Silent check valve is to rely on the flow of the medium itself and automatically open, close the disc, used to prevent media backflow valve, also known as check valve, one-way valve, silent check valve backflow valve, and back pressure valve.
FEP(F46),PTFE(F4) Fluorine-lined butterfly valves are applicable for -50℃~150℃ nitrohydrochloric acid,sulfuric acid,hydrochloric acid,hydrifluoric acid of vanous concentrations and vanous organic acid, strongacid and strong oxidant.
Fluorine lined diaphragm valve is a special form of cut-off valve, appeared in the 1920s.Its opening and closing parts is a diaphragm made of soft material, the valve body cavity and valve cover cavity and drive parts separated, so called diaphragm valve.
Fluorine-lined gate valves are a type of valve.The opening and closing part of the fluorine lined gate valve is the gate, whose motion direction is perpendicular to the fluid direction. The gate valve can only be fully opened and closed, and cannot be adjusted or throttled.
Knife gate valve, also known as knife gate valve or knife slurry valve, was introduced into China in the 1980s. It has a wide range of applications, from coal preparation, gangue discharge, slag discharge in mines and power plants, to sewage treatment in cities, form slurry transportation in cement and paper mills to professional pipelines such as 1
Dark rod knife gate valve is installde by valve stem. There is no lifting action when the valve stem is opened and closed, which saves installation space. Manual knife gate valve can only be fully opened and closed, can not be adjusted and throttled.