New Dirik Industries Private Limited

Silicone Rubber Gaskets are high-performance elastomeric sealing components manufactured from premium silicone rubber (VMQ – Vinyl Methyl Silicone). Known for their exceptional temperature resistance, flexibility, and chemical stability, these gaskets provide reliable sealing in extreme conditions, including high and low temperatures, ozone, UV, and weather exposure.

Silicone rubber gaskets are widely used in industries requiring long-term sealing, non-toxicity, and durability, such as food and beverage, pharmaceuticals, medical devices, electronics, automotive, and industrial machinery. These gaskets can be custom-molded, extruded, or die-cut into specific shapes and profiles to meet precise application requirements.

We are engaged in offering a wide range of 2mm PTFE Gasket to our clients. Our range of all products is widely appreciated by our clients.

We are engaged in offering a wide range of 1.5mm PTFE Gasket to our clients. Our range of all products is widely appreciated by our clients.

CAF (Compressed Asbestos Fibre) Cut Gaskets and NACF (Non-Asbestos Compressed Fibre) Cut Gaskets are precision-cut sealing components designed for flanged connections, pipe joints, valves, pumps, boilers, heat exchangers, and high-pressure / high-temperature equipment.
Both types of gaskets are manufactured by cutting gasket shapes from compressed fibre sheets, ensuring uniform sealing performance and dimensional accuracy.

While CAF gaskets contain asbestos fibres, modern industry increasingly prefers NACF gaskets, which are manufactured using aramid fibres, synthetic fibres, mineral fillers, and elastomeric binders, making them safer and compliant with global environmental and safety regulations.

2. CAF (Compressed Asbestos Fibre) Gasket — Technical Description

CAF gaskets are made from a mix of asbestos fibres, rubber binders (usually NBR/SBR), and inorganic fillers, compressed into sheets under high temperature and pressure. These gaskets offer good resistance to heat, steam, and moderate chemicals.

Technical Characteristics (CAF)

• Material Composition: Asbestos fibre + rubber binder (NBR/SBR) + fillers

• Temperature Range: Up to 250°C (depending on grade)

• Pressure Rating: Suitable for low–medium pressure systems

• Tensile Strength: Moderate

• Sealing Performance: Good for steam, oils, fuels, mild chemicals

Typical Applications (CAF)

• Aging plants & legacy machinery still approved for CAF

• Low- to medium-pressure pipelines

• Steam lines, compressors

• Pump and valve joints
  (Note: Many industries are shifting away from CAF due to health & regulatory concerns.)

3. NACF (Non-Asbestos Compressed Fibre) Gasket — Technical Description

NACF gaskets are engineered from aramid fibres, cellulose fibres, organic/synthetic reinforcement fibres, mineral fillers, and elastomeric binders such as NBR, SBR, EPDM, or high-temperature elastomers.
They deliver performance equal or superior to asbestos gaskets — without health risks.

Technical Characteristics (NACF)

• Material Composition:

  • Aramid fibres

  • Synthetic fibres

  • Mineral fillers

  • High-performance elastomeric binder

• Temperature Range: 200°C – 350°C (varies by grade)

• Pressure Resistance: High-pressure industrial sealing

• Mechanical Strength: Very high tensile strength & dimensional stability

• Sealing Ability: Excellent sealing of steam, oils, fuels, chemicals

• Chemical Resistance: Strong resistance to oils, hydrocarbons, solvents, alkaline media

Manufacturing/Processing

• Precision cutting using CNC, die punching, water-jet, or manual tools

• Accurate dimensional tolerance

• Can be customized for DIN, ANSI, BS, IS standards

4. Key Advantages: CAF vs NACF

Die Cut Gaskets are precision-engineered sealing components produced by cutting sheets of rubber, non-asbestos, PTFE, silicone, or other elastomeric/composite materials into specific shapes and sizes using custom dies. These gaskets provide accurate dimensions, uniform thickness, and consistent sealing performance, making them ideal for static and low-dynamic sealing applications in industrial, automotive, and mechanical systems.

Die cut gaskets are widely used where custom-shaped sealing solutions are required, including flanges, pumps, valves, machinery, and electrical enclosures. They offer excellent chemical resistance, thermal stability, and mechanical durability depending on the selected material.

We are engaged in offering a wide range of 0.5mm PTFE Gasket to our clients. Our range of all products is widely appreciated by our clients.

Ceramic Fiber Gaskets are high-temperature sealing components manufactured from premium ceramic fiber papers, boards, or millboards, reinforced with organic or inorganic binders. These gaskets are specifically designed for extreme thermal environments, offering exceptional stability, low thermal conductivity, and resistance to thermal shock.

Ceramic fiber material is produced from alumino-silicate fibers, giving it the ability to withstand continuous operating temperatures up to 1260°C, and high-purity grades up to 1430°C. The material remains chemically stable even when exposed to most acids, alkalis, molten metals, and aggressive industrial chemicals (except hydrofluoric acid and strong alkalis).

These gaskets maintain strength and sealing integrity at elevated temperatures, making them an ideal choice for furnaces, boilers, heat-processing equipment, and high-temperature flanges. Available in various thicknesses and densities, they can be custom-cut to fit complex shapes and equipment geometries.

Silicone O-Rings are precision-engineered elastomeric sealing rings manufactured from high-purity Silicone Rubber (VMQ – Vinyl Methyl Silicone). Silicone is known for its excellent thermal stability, flexibility, and resistance to extreme temperatures, making these O-rings ideal for sealing applications where heat, cold, or environmental exposure is critical.

Silicone O-Rings exhibit low compression set, excellent ozone/UV resistance, and superior insulating properties, making them widely suitable for electrical, medical, food-grade, pharmaceutical, and high-temperature industrial applications.

These O-rings are manufactured through precision molding processes, ensuring consistent cross-sectional accuracy, dimensional stability, and reliable long-term sealing performance in both static and mildly dynamic applications.

Material Characteristics (VMQ Silicone) 1. Composition

• High-grade Silicone Polymer (VMQ)

• Cross-linking agents (Peroxide/Platinum cured)

• Reinforcing fillers

• Optional FDA/food-grade additives

• Pigments (red, orange, blue, white, translucent, etc.)

2. Operating Temperature Range

• -60°C to +200°C (Continuous)

• Up to +230°C (Intermittent)
  Special high-temperature grades available up to 250°C.

3. Physical & Mechanical Properties (Typical Values)

• Hardness: 40–80 Shore A

• Tensile Strength: 7–10 MPa

• Elongation at Break: 200–500%

• Compression Set: Excellent (low deformation under load)

• Dielectric Strength: Very high (excellent electrical insulation)

Key Features of Silicone O-Rings 1. Wide Temperature Tolerance

Highly resistant to extreme heat and cold, making them ideal for:

• Ovens

• Autoclaves

• High-temperature sealing units

• Refrigeration systems

2. Excellent Weather, UV & Ozone Resistance

Silicone does not degrade under sunlight, ozone, or outdoor conditions — ideal for long-term exposed applications.

3. Chemically Stable

Resistant to:

• Water & steam

• Mild acids & bases

• Silicone oils

• Oxidation & atmospheric conditions

(Not suitable for petroleum oils unless special grades are used.)

4. Superior Flexibility

Maintains elasticity even in very low temperatures (down to –60°C).

5. Low Compression Set

Ensures reliable sealing performance and long-lasting shape retention.

6. Non-Toxic & Food-Grade Options

FDA/medical-grade silicone O-rings available for:

• Food processing machines

• Beverage systems

• Medical devices

• Pharma manufacturing

We are engaged in offering a wide range of 0.5mm PTFE Gasket to our clients. Our range of all products is widely appreciated by our clients.

Rubber Cut Gaskets are precision-cut sealing components manufactured from high-quality elastomeric materials such as EPDM, NBR (Nitrile), Neoprene, Silicone, Viton (FKM), or Natural Rubber. These gaskets are designed to provide leak-proof sealing, vibration damping, and mechanical protection in a wide range of industrial, automotive, and mechanical applications.

Rubber cut gaskets are typically fabricated by cutting sheets or molded rubber materials into specific shapes and dimensions using manual dies, CNC machines, or water-jet cutting. They are ideal for applications where customized shapes, tight tolerances, and flexible sealing solutions are required.

Graphite Ring Gaskets are high-performance sealing components made from flexible graphite, sometimes reinforced with a stainless steel inner ring or insert to improve mechanical strength and stability. These gaskets are specifically designed for high-temperature, high-pressure, and chemically aggressive environments, providing reliable leak-proof sealing in industrial, petrochemical, and refinery applications.

Graphite’s unique properties—excellent thermal conductivity, chemical inertness, and low creep—make these gaskets ideal for sealing flanged connections, heat exchangers, valves, reactors, and pressure vessels. They are commonly used in RTJ flanges, raised face flanges, and custom flange applications.

Composition

Glass Lined Reactor gaskets are manufactured from eco friendly natural cellulosic fibres with suitable elastomers with Polytetrafluoroethylene cover & SS 304 back up ring. A combination of all three material makes gasket mechanical strong, chemically resistance & high compressible to compensate unevenness of sealing surface.

North Star NORSTEEL is ideal sealing material for uneven & fragile surface joint.

 

Application & Service Media

North Star NORSTEEL GLR gaskets can be used to seal nozzle flanges, main body flange & manhole flange. It is universally registrant to most of chemicals, acids, alkalis etc. North Star NORSTEEL GLR gaskets are well suited to compensate for out of parallel surface joint.

 

Prime Features

High Compressibility

Corrosion Resistance

High Temperature Resistance

Chemical Resistance

Low Water Absorption

High Abrasion Resistance

Cleanable

 

 

pH Range : 0 - 14

Temperature: -25 to +280 degree centigrade

Pressure: 6 Kgs / Cm2

Compressibility: 35 % to 45 %

Thickness : 5.2 mm /8.4 mm/8.9 mm/12.1 mm

Mfg Standard: DIN 28 148 / ANSI

Composition

North Star NORSTEEL GLR gaskets are manufactured from eco friendly natural cellulosic fibres with suitable elastomers with Polytetrafluoroethylene cover & SS 304 back up ring. A combination of all three material makes gasket mechanical strong, chemically resistance & high compressible to compensate unevenness of sealing surface.

North Star NORSTEEL is ideal sealing material for uneven & fragile surface joint.

 

Application & Service Media

North Star NORSTEEL GLR gaskets can be used to seal nozzle flanges, main body flange & manhole flange. It is universally registrant to most of chemicals, acids, alkalis etc. North Star NORSTEEL GLR gaskets are well suited to compensate for out of parallel surface joint.

 

Prime Features

High Compressibility

Corrosion Resistance

High Temperature Resistance

Chemical Resistance

Low Water Absorption

High Abrasion Resistance

Cleanable

 

pH Range : 0 - 14

Temperature: -25 to +280 degree centigrade

Pressure: 6 Kgs / Cm2

Compressibility: 35 % to 45 %

Thickness : 5.2 mm /8.4 mm/8.9 mm/12.1 mm

Mfg Standard: DIN 28 148 / ANSI

Flange Gaskets are high-performance sealing components used to prevent leakage between two mating flange surfaces in piping systems, pressure vessels, and industrial equipment. They are designed to withstand pressure, temperature, and chemical exposure, ensuring a reliable seal in static or dynamic applications.

Flange gaskets are available in various materials such as non-asbestos, rubber, PTFE, graphite, metal, and composite grades, depending on the application requirements. They can be manufactured in ring, full-face, spiral wound, or custom-cut shapes to match ANSI, DIN, JIS, or API flange standards. These gaskets provide consistent sealing, reduce maintenance, and extend the service life of equipment.

High Temperature Gaskets are specially engineered sealing components designed to maintain leak-proof performance in extreme heat conditions, typically above 200°C. These gaskets are manufactured from materials such as graphite, ceramic fiber, PTFE-filled composites, mica, and high-performance elastomers, selected for their thermal stability, chemical resistance, and mechanical strength.

These gaskets are ideal for boilers, heat exchangers, furnaces, pipelines, and chemical processing equipment where conventional gaskets would fail due to thermal degradation. High temperature gaskets provide excellent compressibility, recovery, and dimensional stability, ensuring safe and reliable sealing under prolonged exposure to high heat and pressure.

Rubber Washers are precision-cut elastomeric components designed to provide reliable sealing, cushioning, vibration absorption, and load distribution in mechanical and industrial assemblies. Manufactured from high-quality rubber materials including EPDM, Nitrile (NBR), Neoprene, Silicone, Viton, and Natural Rubber, these washers offer excellent flexibility, resilience, and resistance to various environmental conditions depending on the rubber grade used.

Rubber washers prevent leakage, isolate vibration, protect surfaces, and ensure tight fastening between metal components. They also compensate for irregularities, minimize noise, and absorb shock loads in dynamic equipment. Available in standard sizes as well as custom dimensions, rubber washers are suitable for applications involving fluids, gases, vibrations, and thermal variations.

Nitrile Rubber Gaskets, commonly referred to as NBR gaskets, are high-performance sealing components made from acrylonitrile-butadiene rubber (NBR). They are specifically engineered to provide excellent resistance to oils, fuels, and a wide range of chemicals, while maintaining flexibility, durability, and leak-proof sealing under varying operating conditions.

These gaskets are widely used in automotive, industrial, oil & gas, and chemical processing applications, where oil and fuel resistance, combined with mechanical strength, is essential. NBR gaskets are available in various forms, including cut gaskets, die-cut gaskets, molded gaskets, and sheet gaskets, and can be customized to meet specific dimensional and operational requirements.

Non-Asbestos Sheets are high-performance engineered sealing and insulation sheets manufactured without the use of asbestos fibers. Instead, they are produced using a combination of aramid fibers, synthetic fibers, cellulose fibers, high-grade fillers, and elastomeric binders (such as NBR, SBR, EPDM or other rubbers). These sheets are processed under high pressure and controlled temperature, resulting in a dense, uniform, chemically stable material suitable for high-temperature and high-pressure applications.

Non-asbestos sheets are widely used for gaskets, flange joints, pipeline sealing, chemical industry sealing points, compressors, valves, boilers, pumps, and general industrial equipment. They are designed to replace hazardous asbestos-based materials while offering equal or superior performance in sealing, temperature resistance, mechanical strength, and chemical compatibility.

Technical Characteristics 1. Material Composition

• Aramid/Synthetic fibers

• Specialty mineral fillers

• Elastomeric binders (NBR/SBR/EPDM)

• Heat-resistant organic fibers

• Reinforcement additives for tensile strength

2. Manufacturing Process

• Fiber blending & homogenized mixing

• Sheet forming through calendaring

• Controlled curing process

• High-pressure compression

• Precision trimming and surface finishing

3. Physical & Mechanical Properties

(Typical values — may vary by grade)

• Density: 1.6 to 2.0 g/cm³

• Tensile Strength: 8–12 MPa

• Compressibility: 7–15%

• Recovery: 40–55%

• Temperature Resistance: Up to 250°C (standard grades)

• Chemical Resistance: Excellent against oils, fuels, solvents, mild acids/alkalis

• Pressure Resistance: Suitable for high-pressure industrial sealing applications

Key Features of Non-Asbestos Sheets 1. 100% Asbestos-Free

Safe, environmentally compliant, and free from harmful fibers. Suitable for industries requiring asbestos-free certifications.

2. High Temperature & Pressure Resistance

Can withstand demanding thermal and mechanical environments, making it ideal for steam lines, boilers, and industrial flange applications.

3. Excellent Sealing Performance

Provides superior sealing for joints, preventing leakage of gas, steam, chemicals, and oils.

4. Chemical & Oil Resistance

Highly resistant to:

• Petroleum products

• Solvents

• Lubricants

• Mild chemicals and alkaline media
  Commonly used in chemical plants and oil & gas industries.

5. Strong Mechanical Strength

Durable reinforcement fibers ensure:

• High tensile strength

• Dimensional stability

• Long service life under continuous load

6. Low Creep & Aging Resistance

Maintains sealing integrity even after long-term exposure to heat, vibration, and pressure.

7. Versatile Industrial Applications

Suitable for:

• Gaskets & flange joints

• Pump/valve sealing

• Pressure vessels

• Compressors & heat exchangers

• Chemical, petrochemical, and refinery sectors

8. Easy to Cut & Fabricate

Sheets can be easily cut into any gasket shape using dies, blades, or CNC cutting machines.

Non Asbestos Gasket Sheet is a high-performance sealing sheet manufactured from a blend of aramid fibers, mineral fibers, synthetic fibers, fillers, and high-grade elastomers (NBR/SBR/EPDM). These sheets are engineered to replace traditional asbestos sheets, offering superior sealing performance, enhanced safety, and environmental compliance.

Using advanced calendaring and vulcanization processes, non-asbestos sheets achieve excellent compressibility, recovery, tensile strength, and resistance to heat, pressure, and chemicals. They maintain structural integrity even under fluctuating operating conditions, making them suitable for a wide range of industrial applications.

The sheets are available in various grades—general purpose, oil-resistant, steam-resistant, high-temperature, and acid-resistant—depending on the elastomer binder and fiber composition.

Gasket Sheets are versatile, high-performance sealing materials designed for creating custom gaskets in a wide range of industrial applications. They are manufactured from synthetic fibers, mineral fillers, elastomeric binders, and specialty polymers, depending on the required performance characteristics. Gasket sheets provide excellent compressibility, resilience, chemical resistance, and thermal stability, ensuring a tight, leak-proof seal between flanged connections, pumps, valves, and other equipment.

These sheets are available in multiple types, including non-asbestos, rubber, PTFE, graphite, and composite grades, making them suitable for use in industries such as chemical, petrochemical, oil & gas, power plants, food processing, and general manufacturing.

EPDM (Ethylene Propylene Diene Monomer) Gaskets are high-performance elastomeric sealing components designed for applications requiring excellent weather resistance, temperature stability, and long-term durability. Manufactured from premium EPDM rubber, these gaskets provide superior resistance to ozone, UV radiation, steam, water, and a wide range of chemicals, making them ideal for outdoor, industrial, and mechanical sealing environments.

EPDM exhibits outstanding elasticity, compression set resistance, and insulating properties, ensuring a reliable and leak-proof seal even under fluctuating temperatures and pressure conditions. These gaskets maintain flexibility from low temperatures to elevated heat levels, making them suitable for dynamic as well as static sealing applications.

EPDM gaskets are available in various profiles—flat, ring type, molded, extruded, and custom-cut—to match specific industrial requirements.

Non Asbestos Jointing Sheet is a high-performance sealing material engineered from a blend of aramid fibers, mineral fibers, synthetic fibers, fillers, and high-quality elastomer binders such as NBR, SBR, or EPDM. Designed as a safe and efficient replacement for asbestos-based sheets, it delivers excellent mechanical strength, thermal stability, and chemical resistance across a wide range of industrial sealing applications.

Manufactured through advanced calendaring and vulcanizing processes, these sheets provide superior compressibility, recovery, tensile strength, and tight sealing performance under varying pressure and temperature conditions. They are used for cutting flange gaskets, high-pressure sealing components, and industrial joints.

Non asbestos jointing sheets are available in various grades such as general purpose, oil-resistant, steam-resistant, high-temperature, and chemical-resistant versions, depending on the elastomer and fiber composition. The sheets comply with modern safety and environmental regulations, making them suitable for industrial, petrochemical, and food-grade applications.

Composition

Glass Lined Reactor gaskets are manufactured from eco friendly natural cellulosic fibres with suitable elastomers with Polytetrafluoroethylene cover & SS 304 back up ring. A combination of all three material makes gasket mechanical strong, chemically resistance & high compressible to compensate unevenness of sealing surface.

North Star NORSTEEL is ideal sealing material for uneven & fragile surface joint.

 

Application & Service Media

North Star NORSTEEL GLR gaskets can be used to seal nozzle flanges, main body flange & manhole flange. It is universally registrant to most of chemicals, acids, alkalis etc. North Star NORSTEEL GLR gaskets are well suited to compensate for out of parallel surface joint.

 

Prime Features

High Compressibility

Corrosion Resistance

High Temperature Resistance

Chemical Resistance

Low Water Absorption

High Abrasion Resistance

Cleanable

 

 

pH Range : 0 - 14

Temperature: -25 to +280 degree centigrade

Pressure: 6 Kgs / Cm2

Compressibility: 35 % to 45 %

Thickness : 5.2 mm /8.4 mm/8.9 mm/12.1 mm

Mfg Standard: DIN 28 148 / ANSI