Safety Relief Valves: Advantages & Disadvantages in Agro-Chemical Plants

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The discussion emphasizes the critical importance of hiring a licensed professional mechanical engineer when installing safety relief valves in agro-chemical plants, particularly due to the potential hazards involved. The original poster seeks confirmation on connecting the discharge pipe from the safety relief valve (SRV) to a vent manifold located four meters below, highlighting concerns about engineering practices. Participants stress that improper installation can lead to severe safety risks, including fatalities. The thread concludes with a warning against relying on informal advice for such a crucial engineering task. Professional guidance is essential for ensuring safety and compliance in these installations.
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Hello,

I work in an agro-chemical plant and we are now installing safety relief valves on all our reactors. Ours is a multi-purpose plant and there are constant change overs in the lines . Our avg. reactor size is 16KL , largest and most of them being 20 KL. Our design manager says that the discharge pipe from thr srv can be connected to the vent manifold that runs in the lower floor . The distance between the srv and the manifold on the floor below is about 4 meters (atleast). Can anyone please confirm whether this is a good engineering practice ? Also please clarify any advantages and disadvantages of connecting the srv discharge line to the vent manifold above the srv.
 
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Welcome to PF.

This question can't be answered with the information provided, but more to the point, this task is quite possibly the most important reason one would ever need to hire a licensed professional mechanical engineer: doing safety relief valves wrong kills people and PF is certainly not going to take on such responsibility.

Hire a licensed PE.

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