Knowledge of safety valves
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HTD-01CB: What is the meaning of each component? What is the diameter of 1D2 inches in terms of MM? This post was last edited by mash1984 on 2009-3-7 11:56.]
This seems to be a safety valve for aerospace use; find a sample of such safety valves – there will be instructions on it
HTD-01CB: HTD is the code for the category of safety valve; 01 denotes the pressure rating of the inlet flange, which is 150LB; C refers to the material of the valve body, namely WCB; B indicates the type of valve cover, which is a threaded type with a plug. It is a safety valve from the Beijing Aerospace Power Research Institute; you can consult them for details. 1D2 refers to the diameter of the inlet and outlet pipes as well as the specifications for the valve throat; 1 denotes 1 inch, DN25, while 2 denotes 2 inches, DN50. D represents the size of the safety valve throat, which is 71 mm2.