Depending on whether a valve is open or closed it let pass the process fluid or halt the fluid.
Gate valve parts and function pdf.
The closure member of gate valves either stops or allows flow through the valve and acts somewhat like the opening or closing of a gate and is called appropriately the gate valve.
Stopping and starting a fluid flow.
Functions of parts of gate valve.
When the gate valve is fully open the disk of a gate valve is completely removed from the flow.
Gate valve description gate valves are primarily designed for on off services when a straight line flow of fluid and minimum restriction is desired.
When the valve is wide open the gate is fully drawn into the valve bonnet.
Gate valves are used when a straight line flow of fluid and minimum flow restriction are needed.
C controlling the direction of fluid flow.
The significant feature of the gate valve is less obstruction to flow with less turbulence within the valve and very little pressure drop.
The gate valve is particularly desirane and generally tot use in applications where a minimum pressure drop is required.
It serves as the principal.
Gate valves the gate valve is the type of valve most often used in industrial piping.
When the valve is wide open the wedge is lined entirely out of the waterway.
Valve serve a various function within the piping system.
Therefore virtually no resistance to.
Class 900 and above gate valves consist of a ring type joint.
Of its resistance to flow when tulty open.
Depending on the valve service it can be supplied flat face gasket with graphite or ptfe.
It is a linear motion valve used to start or stop fluid flow.
Class 150 gate valves consist of a square joint in 2 and an oval one for all other sizes.
A gate valve is the most common type of valve used in any process plant.
Brochures and catalogs are available on request.
Crane also manufactures bronze ball valves iron wafer and lug butterfly valves and bronze gate globe and check valves.
D regulating downstream system or process pressure.
A valve controls system or process fluid flow and pressure by performing any of the following functions.
A stopping and starting fluid flow.
Valve functions and basic parts.
Regardless of type all valves have the following basic parts.
A valve is a mechanical device that controls the flow of fluid and pressure within a system or process.
Gate valves use a sliding plate within the valve body to stop limit or permit full flow of fluids through the valve.
In service these valves are either in a fully open or fully closed position.
The basic parts of a valve are illustrated in figure 1.
0250 application gate valves are designed for use in the fully open or fully closed position and are not recommended tor throttling.
The body bonnet trim internal elements actuator and packing.
Bronze gate valve solid wedge non rising stem fig.
Some of the valves let you throttle the fluid depending open of total opening.
The body sometimes called the shell is the primary pressure boundary of a valve.
Index iron valve selection guide figure number index catalog crane pressure stem.
Class 300 and 600 valves consist of a circular spiral wound gasket.
B varying throttling the amount of fluid flow.
