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Home » Authors » Amalia Deligiannis
Amalia Deligiannis

Amalia Deligiannis

Amalia Deligiannis is the editor of Plumbing Engineer.

Articles

ARTICLES

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Feature

Q&A with Ed Moran, President of Omega Flex, Inc.

As Omega Flex, Inc. celebrates its 50th anniversary this year, Moran reflects on the flexible metal hose and piping products, manufacturer’s values, culture and mission.
July 1, 2025
Amalia Deligiannis

Omega Flex marks its 50th anniversary with a legacy built on innovation, safety, and U.S.-manufactured flexible piping systems. Under President Ed Moran’s leadership, the company continues to expand globally, enhance core products like CounterStrike and DoubleTrac, and invest in new technologies while maintaining a strong focus on training, customer support, and industry education.


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Feature

2025 AHR Expo Preview

The annual HVACR event heads to sunny Orlando to learn about new industry products and trends.
January 6, 2025
Amalia Deligiannis

The heating, ventilation, air conditioning and refrigeration industries descend on Orlando in February to view innovative products from the more than 1,800 exhibitors.


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Feature

2024 Plumbing Engineer of the Year: Melanie Willhite, FPE, CPD, ASSE 6060

Plumbing Engineer celebrates the journey of this year’s engineer of the year.
December 2, 2024
Amalia Deligiannis

Melanie Willhite knew at an early age that she was destined to do something associated with building or creating since she grew up in a family of engineers — her father, uncles and two brothers were also in the profession.


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Feature

Q&A with David Brakenwagen, CEO at Leonard Valve Co.

The water temperature control manufacturer operates with ‘integrity and purpose to deliver the highest level of service and product solutions’ to all its industry partners.
October 2, 2024
Amalia Deligiannis

Premium thermostatic temperature controls are what Leonard Valve Co. was founded on, and the company’s employees are renowned for their knowledge and dedication to providing excellent customer support. Plumbing Engineer Editor Amalia Deligiannis discussed these topics and future initiatives during an exclusive interview with CEO David Brakenwagen.


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Feature

Kusel Equipment Co.: Celebrating 175 Years

From its humble beginnings as a hardware store, to the manufacture of cheese-making equipment and its expansion into the floor drain sector, this Wisconsin-based manufacturer has certainly created a niche for itself.
July 1, 2024
Amalia Deligiannis

From its humble beginnings as a hardware store, to the manufacture of cheese-making equipment and its expansion into the floor drain sector, this Wisconsin-based manufacturer has certainly created a niche for itself.


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Feature

Plumbing Design of the Year: Prefabrication and Modular Design/Build

M Health Fairview St. John’s Hospital — Designed by HGA
June 3, 2024
Amalia Deligiannis
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Feature

2024 AHR Expo Preview

The annual HVACR showcase heads to the Windy City.
January 8, 2024
Amalia Deligiannis
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Feature

2023 Plumbing Engineer of the Year: Robb A. Risani

Leadership and mentorship are key aspects of this year’s Engineer of the Year. Congratulations to Robb Risani, PE, CPD, LEED AP, ASSE 6060, associate principal at Arup in New York City.
December 4, 2023
Amalia Deligiannis

Robb A. Risani likes to lead by example, so if he says he’s going to do something, he does it, which is why people can depend and rely on him to get the job done.


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Feature

On Phil French

The longtime supporter of Plumbing Engineer reflects on his advocacy of the plumbing engineering profession, his career, ASPE involvement and the power of the printed word.
October 2, 2023
Amalia Deligiannis

 The longtime supporter of Plumbing Engineer reflects on his advocacy of the plumbing engineering profession, ASPE and the power of the printed word.


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Feature

Thank You, Ron George!

We express our warm appreciation for a man who has influenced the plumbing engineering community throughout his career.
October 2, 2023
Amalia Deligiannis

Plumbing Engineer and PHCPPros celebrate the nearly three decades that the Code Classroom columnist has shared his plumbing and piping expertise. 


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