Can a butterfly valve be connected directly to the equipment outlet?
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As the title suggests, can flanged and wafer-type butterfly valves be connected directly to the equipment piping?
Yes, I’ve seen them connected directly at the factory
But for a project I’m working on that involves a heat exchanger with circulation water pipes of 28\", the butterfly valve is connected directly to the pipe end; however, during the model review by management, it’s required that there be an interface rather than a direct connection
Flanges are okay, but wafer types won’t work, right?
However, the clamped bolts are long, and this factor needs to be taken into account when connecting them to the equipment interface. Actually, it’s best if the valve is connected directly to the equipment without affecting operation
The pump outlet is problematic; the gate plate tends to hit the impeller
I don’t think the length of the bolt is a problem; it can be extended in one direction if it won’t fit in another. It is likely that the bolts are tightened to ensure a secure seal at the clamped surfaces; in some cases, excessive stress on certain bolts may cause deformation of the flanges on the equipment.
It depends; if a centrifugal fan is used, it is not recommended to connect the inlet and outlet directly – generally, bellows are needed for vibration damping at these connections.
This post was last edited by sunshy_yu on 2019-5-24 at 16:58. It is generally not recommended to use butterfly valves as root valves for equipment, mainly because butterfly valves tend not to close properly. If it must be used, flanged types are acceptable; wafer types are not recommended.
If the device connections are flanged, can’t they all be connected directly? Of course, except in cases where additional soft connections are needed.
If the device connections are flanged, can’t they all be connected directly? Of course, except in cases where additional soft connections are needed.