Valves
Innovations
Unintended fugitive emissions from pressurized plant components have long been a key concern for operators as well as regulators.
Design a pressure safety valve at the centrifugal pump discharge
In most process plants, it is unusual to install a pressure safety valve (PSV) to centrifugal pump and compressor discharge, but some PSVs are needed and are installed to protect the system against miscellaneous scenarios that could create overpressure in the system.
HP Innovations
The FM-approved FireChek thermal shutoff valve with resettable memory shape alloy can now be used to automatically shut down a pneumatic control system when a nearby fire occurs, or when the ambient temperature reaches 135°F, 150°F or 165°F.
Maintaining gas system accuracy and reliability through calibration
In the process industries, laser-based analytical techniques have emerged as a popular method of examining process line samples because of their high level of durability, fast response time and minimal maintenance requirements.
Managing the recovery from the Jaipur oil terminal fire
In October 2009, a devastating fire at the oil terminal in Jaipur, India, killed 11 people, injured many more and incurred a significant financial loss.
HP Innovations
EGC Critical Components has announced its dures brand of materials, a new family of proprietary thermoplastic polymer composites developed specifically for the manufacture of bushings, bearings and wear rings in pumps handling a wide range of liquids, including those that contain solid matter.
HP People
Wood Group Mustang has appointed Elaine Lisenbe to the position of chief financial officer (CFO), and Valencia Amenson to VP of human resources.
HP Innovations
New valve offers zero leakagePentair Valves and Controls has expanded its Vanessa triple offset valves (TOVs) product line with the launch of the Series 30-RS.
Wetted surface area calculations for fire-relief sizing in ASME pressure vessels
Although individual operating facilities take many steps to protect plants from fire, pressure vessels within a fire zone must be protected by a pressure safety valve (PSV). Proper calculation of the vessel’s wetted surface area is a crucial step in properly sizing a PSV.
Protect tanks with pilot-operated vent valves
A number of devices are available for protecting low-pressure American Petroleum Institute (API) tanks against overpressurization. A case study demonstrates the need for the designer to analyze the en..
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