Performance Features:Bevel Shape:V,double V and U;applicable for the radial or axial beveling of regular wall pipes and radial beveliing of thick wall pipes;Centering-clamping from left and right synchronously with hydraulic motor and screw rod,radial differential feed cutting and motor retract or axial motor feed-retract cutting :standard number control blade without coolant. EPEBM-16E/24E/32E/40E/48E/60E
Performance Features:Bevel Shape:V,double V and U;applicable for the radial or axial beveling of regular wall pipes and radial beveliing of thick wall pipes;Centering-clamping from left and right synchronously with hydraulic motor and screw rod,radial differential feed cutting and motor retract or axial motor feed-retract cutting :standard number control blade without coolant.
Control valves are normally fitted with actuators and positioners. Pneumatically-actuated globe valves and diaphragm valves are widely used for control purposes in many industries, although quarter-turn types such as (modified) ball and butterfly valves are also used.
Control valves can also work with hydraulic actuators (also known as hydraulic pilots). These types of valves are also known as automatic control valves. The hydraulic actuators respond to changes of pressure or flow and will open/close the valve. Automatic control valves do not require an external power source, meaning that the fluid pressure is enough to open and close them.
Automatic control valves include pressure reducing valves, flow control valves, back-pressure sustaining valves, altitude valves, and relief valves.
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Flow Control Valve,Hydraulic Flow Control Valve,Automatic Flow Control Valve,Pneumatic Flow Control Valve
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