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Posted by on in Valve 101

The main component of brass ball valves is brass and this is the reason the name is given to them. Brass is a copper and zinc alloy and has a bright golden red color because of which it is used to make decorative items. It is also very useful in application where low friction is required like gears, locks, doorknobs, bearings, valves and ammunition.

Among the various standards for brass ball valves are the standard number GB/T15185-1994, standard number JB/T8861-2004 and standard number NF/E29-354-2003.

The working of a brass ball valve is similar to a regular ball valve. It is a kind of quarter turn valve with a ball in the fluid flow passageway.

There is a hole in the valve which helps in opening and closing of the valve. When the ball is positioned in such a way that the hole of the valve is aligned with the passageway, the fluid simply flows through the hole which means that the valve is open. On the other hand when the hole is positioned in such a way that it is perpendicular to the passageway then the fluid stops flowing and this means that the valve is closed. These valves are excellent when it comes to functions like throttling control, shutoff, and fluid control.

Advantages of brass ball valves

  • Fluid resistance of this type of valve is very low in fact the full bore valve has practically no resistance at all
  • The brass ball valve has less weight and a simple structure which makes it very easy to operate and repair.
  • The seal and ball of the valve are close to each other which makes the valve very reliable and it does not erode easily with the working medium
  • It is very useful where regular application and rapid opening and closing is required
  • The mounting direction does not limit the flow direction of medium and it is very casual.

These are the reasons why brass ball valves are widely used in residential and light commercial applications. Typically the services attained from the brass ball valves include: multi purpose shut off valve which is widely used in domestic hot and cold water systems. It is also used in natural or bottled gas and compressed air systems on an industrial scale.

There are many companies that specialize in the manufacture and supply of brass ball valves and other types of valves. Of course the essential function of these valves of any kind is to control and regulate the flow of fluids. However, different types of valves are used in different situations with different fluids and also different applications.

Usually the contact information of the companies manufacturing and supplying these valves is mentioned on their websites. You can call them up and discuss your requirements with them. Their friendly staff usually is happy to provide you with the information that you require about the different types of valves and their usage. You can also conduct some research on the internet for gleaning this information. There are many articles and blogs that provide information about different types of valves and their best usage.

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Posted by on in Valve 101

b2ap3_thumbnail_3way-butterfly-valve-blue-actuator-valve9.pngThe assemblage of a butterfly valve is embodied a metal plate with a rod that goes through the circle. The bar is joined with an actuator or a manual lever which controls the circle turning it parallel or perpendicular to the stream. Contingent on the application, the circle might be made of steel, plastic, stainless steel or carbon steel. There are diverse choices of actuators for this valve: pneumatic, electric and electro-water driven, manual and a rigging sort.

There are different butterfly valves being used in every industry possible. The butterfly valve, otherwise known as quarter-turn valve, is a standout amongst the most famous and conservative valves. You may not understand it, however you experience butterfly valves once a day. These valves, made of cast iron, carbon steel, plastic or stainless steel, are frequently used in several applications where grouped sorts of liquids, gas, air, steam are continuously controlled by closed off or throttling. This valve is magnificent for close off applications and the circle can totally hinder the path for liquids.

Design of a 3-way butterfly valve

A 3-way butterfly valve comprises of a moderately level round plate with a pole through its measurement. The round plate makes an immaculate seal in the channel in which it is introduced by being flush with the funnel. The rod in the width of the round plate uses up the channel as a turning system that turns the rod and so pivots the roundabout valve plate. The pole, like the roundabout plate, must be flush with the dividers of the hold in which it is set, in order to wipe out the danger of holes. It is for the most part not able to be seen inside the valve, in light of the fact that it is typically catapulted between two different plates that make up the roundabout plate.
Ball Valve Element

A circular part in a three-way valve that has an opening straight through it is a ball valve element is a. The ball valve component turns on its hub on a ring valve situate within a three-way valve, either uncovering the opening or dismissing it from the valve opening (where the funnel, tubing or hose meets the valve). A handle is mounted on the outer surface top of the valve for opening, shutting and controlling the bearing water moves through the three entries in the valve. A full bore three-way valve lets loose component with the opening measured to the definite size of the funnel inside. The essentialness of full bore 3-way butterfly valve is persistent, even weight moving through the channel. Also, the seal is less inclined to holes.

Characteristically 3-way valves alone can't be fire-safe in light of the fact that their multiport outline does not permit them to stop. 3-way valves are accessible with flame safe gaskets and organ pressing. A flame tried framework might be attained by applying the 3-route on two ports. A L port or a T port 3-way could be connected.

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Posted by on in Valve 101

b2ap3_thumbnail_3-way-stainless-steel-ball-valve-side-handle.pngBall valves are predominantly used to control the stream of high weight fluids and gas lines. This is on the grounds that they don't result in any drop in weight or limit liquid development when completely opened. They are chiefly utilized when the supply pipe has an internal breadth of 6 inches or less.

A ball valve is a port valve that opens to give water access and cuts off to close water. It is named for the ball inside the valve that pivots. They are utilized within numerous zones because of their simplicity of repair and capacity to withstand weight and temperature. Contingent upon what they are made of, ball valves can hold up to ten thousand pounds for every square inch and up to 200 degrees Celsius. They extend in size from a quarter-inch opening to a foot wide or bigger.

Design of a Ball Valve

Valtorc’s 3-way ball valves are made up of an external shell, a ball with a gap in it and a handle. These are the fundamental segments. To take a gander at the valve essentially, the ball inside the shell fittings up the valve opening. A handle joined to the ball can turn the ball from outside the valve shell. The ball has a gap through the center that will permit water to pass. Right when the handle is turned to the empty position the opening in the ball is facing the same heading as the valve shell. To close it, the handle is moved and the ball turns with the opening standing up to the sides of the valve divider.

Types of Ball Valve

There are few types of ball valves. The full port valve has an opening in the ball that has the same measurements as the pipe that it is appended to. This keeps water from being limited as it streams. The diminished port valve makes an opening in the ball that is more diminutive than the funnel. This makes less water stream. A trunnion valve has a pin securing the ball so it doesn't stick. This is for high speed stream. There are three- and four-path valves, too. With these the stream is changed by the position of the ball. The opening in the bundle of the valve is ordinarily molded like a T or L. When it is a T it can permit stream in two bearings immediately or one bearing with the other side shut. When it is a L shape it permits stream in standout heading at once.

Efficiency

A Valtorc ball valve can provide for you the ideal seal. You won't expect any spillages when the valve is completely shut. The other stunning thing about the ball valve is the way that it turns paying little heed to the weight from the supply pipe. This is a valve which won't lessen the weight of the liquid once it is completely opened. Ball vales have an extremely straightforward structure. They are additionally more modest and lighter contrasted with numerous different sorts of valves. Ball valves give exceptionally adaptable delicate seals which make it simple for one to work them. Ball valves give the most modest level of liquid safety contrasted with all different sorts of valves.

Tagged in: 3-Way Ball Valves FAQ
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There are four general body styles of ball valves: single body, split body, top entry, and welded. There are four general types of ball valves: full port, standard port, reduced port, and v port.

A full port ball valve has an oversized ball so that the hole in the ball is the same size as the pipeline resulting in lower friction loss. Flow is unrestricted, but the valve is larger.

A standard port ball valve is usually less expensive, but has a smaller ball and a correspondingly smaller port. Flow through this valve is one pipe size smaller than the valve's pipe size resulting in slightly restricted flow.  In reduced port ball valves, flow through the valve is one pipe sizes smaller than the valve's pipe size resulting in restricted flow.

A v port ball valve has either a 'v' shaped ball or a 'v' shaped seat. This allows the orifice to be opened and closed in a more controlled manner with a closer to linear flow characteristic. When the valve is in the closed position and opening is commenced the small end of the 'v' is opened first allowing stable flow control during this stage. This type of design requires a generally more robust construction due to higher velocities of the fluids, which would quickly damage a standard valve.

A trunnion ball valve has a mechanical means of anchoring the ball at the top and the bottom, this design is usually applied on larger and higher pressure valves(say 4 inch and above 600 psi and above)

Manually operated ball valves can be closed quickly and thus there is a danger of water hammer. Some ball valves are equipped with an actuator that may be pneumatically or motor (electric) operated. These valves can be used either for on/off or flow control. A pneumatic flow control valve is also equipped with a positioner which transforms the control signal into actuator position and valve opening accordingly.

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