They are especially useful in wastewater applications where corrosion is an important issue.
Knife edge gate valve symbol.
Knife gate valves are designed to work in some of the most harsh environments typically having a sharpened blade to cut through heavy liquids.
Knife gate valves are a derivative of the parallel gate valve.
The symbol of quality.
The gate faces can be parallel but are most commonly wedge shaped in order to be able to apply pressure on the sealing surface.
There is an excellent range of this valve available with us.
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Nominal diameter 50 to 750mm pressure class pn 6 pn10 end configurations wafer wafer flange our organization is widely acclaimed in offering knife edge gate valve to our clients.
Gate valve with pneumatic membrane actuator.
In handbook of valves and actuators 2007.
Knife edge gate valves.
So in addition to the valve design optimised for slurry media it is beneficial to have a knife made of acid.