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CÔNG TY TNHH KỸ THUẬT SVST

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Emergency shutdown valves
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Emergency shutdown valves

Reliable intelligent emergency shutdown (ESD) valves and actuators with Neles™ ValvGuard™ intelligent valve controllers improve your plant safety cost efficiently. In Neles we have combined our know-how of valves, actuators, safety standards (IEC61508/61511), applications, system operability and partial stroke test devices with intelligent prediction tools. Diagnostic information is presented understandably to enable planned maintenance of potentially failing valve assemblies before they have a chance to impact the process or safety.
RCI9H2 for Neles™ ValvGuard™ VG9000
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RCI9H2 for Neles™ ValvGuard™ VG9000

RCI9H2 is intended to be used together with the Neles ValvGuard VG9000H. It is needed when a 24 VDC output (DO) is used in the safety system. RCI9H2 is connected between the safety system and the field device VG9000H. The primary function of RCI9H2 is to convert a safety DO into a SIL 3 compatible 4-20mA current signal. RCI9H2 also provides relay outputs for monitoring the test and alarm status of the VG9000H.  
Neles™ ValvGuard™ VG9000 – intelligent safety solenoid
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Neles™ ValvGuard™ VG9000 – intelligent safety solenoid

Neles ValvGuard is a top class intelligent safety solenoid with partial stroke testing features for emergency shutdown and venting valves. Based on the automatic PST and other diagnostics data, VG9000 increases safety and plant safety targets can be reached more economically than with other solutions.
LCP9H for Neles™ ValvGuard™ VG9000
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LCP9H for Neles™ ValvGuard™ VG9000

Local Control Panel (LCP) is designed for controlling the emergency isolation valve (ESD or ESV) locally nearby the valve via Neles ValvGuard VG9000 intelligent solenoid valve. LCP permits the emergency isolation valve to be closed (or opened) locally and permits the valve to be returned to the normal operating position when the trip initiators are normal (Manual Reset -function).

Emergency Shutdown Valve