What is loop or pigtail in an impulse line?
Answer Posted / k. thirunathan ntpc ramagund
1.PIGTAIL IS USED ONLY IN STEAM LINE WHICH HELPS TO CONVERT
STEAM VAPOUR PHASE IN TO LIQUID WATER PHASE
2. AVIOD HIGH TEMPERATURE DIRECTLY CONTACT
IN INSTRUMENT LIKE PRESSURE GAUGES,PRESSURE
TRANSMITTERS..etc.
3.FINALLY IT REDUCES HIGH PRESSURE INTO LOW PRESSURE AND
AVIOD VIBRATION IN IMPULSE LINES.
| Is This Answer Correct ? | 35 Yes | 12 No |
Post New Answer View All Answers
Why even multiple power supplu r used in instrumentation system?
what is sil (safety integrity level
is there any digitel grevity meter availaible in the market by which we can measure specific gravity of a battery?
we want to control pump in let pressure and tank (for exp) our inlet line if water cam and pump will on and when our tank will full pump will off also if our inlet pressure low pump will off even tank not full.this pump i want to uses on our water supply line.
the 3 most common transmitter protocol being in refinery or qatar gas and aramco.
Identification of control valve parts.
Why thermo wells are used? What materials are used in thermo wells?
what are the definitions of input, output, command & signal according to instruments controlled by PLC using DCS System?
Yokogawa CENTUMVP R6.09 unable to download to Engineering Station with ExaOPC R3.75
The issue is when I try to download the common project section to the Engineering Station (STN) from the HIS in System View, it is unable to connect. The error displayed is:
WARNING: Could not connect to equalize destination. (7001)
Retrying. Number of retries = 0/1
ERROR: LdXopsLoadMain: connect error 10060
ERROR: Processing terminated due to connection error. (7002)
Equalization end with errors. STN0149
---- ERROR = 2 WARNING = 1 ----
Background:
>Updated the ExaOPC software on the STN from 3.60 to 3.75
>STN operating system is Windows Server 2008 R2
>HIS operating system is Windows Server 2016 Stanard
Solutions attempted include:
>Ensuring all IP addresses are correct and all networked devices can be pinged.
>The ability to ping a device using its host name from another device (
What is Predictive Maintenance
What is the difference between mmwc and mmwg?
Can any body help to get Rsemulator 5000 free from internet if possible then give me any link or any help .
I need control valve ISA hand book. Is there any site to download that big book containing all the pages. Written by Paul Friedmann
how to design orifice plate?what is the equation?
how to calculate control valve bonnet size?? or how to select its material?