02252020Tue
Last updateMon, 24 Feb 2020 11pm

Technical

Valve Performance Management

Comprehensive valve performance management provides monitoring and service for valves throughout a process or facility. In a webinar George Buckbee, head of performance solutions at Metso Flow Control USA Inc., described how this can work.

Buckbee showed that the total cost of ownership for a typical control valve includes much more than just the cost of the valve itself (see table).

total cost of ownership


Accelerating Manufacturing Operations with High-Strength Plastic 3D Printing

3D printing in a factory3D printing in a factory 3D printing encompasses a family of processes that involve building up a plastic or metal part in an incremental layer-by-layer fashion. Today a few of these processes are radically accelerating familiar manufacturing operations, but probably not in the ways that you might expect. Valve manufacturers, in particular, are leveraging 3D printing technologies to rapidly reduce the cost and improve the supply chain efficiency of their production tooling, fixtures and other manufacturing line components—while bringing new products to market faster. 3D printing as a whole includes a wide range of materials and technologies, but high-strength 3D printing of plastics is the specific subset key to the manufacturing revolution. High-strength 3D printing is not a single technology but an umbrella term for a combination of modern engineering materials and advanced 3D printing processes that satisfy the demanding needs of the plant floor.

Hydrogen’s Role in Reducing Industrial Carbon Emissions

“When considering what a global energy system on a 1.5°C or 2°C [2.7°F or 3.6°F] pathway will look like by 2050, hydrogen consistently plays a critical role as a low-carbon fuel,” according to a report from Rocky Mountain Institute authored by Thomas Koch Blank and Patrick Molloy. Here are some highlights from that report.

When considering the carbon emission savings for using hydrogen, a complete view must take into account, both the carbon “cost” of producing the hydrogen, as well as the reduction in carbon emissions made possible by using hydrogen instead of fossil fuel at the point of use.

Linear Actuators for Automating Gate Valves

Most professionals in the valve industry are already familiar with the use of linear actuators to operate globe valves. However, many may be unaware that linear actuators can also be used on gate valves with a rising stem. Gate valve operations have historically been automated with multi-turn electric actuators, but linear actuators may be the preferred choice with applications requiring faster stroke speed, higher thrust, more precise positioning or a specific failure safety position of the valve.

Advanced Pressure Control in a City Water System

Every water supply district experiences unnecessary losses from leakage and expenses for repairing line breaks. A program of advanced pressure control can help alleviate these losses and expense.

The Asheville water supply district is a medium-sized system with 1400 miles of pipe over 60,000 services, said Travis Mortier, supervisor of the valve/leak detection crew, City of Asheville in a webinar about how the city is exploring advanced pressure control.

The Asheville system consists of 30 major pressure zones with 20 child pressure zones within them. The system has the capacity for delivering over 40 million gallons per day, according to a presentation from www.ncsafewater.com.

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