Valves - Articles - Page 3 | Plumbing & Mechanical

3d rendering of condenser unit or compressor on rooftop of industrial plant, factory.

Renewable Heating Design | John Siegenthaler

3-way diverter valves: Part 2

Real world valve applications.

May 30, 2024

In last month’s column, we discussed the design and actuation of 3-way diverter valves. This month, we’ll look at several applications for these valves.

Product Focus: Rinnai RCB Series Commercial Wall-hung Boiler

Product Focus | Boilers

Rinnai announces RCB series commercial wall-hung boiler

May 13, 2024

Rinnai's RCB SERIES Commercial Wall-Hung Boiler is a compact building heat source that delivers reliable, energy-saving performance.

Product Focus | Boilers

Nortiz announces residential NRCB combination boiler

May 9, 2024

The Noritz NRCB residential combination boiler allows simultaneous hot water and space heating.

Air source heat pumps installed outside of city house, green renewable energy concept of heat pump.

Renewable Heating Design | John Siegenthaler

3-way diverter valves: Part 1

Digging into motorized 3-way diverter valves and actuator options.

John Siegenthaler, P.E.

May 1, 2024

There are many scenarios in which flow at some location within a hydronic system has to be directed along one of two possible flow paths. When a single valve is used to create this routing, it’s called a diverter valve. In part 1, we're digging into motorized 3-way diverter valves and actuator options.

Hand puts thermostat of electric water heater (boiler) in economy mode.

Plumbing Talking Points | David Dexter

Identifying back-feed potentials within domestic hot water risers

Service/isolation valves are a necessity.

David Dexter

April 4, 2024

The author reflects on a recent trip to South America and Antarctica and discusses the topic of identifying back-feed potentials within domestic hot water risers, drawing from an article by Miles Ryan, PE, about typical issues found in high-rise residential buildings.

Innovative valve company benefits from innovative asset tracking app

Technology enables visibility for customers.

Barry Campbell

March 25, 2024

Trinova USA produces high-performance pinch valves and replacement sleeves, ideal for demanding environments with high abrasion. Made in the USA, these valves and sleeves are widely used in industrial settings, wastewater treatment, power generation, and other rugged applications.

State of the PVF industry roundtable

Industry stakeholders discuss trends and technology.

Nicole Krawcke

March 20, 2024

PM Engineer Chief Editor Nicole Krawcke had the chance to speak with several key industry stakeholders about trends and technological developments in the market, including: Greg Nahrgang, vice president, technical services and product development, Charlotte Pipe and Foundry; Adam Botts, product manager for Viega; and Steven Dolejsi, applications engineering manager, IPEX.

PME Top 20 Products of 2023 feature image of five wooden stars on the ladder upgrade rating of side-by-side stacked wooden blocks.

PM Engineer Top 20 Products of 2023

Check out 2023’s most popular products based on pageviews from PM Engineer’s website.

Nicole Krawcke

February 15, 2024

The 20 products highlighted here have earned the distinction of being PM Engineer’s Top Products of 2023 based on the number of pageviews on www.pmengineer.com. Congratulations to those products on this year’s list.

PM Top 20 Products of 2023 feature image of a star stamp with stamped stars on the table.

Plumbing & Mechanical Top 20 Products of 2023

Check out 2023’s most popular products based on pageviews from PM’s website.

Nicole Krawcke

February 14, 2024

The 20 products highlighted here have earned the distinction of being Plumbing & Mechanical’s Top Products of 2023 based on the number of pageviews on www.pmmag.com. Congratulations to those products on this year’s list.