Valves & Pumps

Anatomy of a 3-Wire Zone Valve

Fri, 14 Mar 2025 07:00:00 -0400

Confused about zone valves? Here's an in-depth breakdown of how to work on them.

Troubleshooting Electronic Expansion Valves

Sun, 19 May 2024 07:00:00 -0400

The EEV is often used in modern refrigeration systems, but troubleshooting its common failures may be complicated.

The Importance of Pressure Relief Valves on CO₂ Refrigeration Systems

woerpelh@bnpmedia.com (Herb Woerpel) — Fri, 08 Mar 2024 00:00:00 -0500

The proper design, installation, and maintenance of these valves is vital for the safe operation of R-744 refrigeration systems, especially in industrial and commercial applications.

Hydraulic Institute Unveils 2 Training Programs

Wed, 01 Nov 2023 16:00:00 -0400

The Hydraulic Institute's new on-demand courses are designed to support the pump and fluid-handling industry with workforce development and onboarding resources.

Net-Zero Prefab Homes Feature Radiant Systems, High-Efficiency HVAC

bellolih@bnpmedia.com (Hannah Belloli-Oster) — Sun, 03 Sep 2023 07:00:00 -0400

Transcend Communities are net zero, all-electric, healthy, resilient, connected, solar-powered, and cost-effective homes located in mixed-use communities — and an in-floor radiant system that will heat and cool both air and water is pivotal to this.

The Beneficial Properties of Small Diameter Copper Tube for Heat Exchangers

Sat, 19 Aug 2023 07:00:00 -0400

Manufacturers are designing a new generation of heat exchangers with more advantages over present designs.

Five Ways Software Promotes Responsible, Efficient Hydronic System Design

Wed, 21 Jun 2023 11:00:00 -0400

While hydronic systems have long been recognized for their energy-saving properties in HVAC and plumbing applications, designing an efficient hydronic system and narrowing down the necessary system components can be challenging.

Watts Works Learning Center Opens in Fort Worth, Texas

Mon, 08 May 2023 00:00:00 -0400

The 250,000-square-foot facility — customized for broad training purposes, administration, and manufacturing — joins several other Watts Works Learning Centers across North America.

The Importance Of Controlling Head Pressure

Mon, 10 Apr 2023 11:00:00 -0400

Controlling the head pressure helps maintain pressure drop across the metering device and prevents the evaporator from freezing, in the case of air conditioning, and excessive freezing in refrigeration systems.

Five Reasons to Choose Hydronic HVAC Systems

Wed, 05 Apr 2023 11:00:00 -0400

With rising energy prices and new legislation escalating demand for more efficient buildings, modern hydronics presents a viable solution to reduce HVAC systems’ negative impact on the environment.

Uponor Names Jon Sillerud VP of Integrated Supply Chain

Thu, 30 Mar 2023 00:00:00 -0400

Uponor North America recently announced Jon Sillerud, vice president, operations, has agreed to accept the additional responsibilities of leading the supply chain function for the company, effective immediately.

Beckett Corp. Celebrates 75 Years

Wed, 29 Mar 2023 00:00:00 -0400

Founded in 1948, Beckett designs pumps and related products for a wide range of industries and market segments.

McElroy Receives ‘Sharp’ Award for Workplace Safety

Fri, 17 Mar 2023 00:00:00 -0400

SHARP is an on-site, OSHA consultation program that offers confidential occupational safety and health services to small- and medium-sized businesses in the U.S., free of charge.

Endress+Hauser Opens Regional Logistics Hub in Indianapolis

Fri, 10 Mar 2023 07:00:00 -0500

The 48,000-square-foot facility aims to streamline Endress+Hauser's global product distribution.

Determining the Cause of a Restricted Liquid Line

Tue, 28 Jun 2022 11:00:00 -0400

Liquid line restrictions cause the evaporator, compressor, and condenser to be starved of refrigerant, causing performance problems in refrigeration systems.

Installing Thermostatic Expansion Valves

Tue, 26 Apr 2022 11:00:00 -0400

As the old saying goes, an ounce of prevention is worth a pound of cure. This is especially true when a replacing a thermostatic expansion valve (TXV).

The Benefits of Using the Pinch-Off Tool

Wed, 02 Mar 2022 14:00:00 -0500

Many new self-contained fractional horsepower refrigeration systems will be shipped from the factory with no service access ports.

Sanhua Supplies Parts for Electronic Systems

mariataylor@achrnews.com (Maria Taylor) — Mon, 28 Feb 2022 00:00:00 -0500

Replacing manual parts with electronic was the theme at Sanhua’s booth at the AHR Expo.

How to Use a Micron Gauge

Thu, 27 Jan 2022 07:00:00 -0500

Many technicians believe that a vacuum pump actually pumps ‘liquid’ moisture out of a system. This is not true.

Why Changing Refrigerants May Mean Your Existing Pump Needs Replacing

Sun, 23 May 2021 11:00:00 -0400

When changing the refrigerant within your pumping application, it is worth discussing the application with a process specialist.

Make Sure the TXV Remote Bulb Is Properly Placed

Tue, 26 Jan 2021 11:00:00 -0500

This article will explore the remote bulb and its proper placement on a system’s suction line.

The Secret to Energy and Cost Savings: Pump System Evaluation

Thu, 08 Oct 2020 11:00:00 -0400

Determining the right pump to save energy in a given application can be broken down into three general steps.

Overcharge Symptoms Differ Due To Metering Devices

Wed, 23 Sep 2020 07:00:00 -0400

There are varying types of symptoms that can occur when a refrigeration system has an overcharge of refrigerant.

Webstone, a Nibco brand: Service Valve Kits

Mon, 01 Jun 2020 07:25:00 -0400

Designed for tankless water heaters with integrated PRV and/or drain ports, this valve kit isolates the unit for servicing.

Warren Controls: Control Valves

Mon, 06 Apr 2020 04:04:00 -0400

This upgraded version of its AmurAct is designed for 1.5 million cycles and can withstand ambient temperatures up to 140°F.

Parker Sporlan Designs Products to Make Life Easier for Contractors

Mon, 02 Mar 2020 04:00:00 -0500

Parker Sporlanls latest offerings include a rugged carrying case, off-the-shelf valves, and a simple-to-use board for refrigeration control.

Vertiflo Pump Co.: Centrifugal Pumps

Mon, 13 Jan 2020 04:07:00 -0500

With easy access to the impeller and case to remove debris, this product has an oversized, tapered bore and a self-flushing seal chamber.

Powers, a Watts brand: Digital Mixing Valve

Mon, 13 Jan 2020 04:01:00 -0500

Now available in new 1.5- and 2-inch sizes, this smart mixing valve connects through the building automation system (BAS).

Belimo Air Controls (USA) Inc.: Connected Zone Valve

Mon, 13 Jan 2020 03:59:00 -0500

The intelligent valve OptiPoint™ is a customized Belimo ZoneTight™ valve with enhanced MP-Bus communication.

How to Diagnose a Thermostatic Expansion Valve Failure

Mon, 06 Jan 2020 04:03:00 -0500

This article will hopefully save the lives of a few TXVs and the pocketbooks of some customers.