Dear Sir / madam, It is necessry to calibrate the control valve or on/off valve. becuse by calibration only we have to know that checking of full trim and plugMessage 1 of 3 , May 31, 2007View SourceDear Sir / madam,It is necessry to calibrate the control valve or on/off valve.becuse by calibration only we have to know that checking of full trim and plug movement.By applying max pressure that is depend on contol valve.Eg. applying pressure is 2.1 Kg/Cm2, the valve will fully shut or open.according to that adjust the trim to plug nut,After that adjustment fill with water on upstream or fill with pnematic supply, wait for a minute if the water drops is less than one or two drop, that may be consider as class IV.study about the Leakage class of control valves.
asemooneabi2020 <zolfaghari110@...> wrote:Dear sir/madam
Is it necessary to test and calibrate the Control and One/Off valves?
we installed some control and on/off valves without testing and
shall we remove them and take to calibration shop and test them with
These valves belong to "Low Density Poly-Ethylene" in one polymer
complex, and some of them are controlling the high pressure service,
we are in construction stage.
How we can ensure that the TSO (tight shut off) valves doesn't have
Your quick answer will be highly appreciated.
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Hi,, We are looking for Instrumentation Design engg for a leading consultancy in oil & gas , petrochemicals, chemicals The positon is mumbai based ( westernMessage 1 of 3 , Jun 9, 2007View Source
Hi,,We are looking for Instrumentation Design engg for a leading consultancy in oil & gas , petrochemicals, chemicalsThe positon is mumbai based ( western side) at malad mindspace.Kindly revert back with your interest with your current ctc, expected ctc,notice period
Designation Dy.Chief Engineer/Lead Engineer/Principal/Sr Engineer-Instrumentation Job Description Executing detailed engineering and also leading the group of engineers/designers. Desired Profile Candidates should be B.E. in Instrumentation & Control/ Electronics or Equivalent with 4 to 10 years experience in Instrumentation Engineering. Knowledge of In-Tools will be an added advantage. The candidates having experience in Engineering office of Reputed Consulting Engineering Companies preferably in the field of Refinery, Petrochemicals, Chemicals, Fertilizers , Oil& Gas will be preferred.
Those who have appeared/applied in last 6 months need not apply. And also candidates who have got only the construction experience also need not apply.
Experience 4 - 9 Industry Type Chemicals / Petro Chemicals / Plastics / Rubber Functional Area Engineering Design / R&D Education UG - B.Tech/B.E. - Instrumentation
PG - Post Graduation Not RequiredFrom: ruchi@...Ruchi J Panchalcontactx Resource ManagementAndheri (E)Mumbai40960207, 9833084701
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