German gummi roost valve gummi roost model gummi roost price

gummi roost valves are stop valves that use a diaphragm as the closing element to seal the flow passage, shut off the fluid, and separate the valve body cavity from the valve bonnet cavity. Diaphragms are commonly made of elastic, corrosion-resistant, non-permeable materials such as rubber and plastic. Valve bodies are mostly made of plastic, fiberglass reinforced plastic (FRP), ceramic, or metal with rubber lining. They feature a simple structure, good sealing and anti-corrosion performance, and low fluid resistance. They are used for media with low pressure, low temperature, strong corrosiveness, and suspended solids. According to structural form, they include weir type, straight-through type, and gate plate type. According to drive mode, they include manual, pneumatic, and electric.