The structural form of the electric actuators.
According to the movement mode of the controlled object, the electric actuator can divide into the following structural types: straight […]
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How to protect the valve from corrosion?
Corrosion is one of the important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important […]
Characteristics and selection of various valve driving devices.
Valve drive mode： According to the movement mode of the driving mechanism, the valve driving device is divided into two […]
How to operate valves correctly?
For valves, not only installation and regular maintenance, but also operation. Generally, the opening and closing of the valve shall […]
Maintenance of valve in use.
During the use of the valve, attention should be paid to the maintenance. Good maintenance can ensure the reliable operation […]
Cause and maintenance of overload of electric actuators.
Overload may occur if: 1. The power supply voltage is low, and the required torque is not obtain. So that […]
The selection principle of electric actuator.
In general, the correct choice of electric actuator is based on the following: 1. Operating torque. Operating torque is the […]
Main valve standard: DIN standard or EN standard.
At present, the international each country for the use of the valve standards are not the same. Because of the […]
Difference between electric butterfly valve and electric gate valve.
Electric butterfly valve definition: Electric butterfly valve is one of the most commonly used valves in industrial pipelines.Butterfly valve small […]
Notes for use of telescopic flange butterfly valve.
Notes for installation and use of telescopic flange butterfly valve: 1, Expansion flange butterfly valve must be flat before installation, […]
Structure characteristics and basic principle of ventilation butterfly valve.
Ventilation butterfly valve is a kind of non closed butterfly valve. The ventilation butterfly valve is use in the dust […]
Introduction of PVC butterfly valves.
PVC butterfly valve is plastic butterfly valve. Plastic butterfly valve has strong corrosion resistance, wide application range, wear resistance, easy […]
Common troubleshooting methods in the operation of electric butterfly valve.
1. Before the installation of electric butterfly valve, confirm whether the product performance and medium flow direction arrow of the […]
Analysis of common faults of the newly installed electric butterfly valve.
Electric butterfly valve is the main control butterfly valve in the production process automation system. It is an important implementation […]
Relevant certification of valves.
1. ISO 9001 quality system certification. The role of the certification is to establish a quality assurance system from product […]
Introduction of high performance butterfly valves.
High performance butterfly valve is a kind of butterfly valve with Telfon lining in the inner cavity of the valve […]
The features of triple eccentric butterfly valves.
1. API specifications. As is well known, API609 has become a de facto international specification for valves used in important […]
Advantages and USES of triple-eccentric metal seated butterfly valves.
In order to meet the requirements of various working conditions, butterfly valves have experienced the evolution from concentric to single […]
How to select the accessories of pneumatic butterfly valves?
(1) Pneumatic butterfly valve accessories mainly include: positioner, converter, actuator, booster valve, position-preserving valve, pressure-reducing valve, filter, oil mist, travel […]
The selection and installation of pneumatic actuators.
How to choose pneumatic actuators? Usually adopts the new series of AT pneumatic actuators that have double acting and single […]
Inspection standards and methods for pneumatic actuators.
1. Fix the pneumatic actuator on the test table and connect the air source, control air source and displacement detection […]
Preparation of pneumatic actuators before inspection.
Pneumatic actuators also known as pneumatic head pneumatic head, is driven by air pressure to open and close or adjust […]
Points to keep in mind when installing valves！
The quality of valve installation directly affects the use, so special care must be taken. 1) The installation position, height […]
The characteristics of Electric butterfly valves.
Advantages of electric butterfly valve: 1, Open and close fast and convenient, small flow resistance. 2, Simple structure, small size, […]
How to maintain the pneumatic butterfly valve to “prolong life”?
In many factories and workshops, equipment maintenance and maintenance has asked to be standardized and institutionalized. Pneumatic butterfly valve, although […]
How to solve the leakage of butterfly valves?
Causes of leakage at both ends of butterfly valve: 1. Gaskets on both sides fail. 2. Pipe flange pressure is […]
The working principle of pneumatic butterfly valves
The structure principle of pneumatic butterfly valves: Pneumatic valve is compose of pneumatic actuator and valve body two parts. The […]
What are the characteristics of butterfly valves?
Butterfly valves are also called flip valves. Switching control for low pressure piping media is a valve that opens and […]
Classification of butterfly valves
Butterfly valves are butterfly valves because they look like butterflies. Butterfly valves can divide into different types from various aspects. […]
POV butterfly valve 2019 Thailand Pump and Valve Exhibition
butterfly valve and pnenumatic butterfly valve
butterfly valve jis standard 5k
Design?JIS B2032?JIS B2064 Flange?JIS 5K Face to face: JIS 5K SIZE A B C D E F d G H […]
butterfly valve bolt chart
butterfly valve bolt chart DIN flange and bolt DN In PN10 PN16 OD PCD Bolt and length Flange thickness OD […]
butterfly valve jis 10k standard
Design?JIS B2032?JIS B2064 Flange?JIS 5K/10K Face to face: JIS 10K SIZE A B C D E F d G H […]
butterfly valve advantages
Wafer concentric butterfly valve features a cartridge type seat, streamlined disc and strong stem-to-disc connection for easy use in many […]