| 摘要 |
<p>Relief valve device, especially for a fluid circuit in particular using a liquid associated with an air heater to be interposed between the tubing or hosing for taking said fluid in to or out of the air heater, preferably upstream of the latter in the direction of circulation of the fluid. …<??>It is constructed as a unit assembly and so shaped as to contain two fluid passages (24, 30) connected by said valve (35, 36), the latter being coated, preferably by overmoulding, with a plastics material or an elastomer material (40) similar to that of the hosing or compatible therewith. …<IMAGE>… </p> |
