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  1. Ashwani Kumar

    Requirement of Diaphragm seal's PTFE & PFA coating Procedure

    Dear Respected Members can any help me and share the procedure of PTFE & PFA coating on Diaphragm seal's
  2. Ashwani Kumar

    Diffrence between 2" sch 40 and @" sch 40S pipe

    Q.What is difference between sch 40 and sch 40S pipe,as both of the dimensions like OD,ID & nominal Thickness are same.?
  3. Ashwani Kumar

    Selection of Pressure gauge Range For Hydrostatic Pressure Test as per ASME standard

    Q- As per ASTM E1003-13 "The gauge must be accurate to within 1 % of full scale. The gauge must read at least 1.5× but not more than 4× the maximum test pressure to be used". Is there any standard which can permit me to use pressure gauges more than 4X hydro test pressure . for Ex- 4Xhydro...
  4. Ashwani Kumar

    Determining PWHT cycle for Butt Weld Carbon steel Pipe A 106 Gr.b ,_P No.-1 ,Group No.1

    Dear Respected Members and Welding Experts. i have to prepare the PWHT cycle for butt weld A 106 Gr.b Pipe joints and Tee joints with pipe and #300 wnrf flanges (carbon steel)for below section size :- a) 2" sch 160 (t=8.74mm) b) 2" sch xs (t=5.54mm) c) 2" sch 40s (t=3.91mm) As per WPS -...

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