28 Dec

How Ball Valves Work?

how-ball-valves-work

Valves play an important role in manufacturing various kinds of items we use or come across on a day-to-day basis.

From bicycles or automobiles, jet airplanes, or the oil you use for cooking—all are results of valves in some form or another. However, there are a range of valves. Each differs in not just its shape and dimensions, but also its function and application.

In this post, we look at how ball valves work, its different types, and some reasons why it should be used.

What Are Ball Valves?

These are valves that make use of a ball to navigate the movement of substances from one seating surface to another. The function of the ball is similar to a track ball found in old computer mice.

However, the ball in the valve consists of a port, which changes alignment in response to the position of the valve. For instance, when the ball valve is set to open, the port changes the direction according to the flow of the substance. When the valve is closed, however, the port adopts a perpendicular direction and acts as a seal to block the flow of substances.

Ball valves vary in the degree to which the port can change directions. In most cases, the ball valve will adopt a 90 degree rotation. However, in other cases, a 360 degree rotation is more beneficial.

What Are The Different Types Of Ball Valves?

There are also different types of ball valves. Some of these include:

  • Floating Ball Valve
  • V Port Ball Valve
  • Trunnion Mounted Ball Valve
  • Multiport Ball Valve
  • Full Port Ball Valve

The ports are made from a number of materials and metals including titanium, CPVC, chrome, brass, bronze, and stainless steel.

Why Are Ball Valves Useful?

Since valves have considerable application for the distribution of liquids and gases, ball valves offer significant convenience of requiring low maintenance and lack of leakages.

They are also useful for utilization across a wide range of industries, markets, and applications. Some of the most common areas where ball valves are used include manufacturing, oil and gas, and chemical storage industries. Before purchasing ball valves for industrial or residential use, it is recommended to evaluate the conditions so that ball valves do not suffer from corrosion.

Sourced by ekomeri.com

29 Nov

Installation Guidelines for a Check Valve

installation-guidelines-for-a-check-valve   Check valves are simple devices that allow fluid media (gas, liquid or solids such as sand or slurry) to flow only one way. Typical check valve installations are found in industrial plants, automobiles, plumbing and ventilation systems. Usually, check valve are relatively inexpensive, compared to more accurate control valves. For a given application, the valve body must be able to contain the media and pressure, and the gate action must have a durable service life. Installing check valves is a matter of determining the correct flow direction for the media and ensuring proper fittings for the inlet and outlet port.

Materials
Installing the correct check valve for a particular process means knowing the media the valve will control. Caustic or abrasive media (lime slurries, acids, cement mixes, etc.) require a check valve resistant to severe corrosion; stainless steel or ceramic check valves work well for such applications. A check valve installed to control hot water flow in a plumbing installation can be made from PVC plastic, brass or steel. As long as the valve can handle the heat and pressure of a standard water line, it will work well.

Installation
Installing a check valve is similar in procedure to installing any other valve with one important distinction: direction. The valve must be installed in the media’s flow direction–nothing can move against a closed check valve gate. Check valve manufacturers include on the valve body an arrow indicating proper flow direction.

Incoming and outgoing lines can be connected using clamps, swage fittings (fittings using a collar around the line, with the fitting and the valve stem hydraulically compressed together) or threaded fittings.

Access
Check valves work automatically to eliminate back flow in a process line. There’s no need for manual operation–the valve can be installed in relatively inaccessible locations. Although other valve installations may require clearance for actuators, access to a manual valve shut off or other features, check valves require little maintenance.

If installed as a diversion valve to relieve excess pressure or heat, the check valve gate can be adjusted to respond to specific pressure settings. For example, a check valve can prevent a steam boiler from building up too much pressure or a car’s radiator from rupturing when the coolant fails: the check valve will divert the high pressure media away from the process and avoid catastrophic failure. When pressure and heat amounts remain within operating limits, the check valve will stay closed.

 

Sourced by ekomeri.com

17 Oct

Instrumentation Valves And Fittings Market to Reach $5.63 billion with 5.5% CAGR

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  According to researcher, the Global Instrumentation Valves and Fittings market is expected to grow from $3.86
billion in 2015 to reach $5.63 billion by 2022 with a CAGR of 5.5%. Huge requirement for valves and fittings in in
dustrial automation in fumes, fluid, and gas control applications is the major factor driving the market growth. In
addition, growth in usage of instrumentation valves on account of increasing growth rate of hyperbaric oxygen
therapy devices is also favouring the market growth.

Ultraclean valves market is anticipated to grow at a higher CAGR during the forecast period. It is attributed to exte
nsive usage in pharmaceutical sector for ultra-hygienic applications. The oil & gas application is leading the glob
al market. It is led by increasing market demand for valves in the instrumentation valves & fittings market. North
America and Europe are projected to be the leading markets in terms of market size, during the forecast period. A
sia Pacific and Latin America are expected to witness high growth rate during the forecast period.
Some of the key players in global instrumentation valves and fittings market include Fujikin., Dwyer Instruments,
Fitok, Bray International Inc., Braeco., Hoke., Hex Valve, Ham-Let, Astectubelok, As-Schneider, Hy-Lok, Ssp Fitt
ing, Oliver Valves, Safelok, Swagelok, and Parker Hannifin.

Sourced by ekomeri.com

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