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  • Gala No. F-12/27/30, Plot No. 134/135, Vishweshwar Industrial Premises, Sector No. 7, Bhosari, Pune - 411026
+91 9922889799

O-Ring

Top O-Ring Manufacturers in India | JD Seals

Top O-Ring Manufacturers in India
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JD Seals is well-known O-Ring Manufacturers, Suppliers and Exporters in India. We provide premium quality O-Rings for industrial, engineering, hydraulic, pneumatic, automotive, and general sealing applications.

We offer standard and Custom O-Rings in a wide range of materials, sizes, hardness grades, and profiles to meet diverse operating requirements. Our Precision O-Rings are produced with a strong focus on dimensional consistency, material reliability, and dependable sealing performance. We combine competitive pricing with flexible production capabilities to support both regular and specialized orders.

With careful quality control and application-focused support, we help customers select the right sealing solution for reliable and efficient equipment performance.

What Is an O-Ring and Where Is It Used?

An O-Ring is a circular sealing component designed to prevent fluid or gas leakage between two mating surfaces. Available as Rubber O-Rings and in specialized materials, these seals provide dependable performance in hydraulic, pneumatic, automotive, manufacturing, chemical, food-processing, and general industrial equipment. Their compact design, simple installation, and versatile material options make them a practical choice for both static and dynamic sealing applications.

Types of O-Rings

As O-Ring Manufacturers in India, we offer different O-Ring materials and designs to meet varied sealing and operating requirements.

  • Based on Material:
    • Buna-N O-Rings (Nitrile O-Rings): Known for good resistance to petroleum oils, fuels, grease, and hydraulic fluids, this material is widely used for general industrial sealing. It is a reliable choice for automotive systems, hydraulic equipment, and standard machinery.
    • Viton O-Rings (FKM O-Rings): Designed for demanding conditions, this fluorocarbon compound provides strong resistance to elevated temperatures, oils, and many aggressive chemicals. It is commonly selected for aerospace, oil and gas, chemical processing, and high-performance equipment.
    • Silicone O-Rings: Offering excellent flexibility over a broad temperature range, this material performs well where temperature stability and elasticity are important. It is frequently used in food-processing equipment, electronics, medical devices, and specialized Rubber O-Rings applications.
    • EPDM O-Rings: Recognized for resistance to water, steam, ozone, sunlight, and weathering, this compound is suitable for many outdoor and fluid-handling applications. It is commonly used in plumbing, steam systems, water equipment, and selected industrial O-Ring Seals.
    • Neoprene O-Rings: Providing useful resistance to ozone, weathering, and moderate chemicals, this material offers dependable performance in suitable environmental conditions. It is often applied in refrigeration, air-conditioning systems, outdoor equipment, and general sealing assemblies.
    • PTFE O-Rings: Featuring very low friction and excellent resistance to a wide range of aggressive chemicals, this material is suited to challenging sealing environments. Its chemical stability makes it useful where conventional elastomeric seals may not withstand the operating media.
  • Specialized material and construction options can also include Fluorosilicone O-Rings, Metal O-Rings, and Plastic O rings for specific temperature, chemical, pressure, or application requirements.
  • Based on Application:
    • Static O-Rings: Installed between components that remain stationary after assembly, these seals create a compression barrier that helps prevent fluid or gas leakage. They are commonly found in housings, covers, fittings, valves, and other fixed connections.
    • Dynamic O-Rings: Designed for assemblies involving sliding or rotational movement, these seals maintain contact while accommodating relative motion between components. They are frequently used in hydraulic cylinders, pneumatic actuators, pumps, and moving machinery that also rely on Piston Seal designs.
  • Specialized sealing configurations may also include Square O-Rings and Vulcanized O-Rings where application-specific sealing requirements call for alternative profiles or construction methods.

Technical Specifications of O-Ring

As O-Ring Suppliers in India, we provide accurate dimensions, suitable materials, and defined performance parameters for dependable sealing.

Parameter Specification
Size Format ID × CS (Inside Diameter × Cross Section)
Inside Diameter (ID) Internal diameter of the O-Ring used to determine the basic fit
Cross Section (CS) Thickness of the circular sealing profile
Outside Diameter (OD) OD = ID + (2 × CS)
Sizing Standards AS568, Metric, ISO 3601, JIS and other applicable standards
Static Squeeze Typically 15%–30%, depending on application and gland design
Dynamic Squeeze Generally up to 20% for suitable dynamic sealing applications
Installation Stretch Normally maintained below 5%
Gland Fill Generally kept below 85% to allow expansion and tolerances
Hardness Commonly 70 or 90 Shore A
NBR / Buna-N Temperature Approx. -50°C to +120°C
FKM / Viton Temperature Approx. -25°C to +205°C
EPDM Temperature Approx. -50°C to +135°C
Silicone / VMQ Temperature Approx. -60°C to +205°C+
Material Options NBR, FKM, EPDM, Silicone, PTFE, FFKM, Aflas and other compounds
Sealing Type Static and dynamic applications
Pressure Resistance Depends on hardness, clearance, pressure, temperature, and gland design
Fluid Compatibility Selected according to oils, fuels, water, steam, chemicals, or gases
Quality Parameters Dimensional accuracy, hardness consistency, surface finish, and material quality

Proper O-Ring performance depends on matching the O-Ring Cross Section, ID, groove dimensions, material, hardness, temperature, pressure, and operating medium to the application.

Key Features of O-Ring

As O-Ring Exporters in India, we focus on consistent quality, precise sizing, material versatility, and dependable performance.

  • Reliable Leakage Protection: The circular sealing profile provides consistent contact between mating surfaces to help prevent fluid and gas leakage.
  • Multiple Material Choices: Available in Rubber O-Rings, FKM, EPDM, Silicone, PTFE, and other compounds to suit different temperature and media requirements.
  • Standard & Custom Sizing: Available in standard dimensions such as Metric O-Rings and AS568 sizes, along with customized dimensions for specialized equipment.
  • Controlled Hardness: Different Shore A hardness grades allow the seal to be selected according to pressure, installation conditions, and application requirements.
  • Versatile Sealing Design: Suitable for static and dynamic applications, with options such as Quad Rings, specialty profiles, and Back-Up Rings for demanding sealing conditions.

Benefits of O-Ring

As O-Ring Manufacturers in India, we deliver practical solutions that support easy installation, reliable operation, and efficient maintenance.

  • Cost-Effective Sealing: A simple design and efficient material usage make O-rings an economical solution for a wide range of sealing requirements.
  • Easy Installation: Their compact circular construction allows straightforward fitting, replacement, and maintenance in properly designed grooves.
  • Wide Operating Capability: Selecting the correct compound enables reliable performance across different temperatures, pressures, fluids, and environmental conditions.
  • Reduced Maintenance: Properly selected O Rings Seals can minimize leakage-related failures and help support longer equipment operating periods.
  • Convenient Replacement: Standard dimensions and options such as O-Ring Kits make it easier to identify, store, and replace commonly required sealing components. For organized maintenance requirements, an O-Ring Assortment Kit can provide convenient access to multiple commonly used sizes.

Applications of O-Ring

As O-Ring Suppliers in India, we serve hydraulic, pneumatic, automotive, industrial, chemical, and other equipment requirements.

  • Hydraulic Systems: O-rings provide dependable sealing in cylinders, pumps, valves, fittings, and other hydraulic components exposed to pressurized fluids.
  • Pneumatic Equipment: These seals are used in pneumatic actuators, air valves, cylinders, and fittings to help contain compressed air and prevent leakage.
  • Automotive Applications: They are commonly used in fuel systems, cooling circuits, air-conditioning assemblies, engines, sensors, and fluid connections.
  • Industrial Machinery: Seals & O-Rings are widely applied in pumps, compressors, gearboxes, valves, manifolds, and general production equipment, often alongside Oil Seals.
  • Chemical Processing: PTFE, FKM, FFKM, and other suitable materials can be selected for applications requiring resistance to specific chemicals and aggressive media.
  • Water & Steam Systems: EPDM-based sealing solutions are suitable for compatible water and steam applications where resistance to these environments is required.
  • Food-Processing Equipment: Appropriate material grades can be used in food-processing machinery where hygiene, temperature performance, and application compatibility are important.
  • Maintenance & Repair: An O-Ring Service Kit or O-Ring Repair Kit provides convenient access to commonly required seals for equipment servicing and replacement.
  • For applications involving chain-related assemblies, O rings in chain configurations may also be considered where the design and sealing requirements are appropriate.

Why Choose Us?

  • Application-Matched O-Ring Solutions: We provide Precision O-Rings in suitable materials, sizes, hardness grades, and profiles to match specific sealing, temperature, pressure, and media requirements.
  • Custom Manufacturing Capability: Our capability to produce Custom O-Rings and OEM-compatible sealing components helps customers meet non-standard dimensions and specialized equipment requirements with greater accuracy.
  • Reliable Quality at Competitive Pricing: We combine controlled manufacturing, consistent material quality, and competitive pricing to deliver dependable OEM Replacement O-Rings for both regular supply and demanding industrial requirements.

Choose JD Seals is leading O-Ring Manufacturers, Suppliers and Exporters in India. We supply quality O-Rings engineered for dependable sealing across industrial, hydraulic, pneumatic, automotive, and engineering applications. We offer accurate sizes, application-suitable materials, consistent manufacturing, and competitive pricing. With standard and custom O-Ring solutions, we help customers reduce leakage, support equipment efficiency, and achieve reliable sealing performance. Connect with us for more details.

FAQ’s

O-Ring size is generally selected using the inside diameter and cross-section dimensions. The O-Ring Size Chart and groove dimensions should also be checked for proper fit.

The ideal material depends on temperature, pressure, fluid compatibility, and operating conditions. NBR, FKM, EPDM, Silicone, PTFE, and FFKM are commonly selected for different applications.

NBR is commonly used for oils, fuels, and general hydraulic applications, while FKM offers better performance in many high-temperature and chemically demanding environments.

Temperature capability varies according to the sealing material and compound formulation. The actual operating temperature, media, pressure, and application conditions should be considered before selection.

AS568 O-Rings follow standardized inch-based dimensions commonly used for industrial sealing applications. They provide a convenient reference for selecting compatible O-Ring sizes.

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Bhosari,
Pune - 411026, Maharashtra, India

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+91 9922889799

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jdseals@jdseals.com
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