◆ Product overview: 

 The control valve generally refers to the control valve. The control valve consists of two main combinations: the valve body assembly and the actuator combination (or the actuator system), which are divided into four series: single-seat series control valve, two-seat series control valve, sleeve series control valve and self-powered series control valve. Variations of four types of valves can lead to many different applicable structures, each of which has its own special applications, characteristics, advantages and disadvantages. 

 ◆ Nominal diameter: DN20-DN200 

 ◆ Valve body material: stainless steel, cast steel, cast iron, forged steel 

 ◆ Control mode: switch type, adjustment type, pneumatic control, electric control 

 ◆ Features: 

 1. There are various types of control valves, and they are applicable to different occasions. Therefore, the type of control valve should be reasonably selected according to the requirements of the process production process. 

 2. Pneumatic control valves are divided into two types: air opening and air closing. The air-opening control valve is closed when it is in the fault state, and the air-opening control valve is opened when it is in the faulty state. Some auxiliary equipment can be used to form a position-holding valve or self-lock the control valve, that is, in case of failure, the control valve keeps the valve open before the failure. 

 3. The air opening and air closing methods can be achieved through the combination of positive and negative actuator types and positive and reverse valves. When using the valve positioner, it can also be achieved through the valve positioner. 

 4. Various control valves have different structures and have their own characteristics.

Each process, each facility, and each environmental constraint has its own special requirements. As a result, Kinko offers a comprehensive range of products that include different performance levels, pressures, functions and materials.