Neway signed a strategic cooperation agreement with Wanhua-Borsod (Hungary)

The manual valves are control component in the pipeline fluid delivery system. They are used to change the passage section and the flow direction of the medium and have the functions of diversion, cutoff, regulation, throttling, check, diversion, or overflow relief.   Manual valves are divided into four groups according to the way the closure member moves onto the seat. Each valve group consists of a number of distinct types of valves that, in turn, are made in numerous variations. • Stopper type closure—globe, needle • Vertical slide—gate • Rotary type—ball, plug, butterfly • Flexible body—diaphragm   The way the closure member moves onto the seat gives a particular group or type of valve a typical flow-control characteristic. This flow control characteristic has been used to establish a preliminary chart for the selection ...

Valve selection is based on function, material suitability, design pressure/temperature extremities, plant life, end connections, operation, weight, availability, maintenance, and cost. If the valve does not meet the design criteria, then even if it is free, it is still too expensive, because of the costs to replace it when it fails. Just like life, valve selection is a series of compromises.   Valves are the components in a fluid flow or pressure system that regulate either the flow or the pressure of the fluid. This duty may involve stopping and starting flow, controlling the flow rate, diverting flow, preventing backflow, controlling pressure, or relieving pressure.   These duties are performed by adjusting the position of the closure member in the valve. This may be done either manually or automatically. The manual operation also includes the operation of the valve ...

OMB Valves announces new master distributor agreement