Knife Gate Valve Suppliers
Valvesonly Europe
is the foremost Knife Gate Valve Suppliersin Germany. A knife gate valve is a
type of valve that utilizes a flat gate or blade to control the flow of a
fluid. The name "knife gate" comes from the blade's ability to cut
through slurry and other thick fluids. These valves are primarily used to start
or stop the flow of media rather than regulate it. When the valve is fully
open, the gate is completely withdrawn from the flow path, offering minimal
resistance and allowing for a full, unobstructed flow.
Working
Theory of Knife Gate Valve
The working
theory behind a knife gate valve is relatively straightforward. When the valve
is in the open position, the gate is retracted into the valve body, allowing
fluid to pass through. When the valve needs to be closed, the gate is lowered
into the flow path, cutting through any material in its way and forming a tight
seal. This action is typically achieved through a linear motion mechanism,
which can be manual (handwheel or lever), pneumatic, or electric.
What Are
Knife Gate Valves Best Used to Regulate the Flow Of?
Knife gate
valves are specifically designed to handle slurries, viscous, corrosive, and
abrasive fluids. These valves excel in applications where there is a need to
cut through thick media, such as in pulp and paper mills, wastewater treatment
plants, mining operations, and chemical processing. Their design allows them to
slice through fibrous or particulate matter, making them ideal for systems
where clogging is a common issue with other types of valves.
Knife gate
valves are constructed with several key components:
· Body: Main structure housing all
components, made from materials like stainless steel or cast iron.
· Gate (Blade): Flat, sharp-edged
component that moves to open or close the valve, designed to cut through media.
· Seat: Sealing surface the gate
presses against when closed, made from resilient materials like rubber or
metal.
· Stem: Connects the gate to the
actuator or handle, translating motion to open or close the valve.
· Packing: Seals the space around the
stem to prevent fluid leakage.
Industries
Using Knife Gate Valves:
· Pulp and Paper
· Mining
· Wastewater Treatment
· Chemical Processing
· Power Generation
Knife Gate Valve Suppliersin Germany offer long service life
and reliable operation even in challenging environments.
Description:
Available
materials: WCB, WC6, WCC, LCB, LCC, Cast iron, Ductile Iron, SS316, SS304
Size:
2" to 80"
Class: 150
to 300
Nominal
Pressure: PN6 to PN40
Operation:
Handwheel, Electric and Pneumatic Actuated, Gear operated
Ends: Wafer,
Lug, Flanged
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