Difference Between Gate Valves and Butterfly Valves




Gate the valve is a type of valve which has a kind of cut-off valve, which can only be fully open or fully closed, and the flow of this valve cannot be adjusted. Going onto the Butterfly valve, which is also known as a flap valve. The opening and closing member are a disc-shaped a disc which is fixed on the valve stem and rotates around the stem valve shaft to open and close.

So, lets us now the main difference between Gate Valves and Butterfly Valves

What are Butterfly Valves?

Butterfly Valves are a common type of valve used in industries for several uses and are designed to regulate flow with limited control capability. This Valve has a simple piping system that has a rotating disc that Rotates across the Flow. Butterfly valves are light weighted and can be operated easily by rotating the handle at 90 degrees and can be operated both automatically and manually. It consists of a metal disc in the body of the valve which is positioned perpendicular to the flow in the closed position. These valves can be operated by handles, gears or actuators according to specific needs.

v  Advantages of Butterfly Valves
·         Butterfly Valves has a low-pressure drop and high-pressure recovery
·         It Can be used with chemical or corrosive media
·         This Valve has an open port
·         Butterfly Valves has a light-weight design
·         These Valves are available in Larger Size
·         Highly Efficient of Flow 
·         Butterfly valves are very accurate

v  Disadvantages of Butterfly Valves
·         Butterfly Valves is time-consuming as it requires a lot of time for its cleaning
·         Throttling of a butterfly valves are limited to low pressure
·         Disc movement is affected by flow Turbulence
·         Butterfly valves have no tight shut-offs

v  Functions and Use of a Butterfly Valves
Butterfly valves can be best used, only in low pressure and low-temperature flow systems. Due to its, lightweight and short face-to-face dimension, a butterfly valve can be used both for isolation and regulating the flow of material using their characteristic quarter-turn rotating action.
v  Mode of Operation of a Butterfly Valves
Butterfly Valves can be operated using manual levers or energized hydraulic or pneumatic actuators.
v  Applications of a Butterfly Valves
Butterfly Valves are widely used for regulating large volumes of liquid and gaseous material. Disc designs of Butterfly Valves are not advisable for hazardous, hydrocarbon or other inflammable substances.

A Complete Details About Butterfly Valves is shown in this Article.

What are the Gate Valves?

A gate valve is used to Shut-off the Liquid Flow in a pipeline. Gate Valve doesn’t require a lot of space, as it can be installed at a very little space along the pipe is essential. A Gate The valve consists of a Valve Body, Seat, a Disc, a wheel, a spindle, a gland for operating the Valve. In Simple Words, A Gate valve is used for controlling the flow, pressure, temperature and liquid levels by fully or partially opening or closing the valve in response to signals received from the controller.

v  ADVANTAGES OF USING GATE VALVES
·         Use of Gate Valve is simple and it is easy to Operate.
·         Gate Value is shorter in length as compared to Globe Valve.
·         Direction of the Flow is not disturbed by the Gate Valve.
·         Gate Valve Consumes Less Power
·         It is Efficient to use

v  DISADVANTAGES OF USING GATE VALVE
·         Maintenance and Manufacturing of Gate Valve is difficult when Damaged and is also Costly.
·         Opening and Closing of the valve is Time Consuming

v  Uses and Functions of Gate Valve
Gate Valves is often used to either fully open up the pipe structure to enable free flow or completely cut off the flow when fully closed. A Gate Valves functions well across different temperatures pressures and flow; however, is susceptible to seepage under very high pressures, unless lined with special seat inserts to ensure a snug seal.
v  Applications of Gate Valves
Gate valves are mostly used in large-scale systems that require an uninterrupted bi-directional flow of liquids and gases, or uni-directional discharges at specific time intervals.
v  Mode of Operation of a Gate Valves
Gate Valves are operated both manually and automatic, when using it manually it operates using round handles. Operations of a Gate Valves can be automated using electric actuators or pneumatic handles.
A Brief Guide to Gate Valves Types, Uses and Functions is shown in this Article








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