| 摘要 |
The device consists of a body (1) provided with means for connection to an installation, comprises a first channel (4) provided with a valve (5) returned onto a seat (6) by an elastic return member (7), the strength of whose effect can be adjusted by means of a control member (8), and a second channel (9) arranged as a bypass on the first channel (4) in order to short-circuit the valve (5) and equipped with a non-return valve (10), the through direction of the first channel (4) being opposite the through direction of the second channel (6); the control member (8) comprises a means (11) for indicating its adjustment position, forming an immediately noticeable visual indication with respect to the external surface of the body (1). Application to pneumatic equipment. <IMAGE> |
