Valves are the most common type of processing equipment. Valves are used for many purposes: Isolation Throttling Safety Release (discussed in a previous segment) Sampling Flush Bottom Within each basic…
Radiographic testing (radiography) is used to detect discontinuities such as porosity, cracks and inclusions in materials or welds. It is performed by placing film or a digital detector on one side of…
November saw the ISM Manufacturing Index (PMI) remain healthy, improving to a 61.1 level, slightly above the October reading of 60.8. New orders, production, and employment measures all expanded in November. The…
Similar to eddy current testing, this test method uses an internal probe to inspect heat exchangertubes. But unlike eddy current, ultrasonic inspection is the basis of the method. The IRIS…
The “recipes” found in chemical processing often require careful measuring of raw materials to ensure final product quality. There are several different methods that processors use to make sure exact…
A helium leak test can be used to find through-wall leaks in pressure equipment and welds. A vessel or exchanger is first filled with 5-10 psi of helium and sealed.…
