Voltomach Seals Engineering Pvt. Ltd.

Silicone O-Rings are designed for applications that require excellent flexibility, high-temperature resistance, and long-term sealing stability. Made from premium VMQ silicone rubber, these O-Rings maintain elasticity in both extremely low and high temperatures, making them ideal for sensitive, precision, and hygienic equipment. They offer reliable sealing performance with minimal compression set, even under continuous thermal cycling.

Temperature Range:

–60°C to +200°C

Material:

• Silicone (VMQ)
  Highly flexible, non-reactive, and stable across wide temperature variations. Provides excellent resistance to heat, ozone, weathering, and mild chemicals.

Features & Benefits:

• Excellent low- and high-temperature performance

• Soft, flexible material for smooth sealing

• Good resistance to weather, ozone, and UV exposure

• Low compression set for long service life

• Suitable for precision, medical, and hygienic environments

• Available in multiple hardness levels and colors

Applications:

• Medical and laboratory equipment

• Food, beverage, and dairy processing machinery

• HVAC systems and water purification units

• Low-pressure valves and pumps

• Electronics, sensors, and optical equipment

• General industrial sealing where thermal stability is essential

Contact for Best Price & Catalog:

We offer Silicone O-Rings in a wide range of standard sizes, custom dimensions, and special compound options.
Contact us today for competitive pricing, technical consultation, and a detailed product catalog.

Food Grade Silicone O-Rings are specially developed for applications requiring high purity, excellent flexibility, and resistance to extreme temperatures. Made from food grade silicone rubber, these O-Rings are safe for direct contact with food, beverages, pharmaceuticals, and potable water. They maintain elasticity, stability, and sealing performance even under frequent cleaning, high heat, and continuous compression cycles.
Temperature Range:

–60°C to +200°C

Material:

• Food Grade Silicone (VMQ)
  Odorless, tasteless, non-toxic, . Offers excellent heat resistance, cold flexibility, and low compression set.

Features & Benefits:

• Safe for food, beverage.

• High-temperature and low-temperature resistance

• Excellent elasticity and sealing performance

• Resistant to hot water, steam, and cleaning chemicals

• Non-staining and non-reactive

• Ideal for hygienic and sanitization-heavy environments

Applications:

• Food & beverage processing equipment

• Dairy machinery and milk handling systems

• Pharmaceutical & medical devices

• Water filtration and purification units

• Beverage filling machines, dispensers, and bottling lines

• Packaging equipment used in hygienic environments

Contact for Best Price & Catalog:

We offer Food Grade Silicone O-Rings in standard sizes, custom colors, and special hardness options.
Contact us today for competitive pricing, technical support, and a detailed product catalog.

Nitrile O-Rings, also known as NBR O-Rings, are the most commonly used sealing rings due to their excellent resistance to oils, fuels, lubricants, and a wide range of industrial fluids. Made from high-quality Nitrile Rubber, these O-Rings provide strong mechanical properties, good elasticity, and reliable sealing in both static and dynamic applications. Their performance and affordability make them ideal for a wide variety of engineering, automotive, hydraulic, and pneumatic systems.

Temperature Range:

–40°C to +120°C

Material:

Nitrile Rubber (NBR) offers outstanding compatibility with petroleum-based oils, fuels, hydraulic fluids, and greases. It provides good tensile strength, abrasion resistance, and low compression set, ensuring long-lasting sealing performance in moderate temperature and pressure environments.

Features & Benefits:

Nitrile O-Rings ensure dependable sealing with excellent oil and fuel resistance while maintaining durability under continuous operation. Their balanced chemical resistance, mechanical strength, and cost-effectiveness make them a preferred choice for general-purpose sealing across multiple industries.

Applications:

These O-Rings are widely used in hydraulic cylinders, pumps, valves, engines, compressors, pneumatic systems, automotive fuel handling components, and industrial machinery where consistent sealing against oils and lubricants is required.

PU O-Rings, made from high-performance polyurethane elastomers, are designed for applications that require exceptional abrasion resistance, high tensile strength, and long-lasting sealing performance. Polyurethane offers superior mechanical durability compared to traditional rubber materials, making these O-rings ideal for demanding environments involving high pressure, rapid movement, or repeated mechanical stress. PU O-rings maintain their shape and elasticity under load, resist extrusion, and provide reliable sealing in both static and dynamic applications, especially where heavy wear or hydraulic pressures are present.

Temperature Range:

–30°C to +100°C (depending on PU grade)

Material:

Polyurethane (PU) delivers outstanding wear resistance, excellent tear strength, and superior resistance to oils, hydraulic fluids, and certain chemicals. Its tough, elastic nature makes it suitable for sealing applications involving high pressure, heavy loads, and continuous motion, where traditional elastomers like NBR or EPDM may not perform as effectively.

Features & Benefits:

PU O-Rings offer exceptional mechanical strength, low compression set, and excellent resistance to extrusion and abrasion. Their robust material properties ensure longer service life in hydraulic and pneumatic systems, as well as improved operational reliability in equipment exposed to high pressure or dynamic movement.

Applications:

These O-rings are widely used in hydraulic cylinders, pneumatic tools, pumps, valves, heavy machinery, shock absorbers, and industrial equipment requiring strong, durable sealing. Their resistance to wear and deformation makes them ideal for high-pressure environments and extended-duty applications.

EPDM O-Rings are designed for applications requiring excellent resistance to hot water, steam, weathering, and aggressive environmental conditions. Made from high-quality Ethylene Propylene Diene Monomer rubber, these O-Rings provide stable performance in outdoor, hygienic, and water-based systems. They maintain elasticity and sealing strength even when exposed to UV radiation, ozone, or cleaning chemicals, making them suitable for both industrial and sanitary applications.

Temperature Range:

–50°C to +150°C

Material:

EPDM rubber offers exceptional resistance to steam, hot water, ozone, UV exposure, and many polar chemicals while maintaining flexibility and low compression set. It is non-reactive and safe for systems involving water, beverages, and sanitary processes, while also performing well in outdoor or high-moisture conditions.

Features & Benefits:

EPDM O-Rings provide long-lasting sealing with excellent weather, steam, and chemical resistance. They retain their flexibility over a wide temperature range, offer reliable sealing in both static and dynamic systems, and are ideal for applications requiring hygiene, moisture protection, or exposure to outdoor environments.

Applications:

These O-Rings are widely used in water filtration units, plumbing systems, beverage and food processing equipment, pumps, valves, steam lines, HVAC systems, and outdoor industrial machinery where resistance to moisture, chemicals, and aging is essential.

Buna-N O-Rings, also known as Nitrile O-Rings, are widely used sealing components known for their excellent resistance to oils, fuels, lubricants, and common industrial fluids. Made from high-quality Nitrile Rubber, these O-Rings provide dependable sealing performance in both static and dynamic applications. Their combination of durability, elasticity, and affordability makes them a preferred choice for industrial, automotive, hydraulic, and pneumatic systems.

Temperature Range:

–40°C to +120°C

Material:

Buna-N (Nitrile Rubber) offers outstanding resistance to petroleum-based oils, fuels, hydraulic fluids, and grease. It maintains strong tensile strength, good abrasion resistance, and reliable sealing properties across a wide range of operating conditions. Its balanced physical and chemical characteristics make it suitable for general industrial environments.

Features & Benefits:

Buna-N O-Rings deliver excellent oil and fuel resistance while providing strong mechanical durability and low compression set. They remain flexible during continuous operation, offering a cost-effective sealing solution for machinery and equipment exposed to lubricants and hydraulic fluids.

Applications:

These O-Rings are commonly used in automotive fuel systems, hydraulic cylinders, pumps, valves, compressors, pneumatic tools, industrial machinery, and general equipment requiring reliable sealing in contact with oils, fuels, and lubricants.

NBR O-Rings are the most widely used sealing rings due to their excellent resistance to oils, fuels, and common industrial fluids. Made from high-quality Nitrile Rubber, these O-Rings provide dependable sealing performance in both static and dynamic applications, making them a versatile and cost-effective solution for a broad range of machinery and equipment.

Temperature Range:

–40°C to +120°C

Material:

Nitrile Rubber (NBR) is known for its outstanding resistance to petroleum-based oils, hydraulic fluids, fuel mixtures, lubricants, and grease. It offers good tensile strength, abrasion resistance, and stable sealing properties, making it suitable for equipment operating under moderate temperatures and varying mechanical stresses.

Features & Benefits:

NBR O-Rings deliver reliable sealing performance with excellent oil and fuel resistance, strong mechanical durability, and low compression set. They maintain flexibility during operation while providing cost-effective, long-lasting sealing in industrial environments where exposure to oils and hydraulic fluids is common.

Applications:

These O-Rings are extensively used in automotive engines and fuel systems, hydraulic cylinders, pumps, valves, compressors, pneumatic equipment, and general industrial machinery. They are ideal for applications requiring consistent sealing in contact with oils, fuels, lubricants, and hydraulic fluids.

Flat O-Rings, also known as flat rubber rings or washer-style O-rings, are designed to provide reliable sealing in applications where a wider surface contact and improved stability are required. Unlike traditional round O-rings, flat O-rings have a rectangular cross-section that enhances sealing performance by distributing pressure evenly across the sealing surface. This design reduces the risk of extrusion and improves sealing reliability in static, low-pressure, and bolted joint applications.

Temperature Range:

Temperature range varies based on material:
NBR: –40°C to +120°C
EPDM: –50°C to +150°C
Silicone: –60°C to +200°C
Viton (FKM): –20°C to +200°C
Neoprene: –40°C to +120°C
HNBR: –40°C to +150°C

Material:

Flat O-Rings can be manufactured from NBR, EPDM, Silicone, Viton, Neoprene, or HNBR depending on application requirements. Each material offers unique benefits such as oil resistance, chemical compatibility, weather resistance, heat tolerance, and long-term durability, allowing flat O-rings to perform effectively in a variety of industrial and mechanical environments.

Features & Benefits:

Flat O-Rings offer enhanced sealing stability due to their larger contact surface, which helps maintain consistent compression and reduces leakage risks. Their flat profile resists twisting, improves seating alignment, and provides better performance in flanged joints, static housings, and slow-moving equipment. They deliver dependable sealing, longer service life, and improved durability in environments where traditional O-rings may deform or extrude.

Applications:

Flat O-Rings are commonly used in pumps, valves, pipe fittings, flanges, hydraulic and pneumatic assemblies, water filtration systems, automotive components, and various industrial sealing applications. They are ideal for static sealing, wide contact surfaces, and equipment requiring strong, stable sealing with minimal movement.

Viton O-Rings are engineered for high-performance sealing in extreme environments involving elevated temperatures, aggressive chemicals, and continuous mechanical stress. Made from premium Fluoroelastomer (FKM), these O-Rings maintain sealing strength even when exposed to fuels, solvents, oils, and corrosive chemicals, making them ideal for demanding industrial and automotive applications.

Temperature Range:

–20°C to +200°C

Material:

Viton (FKM) offers exceptional resistance to chemicals, high temperatures, fuels, oils, and ozone. Its superior thermal stability and low compression set make it one of the most reliable sealing materials for harsh and critical environments where standard elastomers fail.

Features & Benefits:

Viton O-Rings deliver reliable sealing under high heat, aggressive chemicals, and long-term exposure to fuels or solvents. They maintain elasticity and shape retention over prolonged use, making them ideal for heavy-duty and high-temperature machinery where maximum durability and chemical compatibility are required.

Applications:

These O-Rings are commonly used in automotive fuel systems, hydraulic equipment, chemical processing machinery, pumps, compressors, aerospace systems, and industrial environments where exposure to harsh chemicals and high temperatures is constant.

HNBR O-Rings are designed for tough applications that require exceptional resistance to heat, oils, fuels, chemicals, and mechanical stress. Made from Hydrogenated Nitrile Rubber, HNBR combines the oil resistance of NBR with enhanced strength, abrasion resistance, and temperature stability, making it suitable for high-demand sealing conditions.

Temperature Range:

–40°C to +150°C

Material:

HNBR provides superior mechanical strength, excellent resistance to oils, fuels, and aggressive chemicals, and improved durability under continuous movement or pressure. It maintains shape and elasticity under demanding operating conditions, outperforming standard NBR in harsh environments.

Features & Benefits:

HNBR O-Rings offer long-lasting sealing performance with excellent heat, oil, and chemical resistance. Their superior mechanical properties make them ideal for high-pressure, high-temperature, and dynamic sealing environments where reliability is critical.

Applications:

These O-Rings are widely used in automotive engines and fuel systems, hydraulic and pneumatic equipment, oil and gas machinery, compressors, pumps, and industrial systems that operate under elevated temperatures and aggressive fluid exposure.

PTFE O-Rings are engineered for applications requiring superior chemical resistance, high-temperature stability, and exceptional durability. Made from pure polytetrafluoroethylene, these O-rings offer outstanding inertness, making them ideal for environments where traditional elastomers cannot withstand aggressive chemicals, solvents, or extreme thermal conditions. PTFE maintains its sealing integrity even under high pressure, rapid temperature fluctuations, and long-term exposure to corrosive media, ensuring reliable performance in the most demanding industrial systems.

Temperature Range:

–200°C to +250°C

Material:

PTFE (Polytetrafluoroethylene) provides unmatched chemical compatibility, extremely low friction, and excellent resistance to heat, oxidation, and weathering. The material does not swell, degrade, or react with most chemicals, making it suitable for harsh process environments, clean-room applications, and systems requiring long-term stability.

Features & Benefits:

PTFE O-rings deliver exceptional performance in extreme conditions, offering a non-reactive and low-friction sealing solution that resists deformation, chemical attack, and high thermal loads. Their rigid and stable structure ensures consistent sealing where rubber O-rings may fail, especially in high-purity, corrosive, or high-temperature applications.

Applications:

These O-rings are widely used in chemical processing equipment, pharmaceutical and food production systems, pumps, valves, compressors, laboratory instruments, semiconductor manufacturing, and any application requiring resistance to aggressive chemicals or extreme temperatures. They are preferred in industries where purity, chemical stability, and long operational life are critical.

X-Rings, also known as Quad Rings, are advanced sealing rings designed with a four-lobed cross-section that provides enhanced sealing performance and reduced friction compared to traditional O-rings. Their unique profile prevents twisting and rolling within the groove, ensuring stable and reliable sealing during both static and dynamic applications. X-Rings maintain better lubrication retention, distribute pressure more evenly, and offer longer service life due to reduced wear on the sealing surfaces. They can be manufactured in materials such as NBR, Viton, EPDM, Silicone, Neoprene, and HNBR, allowing them to perform effectively in various temperature ranges, chemical environments, and mechanical conditions. X-Rings are widely used in hydraulic and pneumatic cylinders, pumps, valves, actuators, reciprocating shafts, and industrial machinery where superior dynamic sealing and extended durability are required.

Quad Rings, also known as X-Rings, are high-performance sealing rings designed with a unique four-lobed profile that provides superior sealing efficiency compared to standard O-rings. This distinctive geometry offers multiple sealing surfaces, reduces friction, and prevents the ring from rolling or twisting inside the groove, resulting in a longer service life and more stable sealing performance. Quad Rings maintain better lubrication retention, minimize wear during dynamic motion, and provide consistent sealing pressure even under fluctuating loads. They can be manufactured in materials such as NBR, Viton, EPDM, Silicone, Neoprene, and HNBR, allowing them to perform across a wide range of temperatures, chemicals, and mechanical conditions. Quad Rings are commonly used in hydraulic and pneumatic systems, reciprocating shafts, valves, pumps, automotive components, and industrial machinery where reliable dynamic sealing and extended durability are essential.

Rubber O-Rings are versatile and widely used sealing components designed to provide reliable sealing in static and dynamic applications across countless industries. Manufactured from elastomeric materials such as NBR, EPDM, Silicone, Viton, Neoprene, and HNBR, these O-rings offer excellent flexibility, resilience, and compatibility with a broad range of fluids, temperatures, and environmental conditions. Their circular cross-section allows them to create effective seals by compressing within a groove, preventing the passage of liquids or gases even under pressure or movement. Rubber O-rings deliver dependable performance in machinery, pumps, valves, hydraulic systems, automotive components, water-handling equipment, and general industrial applications. Their wide material availability and cost-effective production make them one of the most essential sealing solutions for both standard and demanding operating environments.

Professional-Grade Universal Sealing Assortment

The PX100 Kit is a versatile, high-performance O-ring set designed for rapid maintenance and leak prevention in industrial, hydraulic, and automotive environments.

Core Features

• Premium Material: High-durability Nitrile (NBR 70) with superior resistance to oils, grease, and hydraulic fluids.

• Versatile Range: Includes 100 essential sizes to cover a wide spectrum of machinery and repair needs.

• High Resilience: Temperature rated from -40°C to +120°C, ensuring reliable performance in demanding conditions.

• Organized Portability: Supplied in a rugged, labeled case for quick size identification and easy storage.

High Temperature Silicone O-Ring – HyperX

HyperX High Temperature Silicone O-Rings are precision-engineered sealing solutions designed for extreme heat, pressure, and demanding industrial applications. Manufactured using premium-grade silicone rubber, these O-rings deliver excellent thermal stability, elasticity, and long service life.

Brand: HyperX

Technical Specifications

 

• Material: High-Grade Silicone Rubber

• Temperature Range: -60°C to +230°C (intermittent up to 250°C)

• Tensile Strength: 7–10 MPa

• Elongation at Break: 350–450%

• Hardness: 50–80 Shore A (customizable)

• Color: Red / White / Translucent (custom options available)

Key Features

• Excellent resistance to high temperature & thermal aging

• Superior elastic recovery and flexibility

• Resistant to ozone, UV, and weathering

• Non-toxic and suitable for food & pharma applications

• Long operational life with minimal compression set

Applications

• High-temperature industrial machinery

• Oil & gas, power plants, and furnaces

• Automotive & engine components

• Food processing & pharmaceutical equipment

• Electrical, HVAC, and chemical industries

Why HyperX Silicone O-Rings?

• Consistent quality & precise dimensions

• Custom sizes and hardness available

• Reliable sealing under extreme conditions

We are Voltomach Seals, a leading ISO 9001:2015 certified manufacturer and supplier of high-performance HyperX Silicone O-Rings in India. Engineered to excel where ordinary seals fail, our HyperX range is built for extreme temperatures, harsh chemicals, and demanding environments, delivering unmatched reliability for critical sealing applications. Trusted across automotive, food processing, medical, pharmaceutical, HVAC, and plumbing industries.

Key Features of HyperX Silicone O-Rings:

• Material: Premium Silicone Rubber (VMQ) – HyperX Grade

• Temperature Range: -60°C to +230°C (Extended Performance)

• Certifications: FDA 21 CFR 177.2600 (Food Grade), USP Class VI (Medical Grade), RoHS Compliant

• Standards: AS568, DIN 3771, BS, JIS, ISO 3601

• Hardness: 40 to 80 Shore A (Customizable)

• Colors: Red, Black, White, Blue, Translucent (Custom Colors Available)

Why Choose HyperX by Voltomach Seals?

✅ ISO 9001:2015 Certified Manufacturing – Quality Assured
✅ Made in India – Reliable Supply, Faster Delivery
✅ Bulk & OEM Discounts – Cost-Effective for Large Orders
✅ Technical Support – Expert Guidance on Seal Selection
✅ Custom Solutions – Any Size, Shape.

Applications:

 

Automotive Engines • Food & Beverage Processing • Medical Devices • Pharmaceutical Equipment • HVAC Systems • Plumbing & Water Treatment • Industrial Machinery • Electrical Enclosures

Neoprene O-Rings are designed for reliable sealing in environments that require balanced resistance to oils, moderate chemicals, weathering, and outdoor exposure. Made from CR (Chloroprene Rubber), the material provides a versatile combination of durability, flexibility, and environmental resistance, making it suitable for a wide range of industrial and mechanical applications.

Temperature Range:

–40°C to +120°C

Material:

Neoprene (CR – Chloroprene Rubber) offers dependable sealing performance due to its resistance to oils, greases, refrigerants, ozone, sunlight, and moderate chemicals, while maintaining good elasticity and mechanical strength across varied temperature conditions.

Features & Benefits:

Neoprene O-Rings provide a stable and long-lasting sealing solution, offering strong weather and ozone resistance, reliable flexibility, and good mechanical durability. Their ability to withstand outdoor exposure, fluctuating temperatures, and moderate chemical contact makes them a cost-effective choice for general sealing applications.

Applications:

These O-Rings are widely used in refrigeration and HVAC systems, pumps, valves, water handling equipment, automotive assemblies, outdoor machinery, electrical enclosures, and general industrial equipment where moderate chemical resistance and environmental durability are required.