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The Mark 128PQC Series Control Valve body assembly is suitable for on-off dump valve service in oil and gas production applications, in either sweet or sour gas conditions. This valve is also useful for on-off high-pressure control of numerous gasses and liquids, and can be used with materials that are viscous or erosive.
The Mark D & DA Series are single port, screwed-in metal-seated valves with unbalanced post-guided valve plugs, and push-down-to-close plug action used for high pressure applications. These valves are used in the oil and gas industry, and are especially useful for throttling or on/off control of liquids or gases, providing excellent pressure and flow control of gasses and various liquid processes.
The Mark DBAQ Series control valves are ideally suited for high pressure water and steam applications, providing excellent pressure and flow control. This design may be utilized in both high pressure and high temperature control service.
The Mark DBAQ is an angle style valve, which may be used in angle piping or self draining applications. The Mark DBAQ Series valves are single port, metal seated valves.
The Mark E Series (1″ – 6″) is a single port, globe-style body with composition or metal seats and a balanced push-down-to-close valve action plug.
There are two styles of valves available, providing excellent pressure and flow control on steam, gasses and various liquid applications
The Mark EZ Series is a globe style valve with integral end connections, post guiding and quick-change trim. Typical applications include chemical or hydrocarbon processing, as well as applications that require control of viscous, non-lubricating or other hard-to-handle fluids. End connection styles are flanged Class 150, 300, and 600 raised face, ring type joint or flat face as per ASME B16.5. Screwed connections are consistent with Class 600 as per ASME B16.34 latest edition.
The Mark H Series control valve provides excellent pressure and flow control on steam, gasses and various liquid applications.
The Mark H2D valve is a single port, globe body with cage guiding, and balanced valve plug with push down to close action. Suitable for general applications where tight shutoff is not required.
The Mark H5T valve is a single port, globe body with cage guiding, balanced valve plug, metal seat and pressure assisted spring seal to provide a seal between the valve plug and cage. Suitable for applications which require low leakage rates.
Excellent pressure and flow control on steam, gasses and various liquid applications.
The HP Series control valves are high pressure globe and angle valves, designed for high-pressure applications in the process control industry.
They are equipped with metal seats, cage guiding and quick-change trim and push-down-to-close valve plug action. These valves use balanced valve plugs.
The Mark V-100 ball valve bodies have excellent pressure and flow control for gasses, various liquids and fibrous slurries.
The Mark V-100 ball valve design utilizes a standard ball with a triangular shape wedge formed in it. This device allows for both throttling control and on/off service used in conjunction with a variety of actuators.