O Ring Manufacturer in India – Industrial Sealing Solutions by Gasco Inc

Author : Gasco INC | Published On : 30 Oct 2026

 O rings play an important role in preventing such problems by creating a reliable seal between two connected Gasco Inc is a Mumbai-based supplier of industrial sealing products, including O rings, gaskets, seal rings and gland packings. In industrial operations, even a small leakage can affect equipment performance, increase maintenance costs and interrupt production. surfaces.

As an O ring manufacturer in India and industrial sealing solutions provider, Gasco Inc caters to businesses looking for dependable products for machinery, fluid-handling systems and engineering applications. The company offers different O ring materials to suit varying temperature conditions, chemical exposure and operational requirements. 

With its base in Mumbai, Maharashtra, Gasco Inc serves industrial customers seeking an O ring supplier in India and welcomes enquiries from domestic and international buyers. Understanding the available materials, dimensions and applications helps businesses make informed purchasing decisions and select seals suited to their operating environment.

Understanding the Different Types of O Rings and Their Applications

 

The types of O rings available for industrial use differ in flexibility, temperature resistance, chemical compatibility and mechanical properties. Four commonly specified options are Silicone, Nitrile, Viton and EPDM O rings. Each offers distinct advantages, making material selection an important part of equipment design and maintenance.

Silicone O Rings for Temperature-Sensitive Applications

Silicone O rings are known for their flexibility and ability to perform across a broad temperature range. They are used in selected food-processing equipment, medical devices and industrial machinery where the appropriate compound meets the required standards. Their suitability depends on factors such as mechanical stress, fluid exposure and the application's certification requirements.

Nitrile O Rings for Oil and Hydraulic Systems

Nitrile O rings, also known as NBR O rings, are widely used because of their good resistance to petroleum-based oils, greases and many fuels. They are a practical option for hydraulic equipment, pumps, automotive components and general engineering machinery. Their combination of useful sealing properties and cost-effectiveness makes them a popular choice for routine industrial applications.

Viton O Rings for Heat and Chemical Resistance

Viton O rings, made from FKM fluoroelastomer, are commonly selected for applications involving elevated temperatures, oils, fuels and many industrial chemicals. They are particularly useful in demanding environments such as petrochemical plants, chemical processing equipment and fuel-handling systems. The specific FKM grade must be checked against the chemicals and temperatures encountered during operation.

EPDM O Rings for Water and Weather Exposure

EPDM O rings provide good resistance to ozone, weathering and water, with suitable grades also used in certain steam applications. They are frequently considered for water systems, plumbing equipment, outdoor installations and compatible industrial environments. However, EPDM is generally not recommended for petroleum-based oils and fuels, so the intended application should always guide material selection.

Comparing Nitrile and Viton O Rings for Industrial Requirements

Choosing between Nitrile and Viton depends on the operating environment rather than price alone. Nitrile is often suitable for everyday oil-sealing requirements, while Viton is preferred for many applications involving higher temperatures or more demanding chemical exposure.

Comparison Factor

Nitrile O Rings

Viton O Rings

Main advantage

Good oil and grease resistance

Strong heat and chemical resistance

Typical applications

Pumps, hydraulic systems and automotive equipment

Chemical plants, fuel systems and petrochemical machinery

Cost consideration

Generally more economical

Generally higher initial cost

Selection priority

Fluid compatibility and operating temperature

Chemical compatibility and thermal performance

The table provides a general comparison, not a universal performance guarantee. Actual results depend on the compound formulation, pressure, temperature and fluid involved. Consulting the relevant product specifications before purchasing can help reduce premature seal failure and unnecessary replacement costs.

O Ring Size Chart in MM for Easier Product Selection

Correct sizing is essential for effective sealing. An O ring that is too small, too large or incorrectly matched to its groove may leak, become damaged during installation or wear out prematurely. Buyers should identify both the inside diameter (ID) and cross-sectional diameter (CS) when requesting a replacement or specifying a new seal.

Inside Diameter (ID)

Cross Section (CS)

10 mm

2 mm

15 mm

2 mm

20 mm

2.5 mm

25 mm

3 mm

30 mm

3 mm

40 mm

4 mm