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Control Valves are used to control and regulate the flow and pressure of fluids. They can carry out the task automatically, saving you from needing to keep an eye on the system at all times. You can choose the appropriate control valve based on the required pressure or flow. It’s important to note that because process control valves operate inside their system, control valves are also referred to as the ultimate control element in automated control language. Further features of control valves are;
There are many different types of valves and ways to manage controls. However, the main types are described here:
Ball valves can be automated and/or controlled remotely by combining them with either an electric actuator (electric ball valves) or a pneumatic actuator (pneumatic ball valves). Pneumatic actuator automation may be preferable to electric actuator automation depending on the application, or vice versa
A butterfly valve is a flow-regulating valve with a disc in the center. The way it works is similar to a ball valve. A rod that runs through the disc is linked to an actuator outside the actuated butterfly valve via a spring. The actuator is rotated to move the disc parallel or perpendicular to the flow. A pressure drop is always developed in the flow regardless of where the valve is positioned because, unlike a ball valve, the disc always remains in the flow path.
These valves have a spherical shape, including a moving disc called the obturator that spins at a 90-degree angle to the plane of the coordinated body seat. This type of valve is available both in pneumatic and electric controlling systems.
Control valves are designed and tested according to the ASME, ANSI/FCI, IEC, ISA, API, etc. Some standards are briefed here:
1
IEC (International Electro-Technical Commission) standard is used for functional safety instrumented systems for industry, electronic device description, noise level, valves safety, etc.
2
This standard (American Petroleum Institute) is used mainly for valve dimensions guidelines and inspection procedures.
3
ISA (International Society of Automation) provides details about the valve capacity test procedure, positioner stability, face to face dimensions for integral flanged, hydrostatic testing, etc
XINTAI Valve Group Co., LTD has been producing control valves from the last 25 years. We provide pneumatic and electric actuator gate, globe, ball, butterfly valves, etc. Over the years, XINTAI Valve Group has expanded quickly to rank among the top makers of control valves globally. The factory consists of 60,000 square meters.
We have certified our quality management system according to ISO 9001, CE, API, OHSAS 18001, and domestic TS security.
As a manufacturer of industrial valves that also provides specialized solutions, XINTAI’s casting industry valves are trusted by industries all over the world.
We have vast experience optimizing Control Valves quality and cost since 1998.
XINTAI has a 270K valves yearly production capacity.
Control valves produced by XINTAI that meet various standards employ distinctive design, engineering, and manufacturing processes. A number of sectors, including oil, refinery, petrochemicals, pharmaceuticals, chemicals, pulp and paper, food processing, nuclear power, etc., employ the high-quality control made by the XINTAI Valve Group. We focus on increasing client interests while reducing expenses, rebating consumers, and fixing process difficulties. Out control valves possess:
Quick and effective functioning
Complete reliability
Long service life
Compact design for minimal space use
Minimal pressure drops
A plethora of services for Control Valves.
We follow stringent measures and dual inspections in accordance with world standards. We are committed to high-quality manufacturing using advanced detection equipment and precise testing methods.
With a capacity of producing 2,70,000 valves annually, we work round the clock to provide custom-made valves as per our client's needs. From material to size and design to applications, everything can be customized
Accurate installation and proper maintenance of the valve are imperative in maintaining a safe industrial environment. Your safety is our priority.
At Xintai we are devoted to excellent customer service. You can rely on us for queries, doubts or any other issues related to our product and service. Our team is always available online, on calls or face to face to serve you better
We are a prestigious the Control valve manufacturer from China.XINTAI is registered with the following governmental agencies:
There are two types of control valves by working principle. One is pneumatic/hydraulic controlled and the other one is electrically controlled.
The pressure control valve keeps the system pressures within the acceptable range when it approaches the desired limit. They assist in safely maintaining a specific pressure level in the operating system.
The safety valve cannot be replaced with the control valves. Safety valves work automatically without the assistance of pneumatic or electric control and often work when the control valve malfunction.
There are several valve types and control functions available. However, the most common types of actions in control valves are sliding stem and rotary.
The main types of control valves are given below:
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