| 摘要 |
<p>A pressure regulator which comprises body (1) communicating with inlet, outlet and relief passages (2,3,4) and accommodating membrane 5 which divides body (1) into two spaces (10, 12) relief valve (14) installed between inlet and relief passages (2,4) a regulating valve linked movably with rod (8) which is rigidly linked with membrane (5), and nonreturn valve (35) installed in outlet passage (3). The regulating valve is made in the form of nozzle (15) located in which with a clearance relative to its walls is rod (8), and resilient toroidal flap (16) installed with an interference on circular recess (17) made on the rod and communicating with the atmosphere through the passages of rod (8) in the position shown and sealing the passages in the rod in the open position. <IMAGE></p> |
