Custom Flow Control Valves

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Hydraulic Flow Control Valves Manufacturers

Hydraulic Flow Control Valves

The flow control valve is a valve that controls the flow of the orifice by changing the liquid resistance of the orifice under a certain pressure difference, thereby adjusting the movement speed of the actuator (hydraulic cylinder or hydraulic motor). It mainly includes throttle valve, speed control valve, overflow throttle valve and diverter collector valve. The installation form is horizontal installation. The connection method is divided into flange type and threaded type; welding type. The control adjustment methods are divided into automatic and manual.
The function of the flow valve is to maintain a constant flow rate when the pressure difference between the inlet and outlet of the valve changes, so as to maintain the controlled object (such as a loop, a user, a device, etc., the same below) in series with it. Flow is constant. The flow valve is used in the pipeline network, and the flow can be set directly according to the design. The valve can automatically eliminate the residual pressure head of the pipeline and the flow deviation caused by the pressure fluctuation under the action of water pressure. There are many names of flow valves, such as self-operated flow balance valve, constant flow valve, self-operated balance valve, dynamic flow balance valve, etc. Various types of flow valves have different structures, but the working principles are similar. The working principle of the flow valve: The flow valve consists of a manual regulating valve group and an automatic balancing valve group. The function of the regulating valve group is to set the flow, and the function of the automatic balancing valve group is to maintain the constant flow
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Hangzhou Longwei Hydraulic Technology Co., Ltd.

Hangzhou Longwei Hydraulic Technology Co., Ltd. is a company integrating R&D, production and sales of hydraulic valves, hydraulic pumps, hydraulic cylinders and hydraulic stations. As China Flow Control Valves Manufacturers and Custom Hydraulic Flow Control Valves Factory, the company annually produces 1 million hydraulic components, 20,000 sets of hydraulic systems, and 16,000 tons of various castings. The products are sold to Southeast Asia, Europe, North America and Longwei Hydraulics has established a global marketing and service network, provides satisfactory services to customers at home and abroad.

We are a company integrating R&D, production and sales of hydraulic valves, hydraulic pumps, hydraulic cylinders and hydraulic stations. The company is headquartered in Hangzhou, Zhejiang Province.Has production base in Shanxi. The company has been committed to hydraulic systems, hydraulic cylinders, hydraulic pumps, hydraulic valves, etc. Product application, product positioning is high-end, international, complete, intelligent, and customized. Products are widely used in plastic machinery, engineering machinery, automobiles, metallurgy, heavy mining, marine, machine tools, ships, petrochemicals, general, agricultural machinery, military , New energy and other fields to meet the needs of major equipment localization. The company annually produces 1 million hydraulic components, 20,000 sets of hydraulic systems, and 16,000 tons of various castings. The products are sold to Southeast Asia, Europe, North America and other parts of the world and have been developing hydraulic blueprints.

At present, Longwei Hydraulics has established a global marketing and service network. With the goal of building a world-wide hydraulic brand, Longwei Hydraulics wholeheartedly provides satisfactory services to customers at home and abroad.

We are Longwei, a company specializing in R&D, production and sales of hydraulic products. We will be your good partner!

Hangzhou Longwei Hydraulic Technology Co., Ltd.

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Industry knowledge
What are Hydraulic Flow Control Valves?
Hydraulic flow control valves regulate the flow rate of fluid in a hydraulic system. They determine the amount of fluid allowed to pass through and maintain the flow rate at a constant level. They are used to control the speed and direction of hydraulic actuators, as well as to regulate pressure and protect against overloading.
Composition of Hydraulic Flow Control Valves
Hydraulic flow control valves typically consist of the following components:
1.Valve body: houses the internal components and provides ports for fluid inlet and outlet.
2.Spool or sliding sleeve: the main component that regulates fluid flow by blocking or redirecting it.
3.Springs: provide the force needed to maintain the valve in its default position.
4.Pistons or diaphragms: used to apply pressure to the spool or sleeve.
5.Seals: prevent fluid from leaking from the valve body.
6.Pilot control: used to remotely activate the valve.
7.Adjustment screws: allow for fine-tuning of the valve's performance.
The exact composition of a hydraulic flow control valve depends on its type and design, but these components are common to most valves.
Purpose of Hydraulic Flow Control Valves
The main purpose of hydraulic flow control valves is to regulate the flow rate of fluid in a hydraulic system. They perform several functions, including:
1.Controlling the speed and direction of hydraulic actuators.
2.Regulating fluid pressure to prevent overloading of the system.
3.Providing smooth and efficient operation of hydraulic systems.
4.Maintaining a constant flow rate regardless of changes in system pressure.
5.Protecting the system components from damage due to excessive pressure.
Overall, hydraulic flow control valves play a critical role in ensuring the proper and safe operation of hydraulic systems.