circulation pipe

circulation pipe

A pipe forming part of the primary or secondary circuit of a hot-water system.
References in periodicals archive ?
The experimental platform of deep-water drilling gas kick detection is mainly composed of a main circulation pipe, mud injection device, natural gas injection and pressure device, cycle pump, and detection device, as shown in Figure 10.
Buying a $10 fountain head and connecting it to the end of the water circulation pipe is the easiest way to accomplish this.