Ordinary globe valves are linear motion valves and are generally used to start, stop, and regulate the flow of fluid. The operation of these valves can either be done manually or automatically to ...

In the early 1900s - around the time that naval vessels were first experimenting with diesel engines - another important innovation was emerging at the other end of the propeller shaft line. This ...

Advertiser Content: Supplied by an entity that has paid Newsweek for its placement; not impartial journalism. The machinery components behind our modern industrial marvels are the hidden bedrock of ...

Less leakage results in reduced product loss, increased efficiency, and improved energy management. Figure 1. This control valve is subjected to EPA’s Method 21 “sniff ” test to determine the fugitive ...

The Prime Mover, a linear actuator from Senior Aerospace Metal Bellows in Sharon, Mass. (www.metalbellows.com), can handle such applications because it uses a metal bellows to generate force. The ...

A spring-energized mechanical seal refers to the force used to maintain the seal face and the mating ring in close contact, which is supplied by a mechanical spring device. This device can be a wave ...

Mechanical face seals are a good choice when minimum leakage of the sealed fluid is the most important criterion. The primary sealing interface is between rotating and stationary members that form a ...