| 摘要 |
<p>The invention relates to a pressure controller, meant for reducing and controlling the pressure of natural gases or of the liquefied bradenhead gases, from the distribution network to an industrial or individual consumer. According to the invention, the controller comprises a passage body (1), wherein there is mounted, by means of some parallelipipedal ribs (36), a controlling subassembly (A) provided with a controlling rod (B), which closes, with a taper part (i), an upper seat (21) and with a ventilating plug (8), respectively, said ventilating plug being provided with some transverse orifices (q) and obturated with a ventialting membrane (33), the controlling subassembly (A) being provided with a separating piece (9) and with a lower seat (10) between them there being placed a separating membrane (13), the seat (10), being provided with an orifice (e) delimitated by a six-angled wall wherein there may slide a portion (d) of a rod (14) provided with some transverse orifices (h) for the gas passing and with some longitudinal millings (v), wherein there penetrates the ribs (36), the controlling rod (B) comprising some lower and upper rods (14 and 17).</p> |
