Some Common Valve Types and Their Uses
In industrial projects, there is hardly a more important component than the valve. Valves can come in many shapes and sizes and are used in most every industry in ever sector. A valve is a device that regulates the flow of liquids, gases and fluids through passages. Valves are commonly used in power generation, the petrochemical industry, paper and pulp, mining and minerals and refining.
Below are a few common types of valves and their uses –
Ball valve: A ball valve has a spherical disc within the component that controls the flow through the valve. In a ball valve, the inner disc, or ball, contains a hole. When the hole is lined up parallel with the valve ends, the ball valve is open and fluids can flow through the valve. When the hole is perpendicular to the valve ends, the ball valve is closed and the flow is stopped. Ball valves are common to many heavy-duty projects because they are extremely durable. Ball valves are also known for their excellent sealing capabilities. Ball valves boast near-perfect shut-off which makes them perfect for applications that require the complete shut-off of flow through valves. Another great feature of the ball valve is that it is easily repaired.
Trunion ball valve: A trunion ball valve controls the flow of liquids, gases and fluids through passageways and pipes. A trunion ball valve is differentiated from other ball valves by additional anchoring. In a trunion ball valve, the inner ball has additional anchoring at the top and bottom.
Check valve: A check valve allows flow in only one direction. Check valves have two openings; one opening to allow fluids to enter and one opening for fluids to exit. Check valves are common to most household items and in these cases, are generally small and relatively inexpensive. The human heart valve is actually a check valve.
Ball check valve: In a ball check valve, the apparatus that closes the valve is a ball. Some ball check valves are spring loaded to stop flow through the valve. In valves that are not spring loaded, reverse flow is required to make sure that the valve is closed. Ball check valves are of a conical shape in order to guide the ball to the seat of the valve and insure that it is sealed.
Gate valve: A gate valve is used as an On-Off valve rather than a flow control valve.
When your industrial projects require valve components it is important to understand what your project needs and how you are going to fulfill those needs. When choosing a valve manufacturer and supplier it is important to understand their manufacturing capabilities and knowledge of the industry. It is prudent to call the manufacturer and speak with their sales representatives. How the company treats you on the phone is generally a good indication of how you will be treated should you decide to do business with them. When talking the manufacturer make sure to ask as many questions as possible. Some basic questions to ask are the manufacturers lead time, whether or not they have any sort of guarantee, if they are recognized by any governing organizations, will they send you a quote of your order. A manufacturer of quality valve components will be happy to answer any questions you have. It is important to feel comfortable with whatever supplier or manufacturer you choose, because your projects are important.
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At ValvTechnologies they understand that your projects in refining, oil and gas and power generation are tough environments and you need a product that is going to perform and stand up to the elements. ValvTechnologies has an unprecedented "Zero-Leakage Guarantee" on all valves. ValvTechnologies defines zero leakage as no detectable leakage of gas or a liquid for a period of three minutes or greater.
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