Prayag Rubber Product

An **EPDM O-ring** is an O-ring made from **Ethylene Propylene Diene Monomer (EPDM)** rubber, a highly versatile elastomer known for its excellent resistance to a variety of environmental factors. EPDM O-rings are widely used in sealing applications due to their: ### Key Features of EPDM O-rings: 1. **Weather and Ozone Resistance**: EPDM is highly resistant to aging, UV light, and ozone, making it ideal for outdoor applications or environments exposed to sunlight. 2. **Water Resistance**: EPDM O-rings are excellent for use in water and steam environments, as they offer superb resistance to water, which makes them common in plumbing and automotive cooling systems. 3. **Chemical Resistance**: EPDM performs well in the presence of mild chemicals, acids, and bases, though it is not recommended for use with oils, fuels, or hydrocarbon-based fluids. 4. **High Temperature Resistance**: They can handle a wide temperature range, typically from -50°C to +150°C (-58°F to +302°F), which makes them useful in both high and low-temperature environments. 5. **Electrical Insulation**: EPDM is non-conductive, making it suitable for electrical insulation purposes. ### Common Applications of EPDM O-rings: - **Automotive**: Sealing in cooling systems, air conditioning systems, and fuel systems (in environments where oil resistance is not critical). - **Plumbing**: Used in faucets, pipes, and water systems where resistance to water and steam is required. - **Industrial Machinery**: Seals for pumps, valves, and hydraulic systems where non-oil exposure is prevalent. - **Outdoor Equipment**: Seals in applications exposed to outdoor conditions (weather, sunlight). EPDM O-rings are an excellent choice when you need a durable, weather-resistant seal in a water-based or high-temperature environment. However, they should be avoided in applications involving oils, fuels, or other petroleum-based fluids.

A **rubber O-ring** is a mechanical gasket in the shape of a doughnut or circular ring, designed to create a seal between two parts to prevent the leakage of fluids or gases. It is typically made from rubber or elastomeric materials, such as: - **Nitrile Rubber (NBR)**: Commonly used for oil and fuel resistance. - **Viton (FKM)**: A high-performance rubber that is resistant to high temperatures and harsh chemicals. - **Silicone**: Known for its high temperature and weathering resistance. - **EPDM**: A rubber material that is resistant to water, steam, and ozone. O-rings are often used in applications such as: - Automotive engines (fuel systems, air conditioning) - Plumbing (faucets, pipes) - Hydraulic systems - Industrial machinery The O-ring works by being compressed between two surfaces, forming a seal to prevent leakage. The material choice and size of the O-ring depend on the application, fluid type, pressure, and temperature conditions.

Key Features of an O-Ring Kit

1. Variety of Sizes:

   • Kits usually contain O-rings in a range of standard sizes, often following metrics like SAE (Society of Automotive Engineers), AS568 (American Standard), or metric standards.
   • Ensures that you have the right size for various applications.

2. Material Options:

   • Common materials include nitrile (NBR), EPDM, silicone, Viton (FKM), and neoprene.
   • Choose a kit based on the intended application to ensure material compatibility with the operating environment (e.g., chemical resistance, temperature tolerance).

3. Compact Storage:

   • Comes in a compartmentalized box or case for easy organization and quick access.

4. Applications:

   • Ideal for automotive repairs, plumbing, HVAC systems, hydraulic and pneumatic systems, and industrial equipment maintenance.

Types of O-Ring Kits

1. General Purpose Kits:

   • Contains O-rings made of nitrile or neoprene, suitable for water, oil, and air sealing.

2. High-Performance Kits:

   • Features materials like Viton or silicone, designed for high-temperature or chemical-resistant applications.

3. Specialized Kits:

   • Tailored for specific industries, such as food-grade O-rings for the food processing industry or metric O-rings for equipment using non-standard sizing.

Benefits of Having an O-Ring Kit

• Time-Saving: Eliminates the need to source individual O-rings during emergencies.
• Cost-Effective: Buying a kit is often cheaper than purchasing O-rings individually.
• Versatility: Covers a wide range of applications with one purchase.
• Convenience: Compact and portable for on-site repairs.

Dowty Bonded Seals, also known as bonded washers, are high-pressure sealing washers designed to replace traditional copper gaskets and O-rings in static sealing applications. They consist of a metal washer with a vulcanized elastomeric sealing ring bonded to the inside diameter, providing a reliable, reusable, and leak-proof seal under pressure.

Key Features:

• Metal-Rubber Combination: Metal ring ensures strength; rubber seal provides excellent sealing performance.

• High-Pressure Sealing: Suitable for applications up to 1500 bar, depending on size and material.

• Reusable Design: Can often be reused without loss of performance, reducing maintenance costs.

• Self-Centering Options: Available in self-centering versions (Dowty Type D) for easier installation.

• Temperature & Chemical Resistance: Sealing materials can be selected based on temperature and media compatibility.

Material Options:

• Metal Washer: Carbon Steel, Stainless Steel, Aluminum, Brass

• Rubber Seal: Nitrile (NBR), Viton® (FKM), EPDM, Silicone (VMQ), depending on temperature and fluid compatibility

PU UHS Seal – Description

A PU UHS Seal is a type of polyurethane (PU) hydraulic seal used in both piston and rod applications within hydraulic cylinders. "UHS" refers to the seal’s profile and geometry, specifically a symmetrical U-cup design with equal sealing lips. These seals are designed for reciprocating motion and are ideal for high-pressure and high-wear environments.

🔧 Key Specifications ✅ Advantages

• Excellent wear resistance

• High pressure resistance

• Low compression set

• Good chemical and oil resistance

• Ideal for dynamic and static applications

🔄 Applications

• Hydraulic cylinders in:

  • Construction equipment

  • Agricultural machinery

  • Material handling systems

  • Industrial automation

  • Injection molding machines

🔍 Design Features

• Inner and outer lips: Provide sealing for both directions of pressure

• Symmetrical profile: Simplifies inventory and installation

• PU material: Resists extrusion and maintains sealing performance under load

Let me know if you need sizing charts, datasheets, or help identifying a specific seal for your equipment.

Our Hydraulic Seal Kit includes high-performance sealing and guiding elements: the Piston Glyd Ring, Rod Step Seal, and Guide Strap (Guide Strip) — engineered to ensure leak-free operation, precise guidance, and extended service life in hydraulic and pneumatic cylinders.

🔹 Piston Glyd Ring (Double-Acting Seal)

A low-friction, wear-resistant seal used for dynamic piston sealing in double-acting hydraulic cylinders.

Features:

• Made from PTFE with elastomer energizer (NBR or FKM)

• Excellent sealing at low and high pressures

• Suitable for high-speed applications

• Low stick-slip for smooth piston motion

• Temperature range: -30°C to +200°C (depending on material)

Applications: Industrial hydraulic cylinders, mobile equipment, injection molding machines.