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What is the use and features of the Expanding gate valves?
Expanding gate valves are used in various industrial areas like isolation valves in power plants, ESD valves in production, block valves in process systems, high temperature valves in refineries, and pipeline valves in critical areas. These expanding gate valves manufactured by various manufacturers are available in all the sizes, pressure ranges, and trims used in piping systems requiring the positive shut off of liquid or gas. The expanding gate valves are full bore through conduit valves with rising stem and parallel expanding gate and segment for tight mechanical seal and positive shutoff, both upstream and downstream, and under both low and high differential pressure. An expanding gate valves should have the following features: Parallel expanding gate design creates positive mechanical seal across both seats, both upstream and downstream, with or without line pressure. Non-rising stem permits valve installation in pressure drop.
What is the difference between gate and latch in digital electronics?
The difference between a latch and a flip-flop is that a latch does not have a clock signal, whereas a flip-flop always does. Apart from the clock signal difference, ~ Latch is a level sensitive device while flip-flop is an edge sensitive device. ~ Latch is sensitive to glitches on enable pin, whereas flip-flop is immune to glitches. ~ Latches take less gates (also less power) to implement than flip-flops. ~ Latches are faster than flip-flops.
Is the full bore applicable for gate valve or that's just for ball valve type?
For Ball valve only,as it gives more full bore flow,unlike wedge block,slow operating in Gate valve.
Is full bore gate valve is different from normal gate valve?
valves are available in three types first is full bore equal to 100 percent opening normal bore/port equal to 80 percent opening reduced bore equal to 60 percent opening
Water regulation require that cold water supply pipe from the cwsc to tap outlets and the hot water storage vessel be isolated, with what?
I found it out its a Full bore gate valve
Does API 6D specifically indicate full bore opening?
API 6D does not specifically mandate a full bore opening for all valves; however, it does specify that ball and gate valves should provide a full bore option to facilitate pipeline cleaning and maintenance. The standard emphasizes the importance of flow characteristics and pressure drop, which are often best achieved with full bore designs. Ultimately, the choice of valve type and design may depend on the application and system requirements.
What are the basic components of a gate valve?
the gate and the valve.
Is the gate valve leaking at the stem?
Yes, the gate valve is leaking at the stem.
What does the gate valve's advantages?
The gate valve has NO advantages that I can easily think of. They are slow and clumsy to operate, they are prone to corrosion and they have a bad habit of breaking the shaft. If I had my way, I would replace every gate valve with a ball valve which is easier to use, easier to see if open or shut and far more reliable.
What type of valve for incoming water service gate or ball valve?
Ball valve is usually preferable. full flow with no restriction and a lot easier and faster to turn off when needed.
What is the function of gate valve?
A gate valve is positive shut off and used for on of off . A globe valve is for throttling
What is the difference between a knife gate valve a gate valve?
A Knife Gate Valve is used to slice through sludge /sewerage and a gate is used fro normal positive shut off If you want to find the photo of Knife Gate Valve,you can enter to the link:http://www.kolinkcn.com/
What is the difference of gate valve to gate valve?
a gate valve is a valve you turn the handle round and round until it shuts off a ball valve is a valve with a lever that you turn 1/4 turn and its off hope this helps plumber paul
What is the difference between gate valve and globe valve?
The external housing (shell) of gate and globe valves are similar, but the globe valve is designed to serve as a regulating valve, meaning that it can adjust the flow by the percentage of the opening. However, the gate valve is not designed to regulate flow, but to stop the flow. A gate valve should always be either fully open or fully closed. The main difference is in the form of the inner elements and the form of the flow inside the valves. In addition, the gate valve may have a rising or non rising stem while the globe valve is typically a rising stem design. The direction of flow through a gate valve is not important. However a globe valve has a flow direction indicated on the outer shell (body) which indicates the direction of flow from beneath the seat. In a gate valve, the closure element is a plate or disk which travels parallel to the plane of the seat. The gate in a dam is a well known example. In a globe valve, the closure element is usually called a "poppet", and it travels perpendicular to the plane of the seat. There are specific advantages and disadvantages to each type depending on the application. The application for a globe valve is regulating flow. It is not well suited for full stop isolation. The gate valve is an isolation valve and not designed to regulate flow.
