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Advantages: simple structure and easy to use. When the hydraulic butterfly valve appears in front of you, the user can […]

Purpose 1: Control terminal control freely. Whether in the petrochemical industry, or from the power metallurgy industry, consider the hydraulic […]

In order to ensure the smooth use of hydraulic butterfly valve, reduce the interference caused by external factors themselves for […]

Any equipment and products have service life and time, but scientific and reasonable protection will improve the use rate, thus […]

In the daily selection process of hydraulic butterfly valve, how to deal with it, to improve the overall operating quality, […]

In the storage process of the hydraulic butterfly valve at ordinary times, it can not be placed randomly, so it […]

Sanitary valves standard technical parameters Sanitary valves Valve body Nominal diameter: Φ20－Φ102 Body material: 304, 316, 316L Connection method: quick-release […]

The flanged butterfly valve (the structure length can be expanded within a certain range), not only brings convenience for the […]

1. When installing D343X PN6, PN10 flanged double soft seal butterfly valves. The disc should be stopped in the closed […]

Soft seal butterfly valve is usually the middle line butterfly valve. Its driving mode is common with the handle, turbine, […]

1. Because the multi-layer soft and hard overlapping sealing ring is fixed on the valve plate, when the valve plate […]

1, The bolt welded on the valve disc should not be too long, otherwise it will be too long and […]

Valve is an important component in the pipeline system of petrochemical equipment, its variety, large number, is one of the […]

Electric regulating butterfly valve belongs to electric valve and electric regulating valve in a variety. The main connection modes are: […]

1. The bolt welded on the valve disc should not be too long, otherwise it will be due to the […]

Test method: 1) Check the sealing operation mode of the butterfly valve to confirm whether the sealing is closed by […]

Terms and definitions: (1)  Static pressure life test. Under laboratory conditions, the valve under the action of medium pressure, from […]

1. Weld the flange to the pipe and cool it to the ambient temperature before installing the valve on the […]

Normally for the technology process of the valve seat for soft seated type butterfly valves, it can be classified into […]

Inflatable butterfly valve Basic information: Body: ASTM A536 65-45-12, WCB, CF8M Disc: ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, […]

First, Because the multi-layer soft and hard overlapping sealing ring is fixed on the valve plate. When the valve plate […]

First, the characteristics of metal hard seal butterfly valve: 1, metal hard seal butterfly valve with three eccentric sealing structure, […]

Electric butterfly valve belongs to a variety of electric regulating valve and electric valve, widely used in environmental protection, pharmaceutical, […]

Pneumatic butterfly valve is a relatively large use of industrial pipeline in the important execution unit, through the compressed air […]

Butterfly valve installation direction: 1. The butterfly valve disc is installed in the diameter direction of the pipeline. 2. When […]

Metal seal butterfly valve: Adopt metal sealing surface and other rigid materials to achieve zero leakage requirements, which can be […]

Processing technology: From the three eccentric metal hard seal butterfly valve structure characteristics analysis. Butterfly plate assembly sealing ring for […]

Hard seal butterfly valve adopts a structure that the butterfly plate can move along the axial diameter of the valve. […]

Butterfly valve is mainly composed of valve body, butterfly plate, stem, sealing ring and transmission device. (1) Valve body The […]

Butterfly valve common faults and elimination methods 1. Before installation, please confirm whether the product performance and medium flow direction […]

1. Valves test: 1.1 Material test: 1) The material will tested according to the standard by the inspection of the […]

The action of pneumatic actuator control valve is unstable: 1. Unstable air source pressure. 1) Compressor capacity is too small; […]

Pneumatic control valve does not operate: 1. No signal, no air source. 1) The air source is not open; 2) […]

Electric actuators are mainly use in power plants or nuclear power plants. Because a smooth, stable and slow process is […]

Pneumatic actuators are a kind of classification in actuators. From the perspective of technical performance, the advantages of pneumatic actuators […]

1. Fix the pneumatic actuator on the test table and connect the air source, control air source and displacement detection […]

Pneumatic actuators also known as pneumatic head pneumatic head, is driven by air pressure to open and close or adjust […]

The use of AT pneumatic actuators sometimes shows a slow reaction, which undoubtedly greatly affects the working efficiency of AT […]

Pneumatic actuators are driven by air pressure to open and close or adjust the valve actuators, commonly known as pneumatic […]

Valve positioner is the main accessory of pneumatic actuator control valve. It takes stem displacement signal as input feedback measurement […]

Actuators have pneumatic and electric two forms, usually we understand more about pneumatic actuators. But pneumatic actuators from the technical […]

Pneumatic valves in regulating valve are characteristic of the valve. Because of the pneumatic valve is connect to the pneumatic […]

The more and more widely used pneumatic valve is a good proof of this point, with the widespread use of […]

Pneumatic actuators as an important equipment, in many industries have a good use. It can use for all kinds of […]