Cast Steel Wedge Gate Valves Description
Cast steel wedge gate valve is a gate valve cast from metal steel. Its opening and closing parts are wedge-shaped gate plates. It is mainly used as a fully open or fully closed interception device in pipeline systems and cannot be used for flow regulation. The following introduces its characteristics from multiple dimensions:
Drive mode and model classification
According to the structure, it can be divided into rising stem and non-rising stem. Common models include:
Z40H (rising stem wedge-type elastic gate plate)
Z41H (rising stem wedge-type rigid single gate plate)
Z45H (non-rising stem wedge-type rigid single gate plate).
Cast Steel Wedge Gate Valves specification
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Size Range
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1/2 in to 16 in
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Connection
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Flange Connection
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Material
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Stainless Steel 304/316/316L, WCB, Cast Iron
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Pressure
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16/25/40 bar
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Liquid Tmperature
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-10 to 425℃
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Suitable Medium
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Water, Oil, Gas, etc.
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Flange Standard
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ANSI, JIS, DIN, GB standard
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Types For Choice
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Rising stem gate valve, non-rising stem gate
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Pressure
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Class 150/Class 300/Class 600
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Inspection and Test
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ISO5208, API598
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Connection Dimension
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ASME B16.5, ASME B16.25
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Face to Face
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ASME B16.10
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Design & Manufacture
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ASME B16.34, API600
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Optional Accessories
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Namur Solenoid Valve, Limit Switch, F.R.L, Position Indicator, Manual Device
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Cast Steel Wedge Gate Valves
Advantages and limitations
Advantages: The wedge-shaped structure can effectively seal under both low and high pressures, and the gate will be separated from the valve seat at the moment of opening and closing, reducing the wear of the sealing surface.
Limitations: It only supports full open or full closed operation and cannot be used for flow regulation.
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