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Dear All, We have recently Impact tested @-46 deg C, A516 Gr. 70 material sampled from Spectacle blind.Unfortunately the materials failed to meet the Minimum Impact test value as per MESC specification (Min - 27 J). The manufacturer is not accepting the result as they saying that it is not...

Littile Inch, 6o bar is holding beneath the disc (on Outlet) while it is closed position. and the inlet pressure is 10 bar. The flow direction is exactly as per the valve drawing. However the valves were at our premises, i can convey the details what i recieved from their end.

george varghese you are correct the operations is same as you described.

in some cases inlet port shall be applied through above the disc

Dear All, Me too confused, however we have decided to do seperate hydrotest for a better coclusion.

Dear All, Sorry i was not in the situation to access internet. Appologies for the repeated post. Mr. Muktiadi, there is no leakage through stem, client noticed the pressure raising at inlet side and pressure drop at out let & they seperated the line and confirm the back flow from outlet side...

DEar All, Sorry i was not in the situation to use internet. Thanks for your suggestions & support. Little Inch & Latex man, hope that the ball valve is not suitable in this line. Because outlet holding a pressure (60 Bar) more than inlet (10bar max.). Am not sure about it. We are only traders...

Hi All, We have installed a 6'' #600 hand wheel operating globe valve in a reverse osmosis plant. Valve shall be normally at closed condition. Inlet side shall remain closed (10 bar maximum) outlet side holding pressure 55-60 bar while running the system. We noticed back flow from out let to...

Hi All, We have installed a 6'' #600 hand wheel operating globe valve in a reverse osmosis plant. Valve shall be normally at closed condition. Inlet side shall remain closed (10 bar maximum) outlet side holding pressure 55-60 bar while running the system. We noticed back flow from out let to...