A heart valve acts as a check valve, opening and closing to control blood flow. This cycle occurs about 40 million times per year or two billion in an average lifetime. Natural valves can develop several problems, either the valve opening becomes narrow or may not close completely. The first condition decreases the pumping efficiency [...]
Piping materials exhibit nearly linear expansion and contraction with temperature. The rate of thermal expansion and contraction is characterized by the coefficient of thermal expansion
BP has purchased nearly 30 green colored valves from Piper Valve Systems in Oklahoma City to control the flow of crude and keep it out of the water and onto ships on the surface.
The distribution of the valve market is mainly based around construction and chemical projects. The petrochemical industry, power sector, metallurgy secto
Selecting a check valve is similar to buying a new car. There are many types of cars and buyers-each with an array of needs and wants. Similarly, a wide range of check valves is available to meet the varying requirements of pumping systems.
When choosing a valve for an application, there is much to consider. Common concerns usually include cost, familiarity with a brand or type of valve and the method of operation.
A pipe and tube bender is a machine which bends tube, pipe and solid metals. Pipe bending machines are typically human powered, pneumatic powered
The valve gear of a steam engine is the mechanism that operates the inlet and exhaust valves to admit steam into the cylinder and allow exhaust steam to escape, respectively, at the correct points in the cycle.
A safety valve is a valve mechanism for the automatic release of a substance from a boiler, pressure vessel, or other system when the pressure or temperature exceeds preset limits.
A globe valve is a type of valve used for regulating flow in a pipeline, consisting of a movable disk-type element and a stationary ring seat in a generally spherical body.[1]
Globe valves are named for their spherical body shape with the two halves of the body being separated by an internal baffle. This has an [...]