical Data
Technical Specifications
Feel free to contact our sales engineer for more details and price of our high temperature resistant FKM Oring seal.
| Product Name | FKM Fluorocarbon Rubber O Ring Seal |
| Material | FKM (Fluoroelastomer / Fluorocarbon Rubber) |
| Hardness | 70 Shore A / 75 Shore A / 90 Shore A |
| Color | Green / Brown / Customized |
| Standard | GB1235 /JIS B2401 |
| Temperature Range | -20ºC to +200ºC |
| Pressure Resistance | Up to 20 MPa (Higher Pressure with Back-up Ring) |
| Chemical Resistance | Excellent |
| Oil Resistance | Excellent |
| Size | Metric and Inch Sizes Available |
Would you like to receive a detailed specifications sheet? Please contact our sales engineers.
Selection Guide
How to Select the Right FKM Oring
(1) Material Selection
Choosing the correct O-ring depends on your working conditions.
| Working Condition | Recommended Material |
|---|---|
| Hydraulic Oil / Lubricant | NBR |
| Fuel / High Temperature | FKM |
| Water / Weather Exposure | EPDM |
| Food / Medical Applications | Silicone |
| Chemical Environment | PTFE / FKM |
Material Property Comparison
| Property | NBR (N) | Silicone (S) | FKM | EPDM (E) | Neoprene (C) | PTFE (T) | PU | ACM (A) |
|---|---|---|---|---|---|---|---|---|
| Ozone Resistance | × | ○○ | ○○ | ○○ | ○○ | ○○ | ○○ | ○○ |
| Weather Resistance | △ | ○○ | ○○ | ○○ | ○○ | ○○ | ○○ | ○○ |
| Heat Resistance | 120ºC | 250ºC | 200ºC | 150ºC | 120ºC | 280ºC | 90ºC | 150ºC |
| Chemical Resistance | ○△ | ○○ | ○○ | ○○ | ○△ | ○○ | ○○ | × |
| Oil Resistance | ○○ | ○△ | ○○ | × | ○△ | ○○ | ○○ | ○○ |
| Water Tightness | ○ | ○ | ○ | ○ | ○ | ○○ | ○ | ○ |
| Cold Resistance | -40ºC | -55ºC | -20ºC | -55ºC | -55ºC | -100ºC | -60ºC | -20ºC |
| Abrasion Resistance | ○ | × | ○ | ○○ | ○ | ○○ | ○○ | ○ |
| Deformation Resistance | ○○ | ○○ | ○ | ○○ | △ | × | × | △ |
| Mechanical Properties | ○○ | × | ○○ | ○○ | △ | ○○ | ○○ | △ |
| Acid Resistance | △ | ○△ | ○○ | ○ | ○△ | ○○ | ○○ | × |
| Tensile Strength | ○○ | × | ○ | ○○ | ○ | △ | ○○ | △ |
| Electrical Properties | △ | ○ | △ | ○ | △ | ○○ | △ | △ |
| Water/Steam Resistance | ○△ | ○△ | ○△ | ○○ | △ | ○ | ○ | × |
| Flame Resistance | × | △ | ○○ | × | ○ | ○○ | ○○ | × |
| Shelf Life | 5-10Y | ~20Y | ~20Y | 5-10Y | 5-10Y | ~20Y | ~20Y | ~20Y |
Legend: ○○ Excellent ○ Good △ Fair × Poor
(2) Working Temperature
Normal industrial temperature:
NBR: -40°C ~ +120°C
FKM: -20°C ~ +200°C
EPDM: -55°C ~ +150°C
Silicone: -55°C ~ +250°C
For higher temperature requirements, please contact us for alternative materials.
(3) Hardness Selection
| Application Condition | Shore A | IRHD | Recommended Application |
|---|---|---|---|
| Low Pressure / High Sealing Requirement | 40 ±5 / 50 ±5 | - | Soft O-rings for low pressure applications requiring high sealing performance |
| General Sealing Applications | 60 ±5 | 63 ±5 | Standard static and dynamic sealing applications |
| General Industrial Sealing | 70 ±5 | 73 ±5 | Most common O-ring hardness for industrial applications |
| High Pressure Applications | 80 ±5 | 83 ±5 | High pressure hydraulic and pneumatic sealing |
| Heavy Duty / High Pressure | 90 ±5 | 92 ±5 | High pressure, extrusion resistance and demanding conditions |
(4) Application Type
Static Sealing
- • Flanges
- • Valves
- • Pipe connections
Dynamic Sealing
- • Hydraulic cylinders
- • Pneumatic cylinders
- • Moving components
It is critical to determine whether your application involves dynamic or static sealing.
Where It's Used
Product Applications
| Application Field | Typical Applications |
|---|---|
| Hydraulic Equipment | Hydraulic systems, hydraulic cylinders, hydraulic components |
| Pneumatic Systems | Pneumatic cylinders, air control systems, pneumatic equipment |
| Pumps & Valves | Pumps, valves, fluid control equipment, sealing components |
| Oil & Gas Industry | Oil equipment, fuel systems, petroleum processing equipment |
| Chemical Processing | Chemical equipment, reactors, pipelines, industrial processing systems |
| Aerospace Industry | Aircraft equipment, aviation systems, high-performance sealing applications |
| Semiconductor & Precision Equipment | Precision machinery, semiconductor manufacturing equipment |
| Heavy Machinery | Construction machinery, industrial machines, high-load equipment |
True video about our pRODUCTs
Product Display
Feel free to contact us for more details and quotation!
User Guide
Installation & Maintenance Guide
Installation Instructions
Check the O-Ring
Before installation, check the O Ring for surface defects, cracks, deformation, or contamination. Ensure the size and material are suitable for the application.
Clean the Sealing Area
Clean the groove, sealing surface, and surrounding components to remove dust, oil, metal particles, and other contaminants.
Apply Lubrication
Apply a suitable lubricant compatible with rubber to reduce friction and prevent damage during installation. Avoid petroleum-based lubricants.
Install Carefully
Place the O-Ring into the groove evenly. Avoid twisting, stretching excessively, or cutting the sealing ring during installation.
Check Assembly
Ensure the O-Ring is properly positioned and not pinched or displaced before system operation.
Perform Testing
After installation, conduct pressure testing or leakage inspection to confirm sealing performance.
Maintenance Recommendations
Regular Inspection
Periodically check the O-Ring for wear, aging, cracks, hardening, or deformation.
Keep Clean
Prevent dust, particles, and chemical contamination from damaging the sealing surface.
Avoid Improper Media
Do not expose O-Rings to petroleum oils, mineral oils, fuels, or hydrocarbon solvents.
Monitor Working Conditions
Ensure operating temperature, pressure, and chemical environment are within the recommended range.
Replace When Necessary
Replace the O-Ring if leakage, permanent deformation, surface damage, or loss of elasticity occurs.
Proper Storage
Store in a cool, dry place away from direct sunlight, ozone sources, heat, and chemicals.
Why choose Juniq precision?
Company Introduction
Wuxi Juniq Precision Industrial Co., Ltd. focuses on precision sealing products and industrial components.
√Rubber O Rings
√Hydraulic Seals
√Industrial Rubber Seals
√Customized Sealing Parts
(2)Quality-Oriented Production
We focus on:
√ Material control
√ Dimensional accuracy
√ Hardness inspection
√ Appearance inspection
√ Batch management
Providing stable sealing solutions for global customers.
(3)Customer-Focused Service
We support customers with:
√ Product selection assistance
√ Customized solutions
√ Export service
√ Technical communication
Logistics
Packaging & Delivery
Packaging & Shipping
Delivery & Transportation
| Shipping Method | Express / Air Freight / Sea Freight |
| Trade Terms | EXW / FOB / CIF |
| Loading Port | Shanghai Port / Other ports according to customer requirements |
| Delivery Time | According to order quantity and production schedule |
| Order Support | Sample orders, trial orders and bulk orders accepted |
| Payment Methods | T/T, L/C, PayPal, Western Union |
Payment & Order Support
Wuxi Juniq Precision Industrial Co., Ltd. supports multiple payment methods, including T/T, L/C, PayPal, and Western Union. We offer flexible trade terms such as EXW, FOB, and CIF. We support sample orders for quality evaluation, flexible MOQ for different purchasing needs, and OEM orders with customized specifications, packaging, and labeling.
Request a quote
Get Your Sealing Solution Today
Need a Reliable FKM Oring Supplier?
Send us your drawing, sample, size, or application details.
Our engineers will help you select the right material, size, and sealing solution with competitive factory pricing.
JUNIQ Precision – Industrial Component Solutions
Email: info@juniqprecision.com
WhatsApp: +86 151 5226 0167
Website: www.juniqprecision.com
Not sure which model fits? Tell us your requirements and we'll check it for you.
FAQ
Frequently Asked Questions
Need a Suitable Solution?
Send us your requirements and our engineers will recommend the right product for your needs.
