Qingdao Wivo Valves Co., Ltd.
Qingdao Wivo Valves Co., Ltd.
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The connection methods of Knife Gate Valve13 2025-10

The connection methods of Knife Gate Valve

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.
The sealing methods of knife gate valves13 2025-10

The sealing methods of knife gate valves

Knife Gate Valve Seat Material: Typically stainless steel (such as 304, 316) or carbide.
The operating ways of Knife gate valves11 2025-10

The operating ways of Knife gate valves

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 Different Rising stem Knife gate valves and Non-rising stem knife gate valves10 2025-10

The Different Rising stem Knife gate valves and Non-rising stem knife gate valves

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.
Characteristics of Cast Iron Ball Check Valves18 2025-08

Characteristics of Cast Iron Ball Check Valves

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).
Ball Check Valve Structural Characteristics (Influencing Application Selection)14 2025-08

Ball Check Valve Structural Characteristics (Influencing Application Selection)

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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