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Diaphragm control valve

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article image The Type 2730 Diaphragm Control Valve.

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A self-adjusting valve with zero dead volume is now available from Burkert Fluid Control Systems .

The pneumatically operated Type 2730 Diaphragm Control Valve, with plastic body, comprises hermetical separation of fluids from the operating mechanism by the diaphragm, and is rated for use with potable water and sterile applications as well as with aggressive waste fluids.

The unit includes a pneumatically operated piston actuator, which is designed to facilitate frequent alteration to the defined stroke.

The 2730 is suited to applications and processes in which a controlled flow-rate is frequently altered.

The 2730 is suited to stand-alone operation and is also designed for trouble-free inclusion in a customised modular component or as a building block in a comprehensive water or waste system.

The 2730 can be actuated by top or side control positioners TopControl 8630, SideControl 1067 or SideControl 8635, for continuous regulation.

The 2730 Diaphragm Control Valve has an optional, integrated PID controller, to enable linking with flow, level, pressure or temperature sensors to perform stand-alone process control.

Burkert offers a comprehensive range of instrumentation that ideally connects to the 2730 and is suitable for almost any application.

Another option is the integration of Fieldbus networks, which include DeviceNET and Profibus. This option allows for stand-alone control, with communication back to a central system to receive a set-point and reply with process information, valve position, etc. This proves highly cost-effective in applications where multiple valves are required.

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