Can I read Piston Check Valves on EtoBox?

Piston Check Valves by Karan Sotoodeh is a book available to read on EtoBox.

What is Piston Check Valves about?

Piston check valves ## General applications Piston check valves are usually selected for small pipe sizes (maximum 2-3 00 ). Fig. 8.1 shows piston check valves, which are used to prevent backflow to the line. Fig. 8.2 shows the internal components of a piston check valve. The design can be with or without springs. In some cases where pressure drop is important, the valve may be designed without a spring to minimize cracking pressure and pressure drop. Cracking pressure is defined as a pressure of the fluid that opens the valve. However, where the valve is installed in the vertical line, the design may include a spring behind the closure member. A piston check valve can be also called a lift check valve. The flow enters from under the disk, lifts the disk, and passes. When the pressure drops, the seat falls down and closes the valve so there is no reverse flow to the upstream side. The closing action is done through a spring force and/or the weight of the closure member. In some cases, a ball instead of piston is energized toward the seat in this type of valve. In that case, the valve is called a ball lift check valve (Fig. 8.3). Piston check valves are cheaper than ball lift check

Author

Karan Sotoodeh

Publisher

Elsevier

Published

2021

Language

EN