Gate valves work by inserting a dam (“gate”) into the path of the flow to restrict it, in a manner…
Diaphragm valves use a flexible sheet pressed close to the edge of a solid dam to narrow the flow path…
A sliding-stem valve body is one where the moving parts slide with a linear motion. Some examples of sliding-stem valve…
Very basic does not imply obvious...i really like this statement. Very often the answer is very fundamental and basic to…
The following collection of photographs chronicles the complete disassembly of a Fisher E-body globe valve with pneumatic diaphragm actuator. This…
An ON/OFF Valve is the fluid equivalent of an electrical switch, a device that either allows unimpeded flow or acts…
Pressure‐sensing trip valves are for control applications where a specific valve/actuator action is required when supply pressure falls below a…
Like other pressure relief valves (PRV), Pilot operated relief valves (PORV) are used for emergency relief during overpressure events (e.g., a tank gets too…
A relief valve or pressure relief valve (PRV) is a type of safety valve used to control or limit the pressure in a system; pressure might otherwise build…
Dome Valve is a pressure tight compressed air operated valve, capable of returning over one million maintenance-free cycles, even in abrasive,…
