Safety Valve Selection Guide
The primary function of a safety valve is to protect not just properties but the lives of people dwelling in particular places as well. It is a safetymechanism that is intended to stop the fluid from flowing after the pressure normalizes. There are many different designs of valves that are available in the market. This is because each would differ slightly with their functions and applications. In addition, the designs vary because it also depends on the national standards where the valves are made. Since it performs a huge task of protecting everyone, it is of paramount importance that you know how to choose one.
There are quite a number of factors that you have to take into account when you choosing a valve. First is the disposal system type. Valves can have levers, open and closed bonnets. Those which have an easing lever allow the users to lift it manually. It is usually conducted during the maintenance period. ASME suggests that suck type of disposal can be used on 60°Cwater, air and steam. Meanwhile, open bonnets are applicable with non-toxic gases and with fluids which has temperature that is higher. Closed bonnet on the other hand is utilized when the fluid inside the container must be held by the valve.
Another thing to consider is the cost of safety valve. However, you ought to consider this greatly only when the application is quite important. After all, you are protecting your safety. Otherwise, you can opt for less expensive ones. The cost must be based both on the capacity and nominal size of the valve. Depending on the model, one may be very different from the other though it may bear quite similar inlet connection.
Furthermore, you must take into account the manufacturer of the valve that you are going to purchase. See to it that you will only buy from the leading firms so that you can ensure the effectiveness of the product and your security as well. Make sure that all parts of the safety valve are working well. Opt for firms that offer warranties so your interest will be protected.
One more factor that you must consider is the approval of the valve. There are many different standard codes that are intended for various models. It varies depending on how the product performs and on the materials used on its assembly. It ought to be approved by the concerned regulating bodies. This will help you put your mind at ease as you can guarantee that the product adheres to the standards set.
Safety valve is your lifesaver. You need to make sure that you are getting the appropriate tool for you. Certainly, you ought not to use the wrong tool as you would not be able to do the job right. Selection of valves needs not to be overwhelming. What you need is to be smart in doing it. You surely do not want your valve to be defective at the time you would need to use it.