In centrifugal pumps that are pumping caustic or any acid, on the pump discharge line there is first NRV then pressure gauge along with drain point and after that an isolation valve. What is the reason for this arrangement?
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Ross Mackay Forum Moderator 94 Posts
Re: What is a good arrangement from the pump discharge flange?7 April 2011 at 1:29pm
Regardless of the product being pumped, I would suggest an arrangement from the Pump Discharge Flange as follows:
A concentric increaser
A Pressure Gauge
A NRV Check Valve
An Isolating Valve
Another Pressure Gauge