With the rapid pace of technology and innovation, valuable information that should be passed on to industry professionals is often glossed over today. While shortcuts or quick fixes can reflect well on short-term budgets, they exhibit a lack of experience and overall understanding of what makes a system viable in the long run. Based on these experiences, here is a list of 6 common installation mistakes that are easy to overlook:
1. Bolts too long.
With bolts on valves, only one or two threads over the over nut is sufficient. It reduces the risk of damage or corrosion. Why buy a bolt longer than you need? Often bolts are too long because someone doesn’t have the time to calculate the correct length, or the individual simply doesn’t care what the end result looks like. This is lazy engineering.
2. Control valves are not isolated separately.
Although isolating valves takes up valuable space, it is important that personnel can be allowed to work on the valve when maintenance is required. If space is a constraint, and if gate valves are considered too long, at least install butterfly valves, which take up hardly any space at all. Always remember that for maintenance and operations that must be performed standing on them, it is easier to work with them and more efficient to perform maintenance tasks.
3. No pressure gauge or device is installed.
Some utilities prefer calibration testers, and these facilities are usually well equipped for their field personnel to connect testing equipment, but some even have connections for mounting fittings. Although not specified, this is designed so that the actual pressure of the valve can be seen. Even with Supervisory Control and Data Acquisition (SCADA) and telemetry capabilities, someone at some point will be standing next to the valve and will need to see what the pressure is, and that is so convenient.
4. Too little installation space.
If it’s a pain in the ass to install a valve station that may involve work such as digging up concrete, don’t try to save that little bit of cost by making it as little installation space as possible. It will be very difficult to perform basic maintenance at a later stage. One more thing to remember: the tools can be very long, so it is important to set up the space to allow for space so that the bolts can be loosened. You also need some space, which allows you to add equipment later.
5. Do not consider later dismantling
Most of the time, installers understand that you can’t join everything together in a concrete chamber without needing some type of connection to remove parts at some point in the future. If all the parts are tightly screwed together with no gaps, separating them is nearly impossible. Either grooved couplings, flange joints or pipe joints are necessary. In the future, it may sometimes be necessary to remove components, and while this is not usually a concern for the installing contractor, it should be a concern for the owner and engineer.
6. Concentric reducers installed horizontally.
This may be nitpicking, but it is a concern. Eccentric reducers can be installed horizontally. Concentric reducers are installed in vertical lines. In some applications where mounting in a horizontal line is required, an eccentric reducer is to be used, but this issue usually involves cost: concentric reducers are cheaper.
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Post time: Apr-16-2024