Latest basic News
Needle Valves
Needle valves generally are used for instrument, gauge, and meter line service.…
Construction of a Globe Valve
A typical large globe valve with flanged ends is illustrated in Fig.…
Globe Valves
Conventional globe valves may be used for isolation and throttling services. Although…
Pressure Binding
Sometimes in high-temperature applications, the flow medium, such as water or steam,…
Construction of a Gate Valve
Gate valves consist of three major components: body, bonnet, and trim. The…
API Trim Materials
Rising Stem with Inside Screw. The threaded part of the stem is inside…


