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Stainless steel butterfly valve relies on a very thin, firm and stable chromium-rich oxide film (protective film) formed on its surface to prevent the continuous infiltration and oxidation of oxygen a…

Performance difference: Hard sealing butterfly valve: The two sides of the sealing pair are made of metal materials or other hard materials, which are called "hard seals". This kind of seal has poor s…

The seat of the butterfly valve, also known as the sealing ring, is a component related to the sealing performance of the butterfly valve, and it is also a place that is seriously corroded and eroded …

The sealing surfaces of butterfly valves can be divided into three categories, so what are the characteristics and uses of these three categories, and how do you choose as a purchasing user? VALTECCN …

Pneumatic butterfly valve is a commonly used flow control instrument, which has the advantages of novel design, reasonable, unique structure, light weight, convenient operation, and rapid opening and …

Pneumatic butterfly valves are widely used in petroleum, chemical and electric power industries, and their existence plays a very important role in controlling the flow of the entire product. What is …

Analysis of the scope of application of UPVC butterfly valve UPVC butterfly valve with worm gear is suitable for fluids: water, corrosive chemical liquids, etc., such as: pure water and raw drinking w…

On large-diameter pipelines, the cost of using a shut-off valve is very high and zero leakage cannot be achieved. In the case of emergency shutdown, a shut-off valve must be installed beside the shut-…

Wafer type butterfly valve is one of the most common types of valves in industrial pipelines. The structure of the wafer type butterfly valve itself is relatively small. It is only necessary to put th…

Recently, a customer in Malaysia purchased a batch of wafer butterfly valves from us for sewage treatment. The material is for below: BodyDI/ SS304/SS316DiscDI/DD304/SS316SeatEPDM/PTFE/NBR/VITONOperat…

VALTECCN valve got Hungarian client's quite urgent inquiry-PTFE seat butterfly valve on 25th October, After further discussion quantity of Hungarian client need, he soon received our quotation and dra…

Flanged Butterfly Valve: The valve seat is made of synthetic rubber. When the butterfly plate is closed, press the outer cover of the butterfly plate to squeeze the synthetic rubber valve seat, so tha…

A batch of Pinless Wafer Butterfly Valves have been exported to European market recently, with the following specifications: ProductPinless Wafer Butterfly ValvePressurePN16BodyDuctile ironDiscDuctile…

After the worm gear butterfly valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear butterfly valve.Only by doing a good job of daily maintenance a…

Butterfly valve design and selection The following points should be paid attention to in the design and selection of butterfly valves: Handle butterfly valve and worm gear butterfly valve selection: A…