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  • Users: jafary64
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  1. jafary64

    Difference Between Cladding & Overlay

    Hi I want to know what is Difference Between Cladding & Overlay Thanks
  2. jafary64

    Minimum pipe length for Process Vent

    Hi my friends Do you know of any specifications or standards regarding the minimum pipe length for process vents (not Hydraulic Vent)?
  3. jafary64

    Can use Concentric Reducer at Flare Line

    Hi my friends Can a concentric reducer be used on a flare line, or should only an eccentric reducer be used? and why is there any spec. or standard that explain it Thanks a lot
  4. jafary64

    Settlement of SS Pipe to Sleeper

    Hi we have Stainless steel Pipe that should be rest on Sleeper due to Galvanic corrosion it doesn't contact between Embedded plate on sleeper & SS pipe now I want know we should use shoe support or can use SS plate over of Embedded plate to prevent Corrosion Thanks a lot
  5. jafary64

    butterfly valve with lever installation

    Hi I have question about butterfly valve is there any spec or standard or etc for Direction of this valve i know when butterfly valve with lever closed lever angle between pipe and lever equal 90 degree but now assume pipe is horizontal and the direction of fluid is from west to east In other...
  6. jafary64

    Calculation for change Weldolet with pipe to pipe

    Hello everyone, I wanted to know where the branching from the line is in the form of a weldolet, if we want to implement it as a reinforced pipe, with or without a pad, how can we do it, is this change in the branching method possible or not? In ASME B 31.3, there is a reference to calculations...
  7. jafary64

    Help for Calculate C on Miter Bend Formula

    I have a question for how to find or calculate C “C = Sum of mechanical, corrosion, and erosion allowances” on attached file. I know it is on ASME “304.2.3 Miter Bends” but how to reach c: 0.05905512 in Can anybody help me & explain it? Thanks a lot...
  8. jafary64

    Situation of Inert gas (CO2) Line

    Hi Where is the position of the main CO2 gas or inert gas header line in comparison of HVAC duct above or below the HVAC duct in the Substation building? Do you know standards or spec or reference in this field thank you
  9. jafary64

    Position of Inert Gas or CO2 Line

    Hi Where is the position of the main CO2 gas or inert gas header line in comparison of HVAC duct above or below the HVAC duct in the Substation building? Do you know standards or spec or reference in this field thank you
  10. jafary64

    Inner Ring On Spiral wound Gasket

    Hi my friends we Have a Spiral wound Gasket Without inner ring then I want to know 1- is this material manufactured by standard and what is the standard 2- when can use this material according to standard thanks a lot
  11. jafary64

    Position of branch

    Hi my friends I work on oil and gas company and when I study p&id for hose station see below note All steam,steam condensate,fuel gas,air & nitrogen branch connection shall be on the top of the header piping I want to know 1- what is the reason of position branch on header (top of pipe) 2- Do...

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