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Adjustable throttle valves can be classified by their regulation methods into: needle type adjustable valve, cylinder type adjustable valve, wedge type adjustable valve, and perforated plate type adjustable valve
The valve needle and valve core are made of hard alloy, featuring wear resistance, erosion resistance and corrosion resistance
It can play an important role in regulating flow, pressure and closing
Needle-shaped structures are mainly used in oil production tree equipment, while cylindrical, wedge-shaped and orifice plate structures are mainly used in throttling manifolds
Drive mode: Manual, hydraulic
Working pressure: 2000-20,000 psi
Connection methods: flange, thread, etc
Nominal diameter: 2-1/16" to 4-1/16"
Specification level: PSL1 to 3
Performance level: PR1 to PR2
Material grade: DD~FF
Temperature level: PU (-29 to 121℃)