They should be easy to operate. In order to insure that valves perform up to these expectations, valve manufacturers generally specify or recommend that valves be installed per their instructions. For ...

In heart valve durability testing, it was previously impossible to achieve high-frequency testing and independent sample pressure control. With the Bose ® DuraPulse™ test instrument (Figure 1), ...

Feedwater control valves play a critical role in boiler operation. One important parameter of their design is the pressure drop at the rated condition as well as off-design conditions. However, ...

Identify components to test: casing head, tubing head, tree body, master/swab/wing valves, chokes, flanged connections, annulus outlets, VR plug threads. Define barriers: primary (tree + tubing hanger ...

The core of a refrigeration system is the compressor that is designed to pump cool refrigerant gas from the evaporator into the condenser. To accomplish this task, the compressor raises the ...