O-Rings & Sealing Products
COP Cylinder Piston Seal
Pneumatic piston seal for SC series air cylinders. Double O-ring two-way sealing design with NBR, FKM and silicone options. Custom sizes available.
Features
- Double O-ring sealing design
- Designed for SC series pneumatic cylinders
- Good sealing performance and wear resistance
- Suitable for pneumatic automation systems
- OEM and customized specifications supported
Applications
Pneumatic Piston Seal Double O-Ring Seal for SC Cylinders
Reliable bidirectional sealing solution for pneumatic cylinders — replacement, maintenance, and OEM applications
Engineered for Reliable Pneumatic Cylinder Sealing
The COP Pneumatic Piston Seal is purpose-designed for pneumatic cylinders and widely deployed in SC series air cylinders. Its double O-ring sealing architecture delivers dependable sealing between the piston and cylinder bore while fully supporting bidirectional piston movement — a critical requirement in dynamic pneumatic systems.
This pneumatic piston seal is ideally suited for compressed air systems, automation equipment, pneumatic machinery, and industrial cylinder maintenance. It can be supplied as a direct replacement seal for existing pneumatic cylinders and can also be customized according to required dimensions, materials, and operating conditions to meet diverse industrial demands.
For buyers seeking SC cylinder piston seals, pneumatic cylinder replacement seals, double O-ring seals, or two-way piston seals, this product delivers a practical, field-proven sealing solution engineered for consistent pneumatic performance.
Why Choose This Double O-Ring Piston Seal
Double O-Ring Sealing Design
Two sealing rings work in tandem to provide consistent, reliable sealing throughout the piston's full stroke cycle, enhancing overall pneumatic efficiency and reducing air leakage.
Two-Way Sealing Capability
Engineered for bidirectional piston movement, ensuring effective sealing in both extension and retraction strokes within pneumatic cylinders under dynamic operating conditions.
SC Series Compatibility
Specifically suitable for common SC-type pneumatic cylinder applications, offering broad compatibility across standard industrial cylinder configurations and easy integration.
Replacement Seal Solution
A cost-effective replacement option for worn or damaged pneumatic cylinder seals, helping restore cylinder performance without the expense of full assembly replacement.
Multiple Material Options
Seal material can be selected from NBR, FKM, Silicone, and other elastomers according to temperature, pressure, air medium, and application requirements for optimal performance.
Custom Sizes Available
Dimensions and specifications can be fully customized according to drawings, samples, or specific customer requirements for unique pneumatic cylinder configurations and installation environments.
Material Options & Product Specifications
Operating Environment & Material Selection Guide
NBR (Nitrile Rubber)
Excellent resistance to compressed air and common pneumatic lubricants. A cost-effective general-purpose option for standard pneumatic cylinder applications with moderate temperature requirements.
FKM (Fluoroelastomer)
Superior high-temperature performance and enhanced chemical resistance. Recommended for demanding pneumatic environments involving elevated temperatures or aggressive air media conditions.
Silicone
Outstanding flexibility across a wide temperature range with good resistance to oxidation. Suitable for specialized pneumatic applications requiring high elasticity and thermal stability.
Material selection should be based on specific operating conditions including temperature range, pressure levels, air media composition, and duty cycle requirements. Our technical team can assist in selecting the optimal material for your application.
Where This Pneumatic Piston Seal Is Used
Compressed Air Systems
Reliable sealing for pneumatic cylinders operating in compressed air networks across manufacturing facilities and industrial plants.
Automation Equipment
Essential sealing component for pneumatic actuators in automated production lines, robotic systems, and material handling equipment.
Pneumatic Machinery
Widely used in pneumatic tools, clamping devices, pressing equipment, and various air-powered industrial machinery requiring dependable cylinder sealing.
Cylinder Maintenance
Ideal replacement seal for routine maintenance and overhaul of SC series pneumatic cylinders, extending equipment service life and restoring optimal performance.
Tailored Sealing Solutions for Your Pneumatic Cylinder Requirements
📐 Custom Dimensions
We manufacture piston seals to your exact specifications — provide drawings, samples, or dimensional requirements for a perfect-fit solution tailored to your cylinder bore and groove dimensions.
🔬 Custom Materials
Select from NBR, FKM, Silicone, or other specialty elastomers based on your operating temperature, pressure, and media requirements. Material recommendations available upon request.
🏷️ OEM / ODM Service
Full OEM and ODM support available — custom packaging, private labeling, and bespoke sealing solutions engineered to meet your brand and technical specifications.
MOQ, sample availability, packaging options, and delivery timelines are all discussed on a case-by-case basis depending on order specifications and customization requirements. Contact our team for a tailored quotation.
Common Questions About Pneumatic Piston Seals
Q: What cylinder types is this piston seal compatible with?
This double O-ring two-way seal is specifically designed for SC series pneumatic air cylinders and is broadly compatible with standard industrial pneumatic cylinder configurations. Custom sizes can also be produced for non-standard cylinder types.
Q: Which material should I choose for my application?
Material selection depends on your specific operating conditions. NBR offers excellent general-purpose performance for standard compressed air systems. FKM is recommended for higher temperature environments or when enhanced chemical resistance is needed. Silicone provides superior flexibility and thermal stability. Our technical team can help you select the optimal material.
Q: Can this seal be used as a direct replacement for existing cylinder seals?
Yes, this pneumatic piston seal is an ideal direct replacement solution for worn or damaged seals in SC series cylinders and similar standard pneumatic cylinders. For replacement purposes, please confirm the dimensional compatibility with your existing seal specifications.
Q: Do you offer custom sizes and materials?
Absolutely. We provide full customization services including custom dimensions per your drawings or samples, and material selection from NBR, FKM, Silicone, and other elastomers. Contact us with your specifications for a customized quotation.
Q: What is the minimum order quantity (MOQ)?
MOQ varies depending on whether you require standard stock sizes or custom specifications. Please reach out to our sales team with your requirements, and we will provide detailed information on MOQ, sample availability, and lead times.
Your Trusted Partner in Industrial Sealing Solutions
We are a professional manufacturer and supplier specializing in pneumatic cylinder seals and industrial sealing components. With extensive experience in serving automation, pneumatic machinery, and industrial maintenance sectors, we deliver reliable sealing products engineered for performance and durability. Our commitment to quality, customization flexibility, and responsive customer service has made us a preferred partner for businesses seeking SC cylinder seals, double O-ring piston seals, and custom pneumatic sealing solutions worldwide.
Get a Quote or Discuss Your Requirements
Whether you need standard SC series pneumatic piston seals, custom-sized double O-ring seals, or a complete OEM/ODM sealing solution, our team is ready to assist. Reach out today for technical consultation, pricing, and delivery information.
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