o Rings

O-Rings are sealing devices typically used in a variety of industries such as automotive, construction, pharmaceuticals, food processing, and general industrial applications.

Brand : LOCUS
Product Name : O-Ring
Material : Rubber, Silicone, Nitrile, EPDM, Viton
Size Range : Custom Sizes (Metric & Imperial)
Temperature Range : -40°C to 250°C (depending on material)
Pressure Range : Up to 300 bar (depending on material)
Color : Black, White, Red, Blue, Green, Custom
Certifications : ISO 3601, RoHS, REACH, FDA (for food-grade)
Packaging : Bulk, Custom Packing
MOQ : 100 pieces (negotiable)
Lead Time : 7–15 days depending on order size

Description

1. Description

O-Rings are sealing devices typically used in a variety of industries such as automotive, construction, pharmaceuticals, food processing, and general industrial applications. Made from a variety of rubber-based materials like silicone, Nitrile, Viton, and EPDM, these rings form a seal between two surfaces to prevent leakage of liquids or gases. Locus O-Rings are manufactured to the highest standards and come in a variety of sizes and materials to meet specific application requirements.

2. Specifications

Feature	Specification
Material Options	Nitrile, Viton, Silicone, EPDM, Neoprene
Durometer	30 Shore A – 90 Shore A
Size Range	Custom, available in standard AS, BS, ISO sizes
Temperature Range	-40°C to 250°C
Pressure Range	Up to 300 bar
Working Environment	Suitable for both high and low-pressure applications
Certifications	ISO 3601, RoHS, FDA (for food-grade), REACH
Color Options	Custom color options available

3. Working

O-Rings function by creating a tight seal between two mating surfaces when compressed. The elastomer material’s flexibility ensures that the O-Ring conforms to the surface, blocking any gaps that could cause leakage. This sealing mechanism works effectively in both static and dynamic applications, where sealing pressure is required to prevent the flow of liquids, gases, or other substances.

4. Principle

The principle of O-Rings is based on compression sealing. When the O-Ring is placed between two surfaces, it is compressed by the external forces. This creates a pressure-resistant seal that prevents fluids or gases from escaping the joint. O-Rings can be used in applications with both high and low pressures, depending on the material used.

5. Assembly

Assembly Process for O-Rings:

1. Inspect the O-Ring: Ensure the O-Ring is free of cuts, tears, and imperfections.
2. Clean the Groove: Clean the groove where the O-Ring will be placed to avoid contamination.
3. Lubrication: Apply a small amount of lubrication (compatible with the O-Ring material) to reduce friction.
4. Place the O-Ring: Gently place the O-Ring into the groove to ensure proper seating.
5. Press the Surfaces Together: Align and press the mating surfaces together evenly to create a uniform seal.

6. Installation Process

O-Ring Installation Process:

1. Ensure Compatibility: Verify that the O-Ring size and material are suitable for the application (pressure, temperature, chemical compatibility).
2. Prepare the Groove: Clean the groove to remove dirt, debris, and any old sealant.
3. Install the O-Ring: Gently insert the O-Ring into the groove, ensuring it is evenly seated.
4. Apply Pressure Gradually: As the mating parts come together, the O-Ring will compress and form a seal. Avoid sharp contact with metal edges to prevent cutting the O-Ring.
5. Check the Seal: Once installed, test for leaks by applying pressure or fluid to confirm the seal is effective.

7. Technical Specifications

Specification	Value
Material	Nitrile, Silicone, Viton, EPDM
Hardness (Shore A)	30 – 90
Temperature Range	-40°C to 250°C
Pressure Resistance	Up to 300 bar (depending on material)
Chemical Resistance	Excellent chemical resistance for most oils, fuels, and solvents
Size Tolerance	AS, BS, ISO standard tolerances (custom sizes also available)

8. Troubleshooting

Issue	Cause	Solution
Leakage	Incorrect installation, wrong material	Recheck the size and ensure correct installation
Wear and Tear	Exposure to extreme temperatures, chemicals	Replace O-Ring with appropriate material for the environment
O-Ring Damage	Sharp edges or improper handling	Ensure smooth, clean installation and avoid sharp surfaces
Deformation	Overcompression, exceeding temperature limits	Choose an O-Ring material with higher compression resistance

9. HS Codes

HS Code for O-Rings (Rubber or Plastic Seals): 8484.10.00
HS Code for Silicone O-Rings: 3917.32
HS Code for Nitrile O-Rings: 4009.31
HS Code for EPDM O-Rings: 4009.11

10. Frequently Asked Questions (FAQ)

Q: What are O-Rings made of?
A: O-Rings can be made of various materials such as rubber (Nitrile, EPDM, Silicone) or plastics (Viton, Neoprene) depending on the application requirements.

Q: What is the main use of O-Rings?
A: O-Rings are primarily used for sealing applications to prevent leakage of fluids or gases in industries like automotive, manufacturing, construction, and pharmaceuticals.

Q: Can I use O-Rings in high-temperature applications?
A: Yes, depending on the material of the O-Ring, they can withstand temperatures ranging from -40°C to 250°C.

Q: How do I know the correct size of O-Ring?
A: The correct size is determined by the groove dimensions (diameter and width) and the application pressure and temperature.

11. Applications

Automotive Industry: Used in engines, pumps, valves, and fuel systems for leak prevention.
Aerospace Industry: O-Rings seal critical parts in engines, hydraulic systems, and fuel systems.
Pharmaceutical & Food Processing: FDA-approved O-Rings are used in pumps, valves, and pipelines for food and drug applications.
Oil & Gas Industry: O-Rings provide reliable sealing in pressure systems, compressors, and pumps.
Industrial Equipment: Used in hydraulic and pneumatic systems, valves, and pumps to prevent fluid leakage.

Locus Brand Details

Locus International Exports manufactures high-quality O-Rings as per ISO 3601 standards, offering various materials and sizes suitable for a wide range of industrial applications. With a commitment to precision engineering and customer satisfaction, LOCUS ensures that all products meet stringent quality checks and are made with the highest-grade materials for durability and performance.

Certifications: