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Wafer-Type Knife Gate Valve Features: The valve itself has no flanges. Long bolts are inserted through mounting holes in the valve to "clamp" the valve between two pipe flanges.
Manual Knife Gate Valve
Type: Handwheel, handle, or gearbox actuated.
Applications: Commonly used in applications with small orifice diameters, low pressures, or where frequent operation is not required.
The valve stem threads and nut are located outside the bonnet or bracket. During opening and closing, the valve stem moves upward and downward with the gate disc, while the handwheel remains in a fixed position.
Low Strength: Does not withstand pressure and impact as well as materials like cast steel and stainless steel. Typically used in low- and medium-pressure systems (common operating pressure ratings include PN10/PN16, Class 125/150).
Multi-directional installation: Typically designed for horizontal or vertical installation (with upward flow), providing good adaptability (installation orientation requirements must be strictly adhered to).
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