BPV size and flow rate?
BPV size and flow rate?
(OP)
Do small size Back Pressure Valves have smaller flow rate then the bigger size BPVs?
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RE: BPV size and flow rate?
My focus: Alloy Valves Super Duplex Valves Monel Valves Incoloy Valves Titanium Valves Hastelloy Valves
RE: BPV size and flow rate?
However, the flow rate of 1.5'' valve is actually a little bit higher. Both valves are installed on 2'' pipeline.
Any help?
RE: BPV size and flow rate?
From your other posting of BPV, I am not sure you are understand fully about BPV.
RE: BPV size and flow rate?
Any valve have a flow capacity depending not on the nominal diameter, but on the characteristics (size and form) of the 'light opening' through the valve.
As known this is normally given by the Cv (or European Kv) value. This and the pressure difference between inlet and outlet side of the valve gives the flow.
For nearby smaller sizes it is quite common that Cv's might vary and be larger for smaller valves, depending of the valves exact inner trim and form.
The difference might also stem from uncorrect or varying measurement of flow data at site.