How to choose a hot water tracing union?
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When using 0.4 MPa hot water for heating, how should the heating pipe be routed around valves, elbows, tees, filters, flanges, etc.? What other common pressure-resistant union fittings are used for connecting hot water tracing pipes besides flanges? Looking for diagrams and information!
If strict temperature requirements apply, it can be designed as a jacketed vessel using jacket valves. The requirements are not strict; stainless steel pipes can be used in combination with copper pipes. Copper pipes are wrapped around the valves, and stainless steel pipes and copper pipes are connected using joints.