Plug and spindle valve positions can be adjusted to ensure that the system in question operates within the optimum efficiency range (typically when the valve is 30-80% open). For instance, these valves can regulate operating temperatures by using sensors to adjust to specific fluid parameters to maintain the desired temperatures and flow.įor some chilled or hot water applications, 2 way valves are also an ideal solution. These valves are an essential component in many process safety systems, as they can immediately stop fluid flow to a specific location in the event of an emergency.Ģ way valves can also be used in variable flow systems that experience changes in pressure, temperature, and flow. Percise plug positions will control the flow rate through the valve.Ģ way valves are commonly found in basic on/off applications, where they are frequently referred to as isolation valves.
The B port is fully capped off with a blind flange on all Baelz 2 way valves. Conversely, when the plug and spindle are fully down, the valve is open from A to AB. When the plug and spindle are positioned all the way up, the valve is fully closed from ports A to AB. When fluid enters the inlet (port A) of a 2 way valve, the relative position of the plug dictates the amount of fluid allowed to leave the outlet (port AB).
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Since these valves support different flow rates, temperature ranges and pressures, it is important to understand their differences before determining which type of valve is appropriate for your application.Ī Guide to Selecting Control Valves for Your Project Download Now 2 Way Valve Operation 2 way valves, as their name suggests, consist of two ports: an inlet port “A” and an outlet port “AB.” On the other hand, 3 way valves consist of three ports: “A,” “B,” and “AB”. These valves are defined by the number of ports they use. The actuator, which can be either pneumatic or electric, controls the valve plug by moving it up or down in varying strokes.Ģ way and 3 way valve classifications are commonly used in industrial applications. The main components of a Baelz control valves are the actuator, plug and spindle, and the valve body. There are numerous types of valves, each differing in various ways, including operating principle, configuration, power source, and application.ĭownload our 3-way control valves ebook > These devices regulate, redirect, or control the flow of liquids or gases by opening, closing, or partially blocking flow passages. Valves play a crucial role in almost all industrial processes.