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This section provides an overview for throttle valves as well as their applications and principles. Also, please take a look at the list of 11 throttle valve manufacturers and their company rankings. Here are the top-ranked throttle valve companies as of December, 2024: 1.Emerson Electric Co., 2.Conval, 3.Centec LLC.
Table of Contents
A throttle valve is a valve installed in the passage of a fluid. Throttle valves adjust the flow of fluid by changing the cross-sectional area of the passage. They are primarily used to regulate the amount of air intake into the engines of automobiles, motorcycles, aircraft, and agricultural machinery. In automobiles, the degree of opening and closing of the throttle valve is adjusted by the accelerator pedal. In the past, throttle valves were controlled using a wire in a system known as mechanical throttle, but in recent years, electronic throttle systems have become more common, where the degree of valve opening and closing is electronically controlled.
Throttle valves are mainly used in automobiles, motorcycles, aircraft, and agricultural machinery. This section will focus on their use in automobiles.
In automobiles, throttle valves are attached to the throttle body in the air intake passage (intake pipe) and regulate the amount of air intake into the engine to control power output. Throttle valves can be single or multiple, with each installed in a single throttle body.
Throttle valve adjustment is typically done using the accelerator pedal. In the past, the valve was opened and closed using a wire mechanism, but in recent years, electronic systems have taken over. The engine's Electronic Control Unit (ECU) adjusts the valve based on driving conditions and the position of the accelerator pedal.
Let's explain the principle of throttle valves using an automobile as an example. Throttle valves are attached to the throttle body in the intake air passage (intake pipe). When the accelerator pedal is pressed, the degree of valve opening/closing is adjusted to control the amount of intake air entering the engine. There are two main types of throttle valves: butterfly valves and slide valves, each with its own working principle.
Throttle valves play a role in reintroducing and reusing a small amount of dust and exhaust gases that cannot be prevented by the air cleaner, delivering clean air into the engine (EGR), and managing a re-combustion system (PCV) for gases that leak slightly from the gap between the cylinder and piston due to incomplete combustion (blow-by gas). The combination of these three elements can lead to a gradual buildup of carbon and sludge.
This accumulation of debris can hinder normal operation, resulting in reduced fuel economy, unstable idling, and reduced power output. In severe cases, it can even prevent the engine from starting.
In the case of electronic throttle systems, which are prevalent in modern cars, the computer can adapt to some extent to a dirty throttle valve. However, periodic cleaning is still necessary to maintain the system's performance in good condition.
It's worth noting that diesel engines do not incorporate throttle valves in their design. In diesel engines, the throttle pedal controls the amount of fuel injected into the compressed air rather than the opening and closing of valves, making throttle valves unnecessary.
When carbon buildup prevents normal operation, it results in a condition known as "sticking" throttle valves, which can lead to engine malfunctions.
One method for cleaning a sticking valve involves disassembling it until it is exposed and then applying a special cleaner directly onto the valve. You can scrub it with a brush or wipe off the dirt with a rag.
To disassemble the valve, remove the duct connecting the valve to the air cleaner so that the valve is visible, and clean it in this condition. For thorough cleaning, remove the valve from the engine and work on it separately.
Various cleaners can be used, including engine conditioner, carburetor cleaner, and dedicated throttle valve cleaner.
After cleaning, it is important to reset the computer, which has adapted to the dirty conditions, to restore the original performance of the system.
*Including some distributors, etc.
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Conval, established in 1967, and headquartered in Enfield, Connecticut, is a manufacturer that specializes in industrial valves. Their product range includes ball valves, gate valves, globe valves, and check valves which these products find applications in industries such as nuclear power, water treatment, agriculture, and hydraulic systems. Conval's valves are designed to handle high temperatures, pressures, and corrosive environments, ensuring safe and efficient flow control. The company holds certifications such as ISO 9001, demonstrating their adherence to quality and meeting industry standards. Their valves are crucial for process control and safety in various industrial applications.
Marquest Scientific was founded in 1967, and is based in Costa Mesa, CA, is a manufacturer and supplier of thermoplastic products that have applications in the fluid handling&control industry. The company provides Needle Valves, Gauge Guards, Laboratory Faucets&Turrets, Lab Base Fixtures, and, Spray Guns that are available in PVC, CPVC, Polypro, & PVDF forms. Their services include Precision injection molding, Injection presses ranging from 20 to 500 tons, Quick-turn CNC machining for rapid prototyping and production as well as 3D Printing Prototyping, Secondary Services, Part assembly&Packaging, and Long&Short-run production.
Schutte & Koerting (S&K) is an American manufacturer of power and process equipment established in Trevose, Pennsylvania in 1876. The company primarily produces components for pumping, mixing or handling liquids and solids, such as syphons, eductors, and jet ejectors. They also offer devices for handling liquids and gasses, including thermocompressors, condensers, and desuperheaters. S&K products are used in various industrial processes, including in metal and petroleum refining, power generation, and wastewater treatment.
Reasontek Corporation was founded in 2009 and is headquartered in Brea, California. The company is a distributor of products that primarily serves the technology and domestic and global oilfield equipment and industrial supplies industries. The company has two primary business segments: accumulator production and oilfield equipment and industrial supplies. The accumulator production segment includes accumulators and other energy storage and surge protection devices as well as CAD services. The oilfield equipment and industrial supplies segment includes bladder accumulators, repair kits, and related accessories.
Taicin established in Taiwan, in 1963 is a manufacturer engaged in hydraulic valves and pumps used in industries such as cosntruction, oil and gas and mining. The company manufactures all of its products from raw material to finished goods in their own factories and their product range includes Oil Hydraulic Pump, Directional Control Valves, Cartridge Valves, Electro-Hydraulic Proportional Valves and Oil Hydraulic Accessories. Their products have SO 9001-2015 standards and certification. The company has a R&D center and it provides worldwide customer service and technical support.
Nihon Pisco Co. Ltd., founded in 1976 and based in Nagano, Japan, is a manufacturer and distributor of pneumatic equipment and is ISO 9001 and ISO 14001 certified. The company stocks various products like valves, actuators, and vacuum accessories used in several industries, including semiconductor, medicine, and rechargeable battery. The company started selling push-in fitting for pneumatic piping in 1977 and launched the industry’s first push-in fitting built-in type speed controller in 1981. In 1993, it launched a few products, including a quick exhaust valve, a digital pressure sensor, and a vacuum generator with a digital pressure sensor.
Excellent Hydraulics, established in 2004 and located in Maharashtra, India, is a manufacturer and supplier of quality hydraulic solutions. The company specializes in designing and producing hydraulic components, including pumps, valves, cylinders, and hoses, essential for seamless fluid power systems. As an important player in the hydraulic industry, Excellent Hydraulics' products find applications in diverse sectors such as construction, manufacturing, and agriculture. With an effort on engineering and reliability, the company backs to efficient machinery operations and fluid control, solidifying its position as a dependable provider of advanced hydraulic solutions.
S. K. Engineering & Works Pvt. Ltd. was established in 1987 and is based in Maharashtra, India is a manufacturer of Compactor, Steel Valves and Solenoid Valves. The company product range includes Chemical Valves, Pneumatic & Hydraulic Operating Valves, Industrial Valves, Basket Type Strainer, Airline Filter Regulator Lubricator and more. The company also offers customer services that prioritize open communication, transparency, and efficiency in all interactions to provide excellent experience for customers.
Centec LLC was established in 2000 as a wholly owned subsidiary of Centec GmbH of Frankfurt-Maintal, Germany, which was founded in 1976. Centec LLC’s headquarters is located in Menomonee Falls, Wisconsin. The company is an ISO 9001-certified manufacturer and development partner for customers in the beverage, food, pharmaceutical, chemical, and energy industries. The company’s products include virtually integrated turn-key solutions from sensors to measurement devices to plant process systems to plant concepts.
Founded in 1890 in Missouri, Emerson Electric Co., is a technology and engineering company that provides various solutions for customers in industrial, commercial, and consumer markets globally. Business segments include automation solutions, AspenTech, and commercial & residential solutions segments. The Automation Solutions segment offers measurement and analytical instrumentation, industrial valves and equipment, and process control software and systems. The AspenTech segment provides asset optimization software for enhancing performance through a combination of modeling, simulation, and optimization capabilities. The Commercial & Residential Solutions segment offers residential and commercial HVAC products, system protector and flow control devices, and IoT thermostats.
Parker Hannifin Corporation was founded in 1917 and is headquartered in Cleveland, Ohio. Parker Hannifin is a manufacturer and distributor of motion and control technologies and systems for markets including mobile, industrial, and aerospace. Parker-Hannifin operates through two segments: diversified industrial and aerospace systems. Diversified industrial offers sealing, shielding, thermal products and systems, adhesives, diagnostics solutions, and hydraulic, pneumatic, and elctromechanical components and systems or industrial machinery and equipment. The aerospace segment offers control actuation systems and components, engine exhaust nozzles and assemblies, pilot controls, as well as others.
Ranking as of December 2024
Derivation Method| Rank | Company | Click Share |
|---|---|---|
| 1 | Emerson Electric Co. |
18.9%
|
| 2 | Conval |
17.6%
|
| 3 | Centec LLC |
13.5%
|
| 4 | S. K. Engineering & Works Pvt. Ltd. |
6.8%
|
| 5 | Marquest Scientific, Inc. |
6.8%
|
| 6 | PARKER HANNIFIN CORP |
6.8%
|
| 7 | Taicin |
6.8%
|
| 8 | Reasontek Corp. |
5.4%
|
| 9 | Schutte & Koerting |
5.4%
|
| 10 | Excellent Hydraulics |
4.1%
|
Derivation Method
The ranking is calculated based on the click share within the throttle valve page as of December 2024. Click share is defined as the total number of clicks for all companies during the period divided by the number of clicks for each company.Number of Employees
Newly Established Company
Company with a History
*Including some distributors, etc.
*Including some distributors, etc.
| Country | Number of Companies | Share (%) |
|---|---|---|
|
United States of America
|
4 | 50.0% |
|
India
|
2 | 25.0% |
|
Taiwan
|
1 | 12.5% |
|
Japan
|
1 | 12.5% |
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