| 摘要 |
A gas pressure regulator (2, 3), for example a pressure regulator for natural gas, methane and the like, comprising a hollow body (4) containing a first inlet pipe (5) for the entry of the gas at high pressure and a second pipe (6) for the outlet of the gas at lower pressure by a flow in a direction F, a calibrated aperture (7) with its axis X substantially perpendicular to the direction of the flow F, said aperture (7) being positioned on a partition (9) which divides the body (4) into two parts internally, and a regulating throttle member (10, 11) which is movable in a direction substantially parallel to the direction X, said member (10, 11) being operated by means of an operating rod (12, 13) and being capable of regulating and/or closing said aperture (7); the regulating throttle member (10, 11) also comprises a plug (16, 17) having adapter means (29) which permit a certain amount of angular movement between the plug (16, 17) and the operating rod (12, 13), in such a way as to permit the bedding of the plug (16, 17) on to the seat (21, 39) of the aperture (7) during the stage of the closure of the aperture (7) by the regulating member.
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