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Shanghai Dongfeng pump valve factory is a professional manufacturer of electric control valve, pneumatic control valve, self operated control valve, temperature control valve, flow control valve and other products!
24-Hour Hour Hotline:
130-5233-4444
contact us / contace us

Company name: Shanghai Dongfeng pump valve factory

Address: 459 guchen Road, Baoshan District, Shanghai

Enterprise telephone: 021-60547555

Enterprise Fax: 021-60547555

Mobile: 185-2135-0330

Contact person: Manager Hu

Website: http://expansecms.com/

Email: 792894571@qq.com

The basis of choosing the electric device of regulating valve correctly

2020-09-01 11:13:04

Electric valve in the electric equipment is actually able to achieve the adjustment of the valve program control, remote control and automatic control can not

What are the product standards and engineering standards for electric control valves

2020-08-19 10:18:46

The electric regulating valve is mainly composed of valve body, sleeve, valve disc, valve stem and other parts. There are joints on the sleeve and disc

Two aspects explain the reason of internal leakage of electric control valve

2020-06-17 17:25:01

1. The medium corrosion of the electric control valve, the internal leakage caused by the aging of the electric control valve, the adjustment of the electric regulator after a period of operation

The working principle of control valve positioner

2020-06-17 17:23:57

When the electromagnetic torque generated by the input signal is equal to the positioner generated by the feedback system, the force balance of the positioner is

Regular circuit inspection and maintenance rules of electric control valve

2020-06-17 17:22:42

The daily maintenance of electric control valve is divided into two parts: circuit inspection and regular maintenance. The circuit check is as follows. 1....

When the electric control valve is blocked or abnormal during use, what should be done

2020-06-17 17:19:12

Usually, when the electric control valve is stuck and blocked, we can choose the following two ways to solve the problem. ...

Regulating valve method for stability of steam electric control valve

2020-06-17 17:15:46

Electric control valve is generally composed of actuator and valve system

Working principle of pressure regulating valve in front of (behind) self operated valve

2020-06-15 11:57:18

There are three self pressure regulating valves. Self operated pressure regulating valve

Problems of electric control valve on air duct

2020-06-15 11:52:04

Today, I saw a post on the Internet. The sender said that the construction unit called him today and said that the

Installation method of self operated pressure regulating valve

2020-06-15 11:41:53

Installation mode of self operated regulating valve: 1. The installation of straight pipe section shall be kept as far as possible before and after the self operated pressure regulating valve

Characteristics of fluorine lined self operated pressure regulating valve

2020-06-15 11:36:58

In order to make the pressure of the gas seal system of the storage tanks of petroleum products and chemicals stabilize within the set range, it is usually adopted to install the gas seal system

Ten common faults of self operated pressure regulating valve

2020-06-15 11:35:04

We know that China's industrial development is very fast, self operated pressure regulating valve has been widely used. However

Model classification of electric control valve

2020-06-15 11:33:20

In the modern industrial automation control system, all kinds of automatic actuators are essential

Main contents of daily maintenance of pneumatic control valve

2020-06-15 11:31:37

Due to the harsh use environment of pneumatic control valve, it is inevitable to have some faults in use. Therefore, a certain amount of

Application of self operated pressure regulating valve

2020-06-15 11:29:02

Self operated pressure regulating valve is a kind of valve product which can adjust automatically

How to set pressure for self operated pressure regulating valve

2020-06-15 11:27:20

On the Internet to see a self - pressure valve set pressure problems, small series think this problem may also be

Fault and repair method of electric actuator

2020-06-15 11:23:33

One of the key components of the electric control valve is the electric actuator, which has the advantages of high signal transmission speed, high speed of signal transmission and so on

Adjustment method of pneumatic diaphragm control valve

2020-06-15 10:56:41

Pneumatic film control valve production standard products, the spring is generally adjusted in the range of standard assembly, that is, by

Zdlp electric control valve use instructions accessories generally what?

2020-06-01 17:13:49

Zdlp electric control valve use instructions accessories generally what? When the double control valve adopts cutting technology, attention should be paid to

What is the working principle of steam electric control valve gland leakage?

2020-06-01 17:13:45

What is the working principle of steam electric control valve gland leakage? 1. Check the model of control valve before installation