[MW:33194] Hydro Test Pressure difference_ Piping Spool's

Dear All,

We have conducted a hydro test of Piping Spools (14'' Pipe x 12 Mtr Long),we have  faced Gauge pressure difference at Higher and lower end.

Test Pressure Required : 283 PSIG

Lower End  : 290 PSIG

Higher End : 283 PSIG

Kindly provide what is acceptable pressure difference between lower and higher end.

Regards,

Pradeepan.

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