供水中断了。tribution system consists of pipelines that help get water and wastewater from point A to B. Purging air from the pipeline is necessary because trapped air significantly reduces pump and/or pipeline efficiency and life.

当计划外出时e’s next outdoor project, the preferred process of providing natural gas or propane to certain outdoor appliances must be taken into consideration.

PEX管，也叫led crosslinked polyethylene, is a popular piping material for residential hot and cold water. Plumbers choose this piping material because it’s corrosion resistant, lightweight, very bendable, easy to join, 价格也很有竞争力.

判断题:一个plusmbing part that looks high-quality on the outside also means a high-quality product on the inside. False.

为了维持 a set pressure in the structure or reduce the high incoming water pressure, a pressure reducing valve is often installed. While commonly known as a regulator, the pressure reducing valve provides a lower, more functional pressure for distribution to the consumer, thus protecting the water supply system in the process.

交联polyethylene) tubing was invented in 1968 by a German scientist named Thomas Engle and introduced to the U.S. around 1980.

A.Y. McDonald’s commitment to providing top quality water works, pump, plumbing, and natural gas parts means our company also places great importance on following, respecting, 促进标准, organizations, associations, and committees that make up the industries we serve.

PEX油管被发明ted in 1968 by a German scientist named Thomas Engle and introduced to the U.S. around 1980.

保持适当的water pressure is essential to any plumbing system within a home or building.

供水中断了。tribution system consists of pipelines that help get water and wastewater from point A to B.