Table of Contents
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0870203597_NC0100-0300B_WCV_Ex_-0001_IM_en
Table of Contents
2.1 Operating Principle............................................................................................... 8
2.2 Application ........................................................................................................... 8
2.3 Start Controls ....................................................................................................... 9
2.4 Standard Features................................................................................................. 9
2.5.1 Gas Ballast Valve........................................................................................10
2.5.2 Silencer ......................................................................................................10
2.5.3 Resistance Thermometer............................................................................10
2.5.4 Pressure Transmitter ..................................................................................10
2.5.5 Pressure Switch..........................................................................................10
2.5.6 Mechanical Seals........................................................................................10
2.5.7 PTFE Shaft Seals.........................................................................................11
2.5.8 Terminal box..............................................................................................11
2.5.9 Flame Arresters ..........................................................................................11
2.7.1 ATEX Classifications and Associated Accessories ........................................12
2.7.2 P&ID "Piping and Instrumentation Diagram" ............................................13
5.1 Installation Conditions .......................................................................................... 17
5.2 Connecting Lines / Pipes ...................................................................................... 18
5.2.1 Suction Connection....................................................................................18
5.2.2 Discharge Connection................................................................................19
5.2.3 Cooling Water Connection ........................................................................19
5.2.4 Barrier Gas System Connection ..................................................................21
5.2.5 Dilution Gas System Connection (Optional) ...............................................22
5.2.6 Purge Gas System Connection ...................................................................24
5.2.7 Flame Arrester Bypass Connection (Optional) ............................................25
5.3 Earth Connection.................................................................................................. 26
5.4 Filling Oil .............................................................................................................. 26
5.5 Filling Cooling Liquid ............................................................................................ 28
5.6 Liquid Flushing Device Installation (Optional) ....................................................... 29
5.7 Fitting the Coupling.............................................................................................. 29
5.8 Electrical Connection ............................................................................................ 30
5.8.1 Wiring Diagram Three-Phase Motor (Pump Drive).....................................31
5.8.2 Wiring Diagram Solenoid Valve .................................................................32
5.9.1 Wiring Diagram Resistance Thermometer ..................................................33
5.9.2 Wiring Diagram Pressure Switch ................................................................34
5.9.3 Wiring Diagram Pressure Transmitter.........................................................34
5.9.4 Wiring Diagram Vibration Sensor...............................................................35
5.9.5 Wiring Diagram Flow Switch......................................................................35
Summary of Contents for COBRA ATEX NC 0100-0300 B
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