- IATF 16949 Certified Company
Anand Liners offers inlet and exhaust valves also known as engine valves for a variety of applications, including heavy-duty diesel engines for trucks, buses, automotive cars, earth-moving equipment, farm tractors, industrial and agricultural engines, and power generator sets. These top-quality products are commonly used in well-known engines.
For over four decades, with a focus on efficient systems, Anand Liners has been delivering precision-quality engine valves. Our engine valves are designed to overcome challenges such as increased temperatures, combustion pressure, corrosion, and seat wear, ultimately enhancing the efficiency and performance of vehicles.
We serve the international aftermarket, supplying our products to 75+ Nations around the world.
Friction welded engine valves are manufactured using an advanced welding technique that joins two different metals through heat generated by friction. This process allows the valve head and stem to be made from different materials, combining high-temperature resistance with excellent mechanical strength. The valve head is designed to withstand extreme combustion temperatures, while the stem provides durability and stability during continuous engine operation. Friction welded valves are widely used in modern diesel and petrol engines due to their ability to perform reliably under high pressure and demanding working conditions.
These valves are widely used in heavy-duty diesel engines, commercial vehicles, agricultural machinery, and industrial engines where durability and reliability are critical. The friction welding process ensures a strong metallurgical bond between the materials, reducing the chances of failure even under demanding operating conditions. Additionally, friction welded valves provide improved resistance to thermal fatigue, corrosion, and mechanical wear. Their advanced construction helps maintain consistent valve performance, improving engine efficiency, longevity, and overall reliability.
Stellite-tipped engine valves are engineered with a special Stellite alloy applied to the valve face and seat area. Stellite is known for its exceptional hardness, heat resistance, and wear resistance, making it ideal for engines operating in extreme environments. This design protects the valve from corrosion, erosion, and high combustion temperatures, ensuring long-lasting performance and reduced maintenance. Stellite-tipped valves are commonly used in heavy-duty diesel engines, commercial vehicles, and industrial engines where durability and reliability are critical.
The Stellite tip protects the valve face from constant impact with the valve seat during engine operation. This significantly reduces wear and increases the lifespan of the valve and seat components. These valves are commonly used in heavy-duty diesel engines, high-performance automotive engines, and industrial power systems where engines operate continuously under challenging conditions. By maintaining a reliable sealing surface, Stellite-tipped valves help improve combustion efficiency and reduce maintenance requirements. Their durability makes them a preferred choice for engines that require long service intervals and consistent performance.
Scraper valves are designed with a unique structure that helps prevent the buildup of carbon deposits around the valve stem and guide. During engine operation, these valves effectively scrape away carbon particles, ensuring smooth valve movement and reducing the risk of valve sticking. By minimizing deposit accumulation, scraper valves help maintain proper airflow and combustion efficiency. This design improves engine performance, reduces maintenance requirements, and extends the lifespan of engine components.
This design improves the cleanliness of the valve system and ensures smoother valve operation over time. Scraper valves are commonly used in diesel engines and heavy-duty applications where engines run for long hours and are exposed to high levels of combustion residue. By preventing excessive buildup, these valves help reduce wear on valve guides and maintain proper lubrication around the stem. As a result, engines can operate more efficiently with reduced maintenance needs and improved long-term reliability.
Reduced stem engine valves feature a thinner valve stem compared to conventional valve designs. This design reduces the overall weight of the valve and improves airflow within the combustion chamber. The reduced stem diameter allows more space for the air-fuel mixture to flow smoothly into the engine cylinder, enhancing combustion efficiency and engine performance.
These valves are particularly beneficial in modern high-performance engines where airflow optimization plays an important role in achieving better power output and fuel efficiency. By reducing friction between the valve stem and the valve guide, reduced stem valves also contribute to smoother valve movement and lower mechanical losses. This results in improved engine responsiveness and durability. Reduced stem valves are widely used in automotive engines, performance vehicles, and applications where improved airflow and reduced engine weight are desirable.
Chrome plated engine valves are manufactured with a high-quality chrome coating applied to the valve stem surface. This protective layer significantly improves resistance to wear, corrosion, and friction, ensuring smoother operation inside the valve guide. The chrome plating also enhances the durability of the valve under high temperature and pressure conditions. As a result, chrome plated valves help maintain precise valve movement, reduce maintenance requirements, and increase the overall lifespan of the engine valve system.
The chrome plating also provides additional protection against harsh operating conditions such as high temperatures, moisture, and chemical exposure. These valves are commonly used in automotive, commercial, and industrial engines where durability and reliability are essential. By reducing friction and wear between moving components, chrome plated valves help extend the service life of both the valve and the valve guide. This contributes to improved engine performance, reduced maintenance costs, and more consistent operation over time.
Shrouded engine valves are designed with a partially enclosed or modified valve head that controls the direction of airflow entering the combustion chamber. This design helps improve the mixing of air and fuel, leading to more efficient combustion. By optimizing airflow patterns, shrouded valves enhance engine performance, improve fuel efficiency, and reduce emissions. These valves are often used in specialized engine designs where airflow management plays a crucial role in achieving optimal combustion.
Shrouded valves are often used in engines where controlled airflow is required to optimize combustion characteristics. By guiding the air-fuel mixture more effectively, these valves help ensure better mixing and more efficient burning of fuel. This results in improved engine power, reduced emissions, and smoother operation. Shrouded engine valves are commonly found in specialized engine designs where airflow dynamics play a critical role in performance and efficiency.
Nitrided engine valves undergo a specialized heat treatment process known as nitriding, which introduces nitrogen into the surface layer of the valve material. This process significantly increases surface hardness and improves resistance to wear, fatigue, and corrosion. Nitrided valves are capable of withstanding extreme temperatures and high mechanical stress during engine operation. This treatment enhances durability, reduces friction between moving parts, and ensures consistent valve performance even in demanding engine environments.
This enhanced surface hardness makes nitrided valves ideal for engines operating under extreme mechanical and thermal stress. The nitriding process also improves resistance to scuffing and reduces friction between the valve stem and the guide. These valves are widely used in high-performance automotive engines, diesel engines, and industrial machinery where reliability and long service life are critical. By improving durability and wear resistance, nitrided engine valves help maintain consistent engine performance and reduce the need for frequent maintenance.
4.50mm to 13mm
15.0mm to 65m
50.0mm to 250mm
EN 18D, EN 24
Ferritic Steel: EN 52, SUH 3, SUH 11
21-2N, 21-4N, 23-8N, 21-12N
Mono-Metal engine valves are made from just one type of material, often a strong steel that can be hardened. This material is chosen because it can withstand high temperatures and reduces friction inside the engine, helping it run smoothly.
Bi-Metal engine valves are manufactured using two different metals. This process involves welding a material with high heat strength and resistance to scaling and pitting to another material known for its excellent bearing, anti-friction, and wear qualities.
ANAND LINERS (INDIA) PVT. LTD.
Veraval (Shapar), Anand Liners Gate, Rajkot – 360024, Gujarat – India.
At Anand Liners, we believe that long-term success is built on trust, quality, and customer satisfaction. Our customer-focused approach, technical support, and commitment to delivering reliable solutions continue to make us a preferred global partner in the engine components and casting industry.
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