Last updateWed, 21 Mar 2018 3pm



Five Key Criteria for Selecting Low-Temperature Valves

Specifying and consulting engineers, engineering houses, original equipment manufacturers (OEMs) and end users depend on valves to control the flow of compressed air or other fluids and on cylinders to control motion. But the cold truth is that low temperatures can cause problems for these fluid automation devices all along the line—from selection and delivery to operation and maintenance.

Critical Control Valve Considerations for the LNG Market

lng plant largeThe relatively recent rise in demand for liquefied natural gas, or LNG, has fueled a boom with regards to the construction of import and export terminals. Since the early 1990’s the number of LNG exporting/importing countries has increased from 16 to 43. Couple this with the fact that large natural gas deposits are rarely located next to the huge arenas that consume them and you have the perfect storm that is the current LNG market.

Conduit Hydropower: Recovering Energy One Control Valve at a Time

Conduit Hydro One Control Valve at a time SOARAll water distribution systems have one thing in common: It takes energy to move water from one location to another. The energy required to move the water can come from gravity or from pumps, both of which convert the water’s potential energy into kinetic energy. In a typical water distribution system, control valves are used at some point to manage this built-up energy, otherwise known as flow and pressure.

As water travels through a control valve, energy within the water is simply ‘burned off’ in the forms of noise, heat and vibration. Conduit hydropower installations aim to recover this lost energy by converting it into electricity while still regulating flow and pressure in a distribution system.

Improved Electric Actuator Reliability in Severe Service

High Vibration ModificationsAs you walk onto the switching valve deck of a coker, the first thing you notice is the heat. Cokers are used in the process of upgrading bitumen to crude oil—specifically to remove the heavier hydrocarbons from the process stream.

Non-Destructive Radiographic Inspection of Steel Castings

Non-Destructive Radiographic Inspection of Steel Castings 4Radiographic inspection technology has been used for industrial inspection for decades. While radiographic inspection of mission critical cast pumps and valves for nuclear power generation, offshore drilling and military applications has steadily increased since 1978, the growth rate started to change dramatically in 2010. Catastrophic failures at Fukushima and in the Gulf have caused many industries to revisit their exposure and recognize the impact and risk associated with product failure in the field.

To learn more about the actual process of ND radiographic inspection, VALVE Magazine spoke with Stan Truselo, quality assurance manager at Bradken’s Tacoma, WA facility.



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