Diaphragm valve is a special type shut-off valve, it has straight through type and weir type with flange end or socket welding connection. operated by manual or pneumatic actuator. The valve open and close action is controlled by the diaphragm, it separate the trim from the medium and protect it from invaded.
Diaphragm material is usually made by PTFE or rubber, body materials are selected according to different medium and working condition, Ningbo RMI Plastic Co.,Ltd offer PVDF diaphragm valve, PVC diaphragm valve, CPVC diaphragm valve, PP diaphragm valve; PTFE lined diaphragm valve and rubber lined diaphragm valve.
Plastic diaphragm valve is suitable for deliverying corrossive and viscous fluid, for example slurry, food, pulp,etc. it is widely use in the biological industry, pharmaceutical industry, food, and water treatment of power plant, chemical factory, electroplating and other industries.
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