The North American steel-making industry, with its historic record of quality control, is no longer the world’s top producer.
Former senior lab technologist and foreman
For decades, valve manufacturers have provided the maximum recommended working pressures and temperatures for their products, based on the materials used in the pressure-containing parts.
One of the advantages of having VMA’s Valve Forum and Valve Basics program as a virtual event is that attendees have access to the materials and information up to a month after the event is held.
EDITOR’S NOTE: Materials used in the manufacture of valves and how they perform in different applications is a topic of huge interest to everyone who works with valves.
Q: I need to qualify a welding procedure specification per the ASME Boiler and Pressure Vessel Code.
A relatively new class of engineered materials known as metal-organic frameworks (MOFs) may provide an effective alternative for capturing carbon dioxide (CO2) from fossil fuel combustion emissions, which makes it a significant new option in emissions reductions.
The valve manufacturing industry in North America is one of the industries that have embraced this new way of thinking and is leading the way with the integration of environmental, social, and governance (ESG) initiatives. These initiatives range from valves designed to mitigate climate change to community involvement activities.
Non-metallic materials are commonly used for valve components, and the selection of non-metallic materials for valve design and for application-specific conditions is critical to ensuring product reliability.
3D 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.
All of these valves need to be built to precise fits and finishes and to stringent performance requirements because “On a spacecraft, everything has got to work. If it breaks, you’re done,” he said.
Q: 3D printing and additive manufacturing have become buzz words in various industries, but what do they mean in the context of valves, and what materials are involved?
Question: What is the difference between plastic and elastomer?
Valve internals, such as seats and closures, are often at risk of erosion, abrasion, corrosion, galling and damage from cavitation.
Conval recently announced that its popular Camseal© metal-seated, forged ball valves feature a new Stem Position Indicator Disc for easy, precise on-site identification and inspection of the open-close status of the valve.
Around the nation, companies and businesses have found ways to help with the challenges of the COVID-19 pandemic.
The designers of modern thermal power plants continue to work hard to improve plant efficiency by increasing the heat rate as a function of main-steam pressure and temperature.
While metal AM provides a host of positive advantages, it’s important to understand the realities of as-printed surface roughness.
With the introduction of new materials and the evolution of valve design over the years, the days when fluid handling operators were limited by the number of valve types available to control the process are long gone.
Like the superhero that can leap tall buildings, the valve industry is made of steel.
Gaskets are near the bottom of the food chain of valve components; trim, body materials and packing seem to get a lot more press.
Metal Additive Manufacturing (AM) is a fascinating technology that has gained acceptance over the past several years.
Hydrofluoric acid: just the name itself strikes fear in some people, even among those who work around it every day.
Since the 1990s, two types of epoxy coatings have been commonly specified and used for iron valves in the waterworks industry: fusion-bonded epoxy and liquid epoxy.
Q: I have customers that ask for their stainless-steel valves to be pickled and I have others who ask for them to be passivated.
Q: What are the pros and cons of using a thermal spray coating like HVOF?
Magnetic Particle Examination (MT) is a popular, relatively low-cost method to perform nondestructive examination on ferromagnetic materials.
Q: How do the requirements in this International Organization for Standards (ISO) document differ from those in the previous version?