Different types of valves and their uses pdf

Butterfly valve bodies are offered in many different configurations. Half coupling is used for small bore branching from a vessel or large pipe. Till now we have discussed about classification of valves. Different types of valves and their applications smlease. They are designed specifically to control the opening and closing of liquid flow. Dynamic pumps are classified into different types but some of them are discussed below like centrifugal, vertical centrifugal, horizontal centrifugal, submersible, and fire hydrant systems. Types of check valves and their recommended applications.

From the outside, most types of valves probably look the same, but the blocking mechanism can be quite different. These valves are used in different markets and applications as they are very simple to design and contains versatile material options. Different types of valves and their applications smlease design. Piston valve, for regulating fluids that carry solids in suspension. Sep 20, 2017 learn about the different types of valves used in the oil and gas industry and their differences. There are many different types of industrial valves that perform countless jobs from isolating to regulating flow in a variety of different industries, from ball and globe valves used in the power industry to butterfly valves in pharmaceutical processing to gate valves in oil and gas production. The following types of valves are used in a variety of applications, these descriptions may provide a basic guideline in the selection of valves. Chapter 5 is a comprehensive guide to selecting the best control valve for an application. Globe valves a globe valve is a linear motion valve used to stop, start, and regulate fluid flow. Different types of valves used in the oil and gas industry and for piping.

Nov 04, 20 in our discussion of the world of maritime supplies, a detailed listing of valves is a necessary procedure. In this article, we will read the definition, classification of the valve, and their functions. For example, in a twoway directional valve, the valve is either open airflow is enabled or closed airflow is prevented. Solenoid valve, an electrically actuated valve for hydraulic or pneumatic fluid control. Reducing coupling is used to connect two different. Types of manual valves tlv a steam specialist company. Butterfly valve butterfly valve and globe valve butterfly valve and ball valve butterfly valve and gate valve check valve gate valve globe valve ball valve valve shaped like a butterfly.

Control valves operated through pneumatic actuators can be either i air to open. The file format created by adobe systems in 1993 is used for representing twodimensional documents in a manner independent of the application software, hardware, and operating system. They have advantage of low initial and maintenance cost and low pressure drop. Plug valve, slim valve for onoff control but with some pressure drop. They are designed such that if the air supply fails, the control valve will be either fully open, or fully closed, depending upon the safety requirement of the process. The types of valves most commonly occuring in hvac control are seat valves. Different types of valves are used to meet various applications like onoff, throttling, quick open close, flow diversions etcthese valves find their applications in. Gate valves are often seen in domestic settings as well as in commercial centers and are made of different material such as cast iron, stainless steel, forged steel, etc. These were the different types of industrial valves in india and around the globe and their various use cases. A comparison of the properties of different types of spheroidal graphite cast iron for valves. Pinch valvea pinch valve is the simplest valve design.

They are essential components of a piping system that conveys liquids, gases, and vapors, etc. What are the different types of industrial valves and their. When sizing a valve, it is important to choose the correct cv chart. Quarterturn 2way ball valves are by far the most common type of process control valve. Another type of plug valve is the rising plug valve.

Because of their excellent operating characteristics, ball valves are used for the broadest spectrum of isolation applications and are available in a wide range of sizes and materials. The information provided here is meant to be only a general overview of the chief types used. Spool valve, for hydraulic control, similar to the choke valve. Many different types of manual valves are used in industrial applications worldwide. Some valves are capable of throttling flow, other valve types. Different types of control valves instrumentation tools. Check valves are one of the most important valves for any system, whether for industrial equipment or a household item.

Furthermore, each of these valves comes in many sizes, con. Gate valves are among the most commonly used valves in plumbing applications. For example, the water tap is a type of valve that is used to control the flow of water. They are utilized wherever including sewage preparing. Different types of valves with pdf file engineering.

Examples of the common types are the globe valve, gate valve, ball valve, plug valve, butterfly valve, diaphragm valve, check valve, pinch valve, and safety valve. They consist of two primary components, the housing and the stem. Valves are characterized as gadgets to control or manage the beginning, end, course and furthermore the weight. The doe fundamentals handbooks represent the needs of various doe. Identify different types of valves for the following functions.

Valves, types and operations valve hydraulics scribd. To update their reactorspecific content, doe category a reactor training managers also. Characteristics of valve by type common metal types used in valve manufacture. As the name suggests, the directional control valves are used to direct the. Valve types and features the three basic functions of valves are. Pinch valves are a type of linear motion control valve that are used for onoff and throttling low pressure flow of fluid applications. To select the correct valve to fulfill these functions properly, an outline of the different types of valves and their features is given below. Different types of valve in mechanical or piping engineering. Materials used for the valving element and sealing can limit their applications at. Saunders valves are ideal for restrictive or flow control duties ie valve. What are the different types of industrial valves and. Valves have numerous utilizations, including controlling water for the water system, modern uses for controlling procedures, private uses, for example, onoff and.

These types of pumps are most commonly used worldwide. Types of pipe fittings used in piping a complete guide. Types of valves in hindi 10 types basics valves used in. Advantages o recommended for throttling applications. The following article will cover the general mechanism and function of the most typical of these valves used in steam systems, such as ball valves, butterfly valves, globe valves, gate valves, and diaphragm valves according to jis, a valve is defined as. Api and asme gate, globe, check, ball, and butterfly designs manual or actuated, with forged and cast bodies. Types of valves in hindi 10 types basics valves used in piping system in process industries what is valve. These types of valves are generally not suited for very high temperature fluids and are mainly used on liquid systems. Gate valves cannot be used for throttling applications, i. The valves in which the closure member, as in gate, globe,diaphragm, pinch moves in a straight line to allow, stop, or throttle the flow.

Pinch valves consist of a flexible tube pinch tube. Dec 08, 2012 classification of valvesthe following are some of the commonly used valve classifications, based onmechanical motion. There are a large variety of valves and valve configurations to suit all services and conditions. Key specifications include the intended application, actuator type, output type, valve size, and materials of construction. Ball valves are commonly used in steam, water, oil, gas, air, corrosive fluids. Key specifications include the intended application, actuator type, output type, valve size, and materials of. Different types of valves used in piping mech4study. There are 3 different types of engine valves as follows. Gates gate valves are devices typically used in the wider sections of pipes to control the flow of heavy and solid liquids. Different cv charts are used for different types of valves.

Alternatively, the valve can use the other port as a secondary exhaust port. Dec 14, 2015 types of water valves vary with how they operate, and their components. Ordinary portland cement is the most widely used type of cement, which is suitable for all general concrete construction. Knifegate valves should never be used in a restrictive role ie half open as the base of the knifegate will wear rapidly and not seal properly when closed. Valves are actually fittings, however, are normally talked about as a different classification. On lowering or raising of gate there is more friction between gate and seat. Valves guide valves are mechanical devices that controls the flow. Depending on whether a valve is open or closed, it let pass the process fluid or halt the fluid. It is also known as mushroom valve because of its shape. Here we will look at the types of valves the navy uses and their designs. Nov 15, 2019 available to suit various sizes, pressures, temperatures, and operation types, along with different end connections, accessories, and body materials, these valves are ideal for ensuring your processes are never interrupted by a valve that cant stand up to harsh environments and regular use. The three primary body designs for globe valves are zbody, ybody, and angle.

Flexible tube is closed by the application of fluid pressure or mechanically. Types of valves and their applications and selection criteria. This cement is suitable for all kinds of concrete construction. Gate valve is a linear motion type valve which can be used to allow or to completely stop the fluid flow. Note that valve stroke means the amount of flow through a pipe, and valve travel means the amount in which the valve is turned to achieve the valve stroke. This is the most widely used valve in an automobile engine. Valves, types and operations free download as pdf file. Different types of valve in mechanical or piping engineering notes. Here i have mentioned wrenches subgroups to give you a better idea of the types of wrenches. The plugs in plug valves have one or more hollow passageways going sideways through the plug, so that. Various types of valves are used in the piping system to control the flow.

Examples of the common types are the globe valve, gate valve, ball valve, plug valve, butterfly valve, diaphragm valve, check valve. Different types of valves used in piping a complete. A closer look at 10 different types of valves world wide. Valve categorization depends on several considerations. For this article, valves are categorized according to the functions. Valves are quite diverse and may be classified into a number of types. Water valves comes in a variety of designs, with some specialized functions as well. There are various types of valve for different operatio. Types of industrial valves commercial filtration supply.

The principle is simply a knife or gate which is dropped in front of the flow. There are applications where it is not possible or desirable, to actuate the valve. Identify the various types of pipe joining fittings used in piping systems. Saunders valves are ideal for restrictive or flow control duties ie valve half closed to reduce flowrate. The mechanical device that controls the flow and pressure within a system or process is called valves and there are many types of valves such as gate valve, globe valve, ball valve, etc. Now we will discussed about some important types of it. As applications become more specific and complicated, valves have evolved into nine major types to suit different requirements.

Some valves are capable of throttling flow, other valve types can only stop flow, others work. These 9 types cover all industrial applications and services. Theyre critical for ensuring the proper operation and to prevent reverse flow and damage. A valve controls the distribution and pressure of various fluids. Chapter 6 addresses the selection and use of special control valves. In gate valves, the closing member is a metal gate. Ball valves are not used with abrasive and fibrous materials as it poses risk of damage to the seat and plug surface. They are 2way inlet and outlet, 2position open and closed valves that are used for shutoff or isolation of a system, or a loop or component within a system. Different types of water valves serve and protect us daily. Valves can be categorized into the following types, based on their operating mechanism.

It is the most commonly produced and used type of cement around the world, with annual global production of around 3. In an open valve, liquid streams toward a path from higher strain to bring down weight. In this article we will discuss various types of valves according to their construction and applications. Each type of valve has been designed to meet specific needs. Types of industrial valves and their uses lets pik.

However, types of check valves are designed for a specific application. It is used to control the timing and quantity of gas flow into an engine. Different types of valves with pdf file engineering discoveries. The complete guide to various types of valves in plumbing systems. Types of industrial valves applications, advantages, and. This type of pneumatic valve classification refers to the manner in which airflow direction is switched. Just to name a few, there are ball valves, diaphragm and bellows valves, as well as check valves, excess. Some of the valves let you throttle the fluid depending open % of the total opening. Cartridge valves there are two styles of cartridge valve, cover plate type twoway cartridge valve and threaded types two, three, fourway cartridge valves. Valves are one of the most important pieces when dealing with any fluid. Valves common types knifegate valves often just called gate valves, these are used as isolation valves. Introduction to the types of valves because of the diversity of the types of systems, fluids, and environments in which valves must operate, a vast array of valve types have been developed. It used to connect pipe to pipe or pipe to swage or nipple.

Ball valves because of their excellent operating characteristics, ball valves are used for the. There are various types of valve for different operation and those are. Butterfly valves use a similar principle to ball valves. There are a number of ways in which valves are used in plumbing, and selecting the right valve requires research on the particular application, andor the assistance of a manufacturer or professional. Different types of valves used in piping a complete guide of pipe. Bulk material valves play an important role, controlling material flow from bins, hoppers, chutes, silos, downspouts, and the like. The valve is widely used industrial machines and equipment. The material used is employed to ensure sturdiness, stability, and longevity to the valve as they get used to frequently halt or start the flow of liquids. What are hydraulic valves type of hydraulic valves. Introduces the functions of the basic parts common to most types of valves.

It is a linear motion valve thatis used to start, regulate, and stop fluid flow. Different types of valves used in piping a complete guide. Many different types of manual valves are used in industrial applications. Portable document format pdf is an open standard for document exchange. Chapter 4 describes digital valve controllers, analog positioners, boosters, and other control valve accessories. In this article, i have covered classifications of valves and functions of valves. Diaphragm valves commonly known as a saunders, after a popular brand name work on the principle of a rubber diaphragm or bladder opening and closing. Types of valves and their applications aerosol valves.