The imported pneumatic rubber-lined diaphragm valve (normally closed type) adopts a stuffing box-less structure. The rubber diaphragm can completely isolate the corrosive medium in the flow channel from all driving components, thereby eliminating the common valve leakage, leakage, and dripping. Disadvantages such as leakage. The upper end of the valve cover is marked with a color display that allows you to see the opening or closing position of the valve to indicate the opening and closing stroke of the valve. When the handwheel is placed clockwise, the handwheel will move downward, and the valve disc will drive the diaphragm down to cut off the passage. On the contrary, the valve will open and the color will be revealed. Performance Specifications of Pneumatic Rubber Lined Diaphragm Valve (Normally Closed)
Model
Nominal Pressure
Test Pressure
Applicable Medium
Operating temperature (℃)
Shell test
Sealing test
Corrosive fluids such as acids, alkalis and various organic solvents (except molten alkali metals and elemental fluorine)
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2. Main parts materials
Part name
Valve body
Valve disc, valve cover
Cylinder, cylinder head
Screw, valve stem, Piston
Diaphragm
Material
Fluorine plastic lined, rubber lined
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Neoprene, fluoroplastic
3. Product Specifications
Model
Nominal diameter
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Nominal flow
Diameter
Nominal pressure
Working pressure
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Scope of application
Weight
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Temperature
Medium
Type
Type
Type
Type
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Less than or equal to
Generally corrosive
Non-corrosive
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Germany Leike Valve Co., Ltd.
Imported pneumatic rubber-lined diaphragm valve, German LIK brand