Reasonable structure Short heating hours in the space Product Description:Material: low carbon steel tube Thickness: 1.5 mmTesting Pressure : 1.6MPaWorking Pressure: 1.0MPaWorking Medium: Water Standard Connection Diameter: G3/4 Other connection diameters can be customized.Features:Good radiation effect, bright color, simple and generous appearance, long service life, widely used in residences, ...