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On-Time Delivery, We Ship WorldwideOur Other Products Include Rubber Diaphragms, Gaskets, Oil Seals & More

Harkesh Rubber Utilizes State-Of-The-Art Compression Moulding Machine To Produce World-Class Large O-Rings
Large O-Rings
O-Rings are among the sealing classics at par excellence, this product represents highest form of diversity. It’s areas of application are as diverse as its variety, ranging from tap fittings to air- conditioning systems, from the car engine to the dental drill, each type requiring to meet the custom – specifications. Our mastery prevents the appearance of any parting lines thus rendering a seamless complete ‘O’ cross section to achieve precise sealing solutions. O-rings are also reliable, inexpensive, and have simple mounting requirements, making them a popular choice for sealing.
Materials | Nitrile Butadiene Rubber, Hydrogenated Nitrile Butadiene Rubber, Ethylene Propylene Diene Monomer Rubber (EPDM), Chloroprene Rubber (CR), Fluoro Rubber (FKM), Perfluoro Rubber (FFKM), Natural Rubber (NR), Silicone (VMQ), Fluorosilicone (FVMQ) |
Technical | Size : 1.5 mm to 1200 mm diameter Temperature : -60 ° C / + 320 ° C (depending on material) 40* parting line Cryogenically deflashed O rings |
Our Expertise
Harkesh Rubber’s mastery prevents the appearance of any parting lines in the O-Rings. This helps in rendering a seamless cross-section and achieving precise sealing. We engineer our products to be:
- Temperature resistant
- Pressure resistant
- Swelling proof
- Highly flexible
- Very compatible
- Ideal for dynamic and static environments
Salient Features
- Standard & non-standard sizes from 1mm to 2000 mm
- Cryogenically De- flashed
- Temperature range from -75°C to +300°C
- Compression-molded
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The Company We Keep
If you need any industrial solution we are available for you. Contact Us

Emerson India
Emerson India awarded Harkesh Rubber for “New Product Development In Short Lead Time in 2018”. The award is in recognition of Harkesh Rubber’s efforts to revolutionize production processes in the rubber industry.

Sidel India Pvt. Ltd.
We have been working with you since more than 10 years. During this period your quality & delivery performance found is very good. Even when we arranged a supplier meet in 2012 we awarded you as a best supplier of the year in Bought out item category. Whenever we had any new developments your support was perfect. Overall your performance was very good & we hope the same In future too. We wish you all the best for your business growth.

Georg Fischer Piping Systems Pvt. Ltd.
We have been working with you since last 6 years. During this period your Quality, Delivery and Performance found very good and consistent. During the development of new products specially FKM/FPM gaskets, we had very good technical support by your team, and we hope in future it will remain same. We wish you all the best for your business growth.
Why
Harkesh Rubber
Harkesh Rubber LLP is a recognized brand for over 35 years amongst all kinds of engineering industries. Thriving on deep rooted product built experience combined with today’s innovative technology, Harkesh Rubber continues to resonate with several market segments for it’s perfect project delivery of precise sealing solutions.
The company’s unique approach of applying analytics to product development gives an edge to succeed with all types of customized solutions for highly demanding and varying technical market needs. With a leading footprint across the Globe, serving more than 80 clients in Asia, Europe, Middle East and the USA. Thus, making Harkesh Rubber agile to respond to dynamic industry trends and a cult of worldwide innovation standards.
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Common Applications
Harkesh has 35+ years of experience with providing wide area of specialty services works listed below.
Water Systems
Medical
Pneumatic Actuators | Regulators | Valves Fuel Delivery Systems | Pressure Regulators
Aerospace
Fuel Pump | Thermal Actuators | Safety Valves Pneumatic Actuators | Air-Conditioning Systems.
Automobile
Brake Systems | Emission Control Systems | Fuel Regulators Pressure Regulators | Turbo Chargers
Food Beverages & Dairy Industries
Dosing Pumps | Feeding Pumps | Vaccum Pumps | Metering Pumps | Accumulators | Bladders | Micro Valves | Hydraulic Hammer Drills
Agriculture
Process Equipment Seals | Rooftop Mounting Hardware | Vacuum Equipment Seals | Pads and Bumpers | Spliced and Vulcanized O-rings | Flat Gaskets
Chemical & Process Industry
Pressure Regulators | Control Valves | Pneumatic Actuators Heating Regulation Valves | Safety Valves
Irrigation
Pipes | Hoses | Tubing | Drip Lines | Sprinklers | Sprayers | Mist Emitters
| Filters | Valves | Pumps
Oil & Gas
Gaskets | Seals | Standard & Non-Standard O-rings | Pipe, Tubing & Hose | Sleeves & Rubber Bladders | Washers | Grommets | Connectors, Couplings, and Fittings
Quad-rings, or lobed rings consists of four-lipped seals design that has gained more advantage over the traditional O-rings. The four-lobed design not only provides lower fiction than an O-ring, but also resists spiral twist, due to its square cross section. Quad-Rings are available in a wide range of elastomeric materials and are vulcanized as a continuous ring.
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