New Mexico Pipe Fitter Journeyman (JPF) Practice Exam

Which type of diaphragm valve is ideal for handling products with solids or viscous fluids?

1. Angle type diaphragm valves

2. Direct acting diaphragm valves

3. Straight way type diaphragm valves

4. Adjustable diaphragm valves

The correct answer is: Straight way type diaphragm valves

The ideal type of diaphragm valve for handling products with solids or viscous fluids is the straight way type diaphragm valve. This design features a direct flow path, which minimizes turbulence and clogging, making it more suitable for transporting fluids that contain particulate matter or have a thicker consistency. The straight-through design facilitates the smooth passage of these materials, reducing the chances of blockages that could occur in more complex valve designs. In addition, straight way diaphragm valves provide better drainage, allowing for easier cleaning and maintenance, which is crucial when dealing with viscous fluids that can adhere to surfaces. Their straightforward construction also generally leads to a reduced pressure drop across the valve, contributing to overall efficiency and performance when handling challenging materials. While other types of diaphragm valves may serve specific purposes, the design characteristics of straight way diaphragm valves make them particularly advantageous for applications involving solids or viscous fluids.