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Butterfly valve professional supplier
The butterfly valve is a quarter-turn type valve installed on the pipeline. It controls the flow of fluid by opening and closing the valve plate. The structure consists of the valve body, plate, stem, seat, operating driver, etc. Compared with other valves, it is lightweight, has a simple structu...Read more -
The installation of the wafer butterfly valve
butterfly valve assembly video/Видео сборки дроссельной заслонки/film z montażu zaworu motylkowego/Vídeo de montaje de válvula de mariposa./vidéo sur le montage de la vanne papillon/Video zur Montage der Absperrklappe/버터플라이 밸브 조립 영상 It is a video which shows the assmbly for wafer type ...Read more -
Why does the valve always fail?
In the whole process of design, manufacturing, installation, working condition, operation and maintenance, each step should not be relaxed. How to determine whether there is a problem before the valve leaves the factory or after complete installation? This needs to be checked through appearance i...Read more -
Butterfly valve—–disc and stem
The stem and disc of butterfly valve are separate parts. The disc is drilled to receive the rod. Two methods are used to secure the disc to the valve stem so that the disc rotates when the valve stem rotates. In the first method, the disc is drilled and fixed to the valve stem with bolts or pins....Read more -
Applicable temperature of valves of different materials [practical]
The service temperature of the valve is determined by the material of the valve. The service temperature of common valve materials is as follows: Gray iron valve – 15 ～ 250 ℃ Malleable iron valve – 15 ～ 250 ℃ Ductile iron valve – 30 ～ 350 ℃ The maximum service temperature of...Read more -
Structural characteristics of butterfly valve
Butterfly plate of butterfly valve is installed in diameter direction of pipeline. In the cylindrical passage of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis with a rotation angle of 0 °~ ninety ° Between, rotate to 90 ° When, the valve plate is fully open. ...Read more -
See you at FLOWTECH CHINA (SHANGHAI) 2021
Our company will attend the exhibition in Shanghai. Looking forward to seeing you. Exhibition Time Wed.Jun 2, 2021 09:00-17:00 Thur.Jun 3, 2021 09:00-17:00 Fri. Jun 4, 2021 09:00-15:00 FLOWTECH CHINA (SHANGHAI) 2021 As one of the largest international exhibitions in China specializing ...Read more -
Inspected by SGS inspect factory- Fortis Valve
Double Eccentric Butterfly valves- Body: Ductile Iron with epoxy coating, Disc: Ductile Iron with epoxy coating, body with SS seal. Size from DN100 up to DN2200. Pressure with 10bar /16bar. We can do the Logo, name plate and colour as your requirements. Contact with us now！ Professional for...Read more -
Wafer-Style Butterfly Valve
Most wafer-style butterfly valves are engineered with four holes that align with the connected pipeline. The valve is designed to clamp between two flanges in your pipe work. Most wafer butterfly valves fit the majority of flange standards. Why is it called a butterfly valve? Butterfly valves a...Read more -
Differences between valve materials 304, 304L, 316 and 316L
Corrosion resistance The corrosion resistance of 316 stainless steel is better than 304 stainless steel, and it has good corrosion resistance in the process of pulp and paper production. Moreover, 316 stainless steel is also resistant to marine and corrosive industrial atmosphere. Generally speak...Read more -
Common materials of valve stem
The valve stem is not only a moving part, a stressed part, but also a sealing part in the process of valve opening and closing. At the same time, it is impacted and corroded by the medium, and has friction with the packing. Therefore, in the selection of stem material, it must be ensured that it...Read more -
Flange gasket (2): non metallic flat gasket — PTFE packing gasket
① Introduction of gasket Polytetrafluoroethylene (PTFE) packing gasket is a kind of non-metallic composite cushion, which is generally composed of two parts: the cover and the insert. The main function of the envelope is anti-corrosion, which is usually made of polytetrafluoroethylene. The insert...Read more
