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  • Users: joji90
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  1. joji90

    Exothermic welds VS Clamps Connections

    Hello Everyone, Site: Netherlands, Facility: Pharmaceutical We have a grounding ring grid underground a building and the connections from this to the Earthing bars inside the building are supposed to be exothermic welds (According to a drawing which was produced earlier). the client is now...
  2. joji90

    Cable Size reduction near the consumer.

    I have a power cable running from the MCC room to an analyzer cabinet, we calculated the required size and pulled 10mm2 cable(10-P-1142/1143). however after the switch , its reduced to 2.5mm2 since this portion of the cable was existing. this section of the cable ( 10-P-2101/2017) is only 5...
  3. joji90

    API plan 54 instrumentation

    Guys, I have a glycol sealing unit( plan 54) for agitator of a vessel, below is the seal PID and arrangement proposed by the vendor however in the old system ( which is being replaced now) had PSLL tripping the agitator at 2 barg which is not included in the new system by the vendor...
  4. joji90

    Reading the Circuit diagram of a Safety switch( RCU)

    Hi All, can anyone help me read this circuit diagram for a remote control unit of a motor . excuse me for being a noob! I'm from instrumentation background. thanks in advance, joji
  5. joji90

    On-off valve Hookup

    Dear members, I have a XCV( fail open) and has to be slow opening , the idea is to demolish the old valve and install new one., but when I see the pneumatic hookup of the old valve, I don't understand it, I made a pneumatic drawing from the existing setup but could identify the clouded...
  6. joji90

    pressure compensation/regulation for TDL analyzer

    I have to buy a TDL analyzer where the stream to be analyzed is nitrogen /methanol at 0.4-1 barg at inlet and about 0.1 barg at the outlet as mentioned in the PID below. the gas travels the yellow line . client is worried about pressure fluctuations causing a measurement error. on the right...
  7. joji90

    DP level Transmitters with external dipahragm seals a normal standard irrespective of the process??

    [indent HI Everyone, i need to measure the level in a vessel,open to atmosphere , i plan to do it with a DP transmitter connected on high side and low side vented to atm. My medium is liquid fuel gas from Gas turbine Generator. i understand that DP level Tx can be connected with and without...
  8. joji90

    Oil in Water Analyzer Types

    Hello Members, i need to buy 2 oil in water analyzers for my FPSO project . the vendors we approched (inov8s and Advanced sensors) had 2 types of LIF(laser induced flouresence) Models in their portfolio 1) Side stream type 2) inline type . I was not able to distinguish between both technically...
  9. joji90

    FIRE WATER RING PRESURE REGULATING VALVE

    We have a 12 " fire water ring running from the aft to forward of the FPSO . initially a PRV was supposed to be located on the discharge of the main Fire water pumps but was removed later due to huge cost implications but now when all the construction is over we find heavy vibration on the...

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