| 摘要 |
This invention concerns a relief valve for use in a swimming pool cleaner hose and has a body (2) with an outlet (4) for connection into the hose. A tubular inlet (3) to the body carries a spider (6) supporting a clamping flange (7) which secures the outer periphery of a resilient annular diaphragm (10) to the end of the body. The diaphragm has its inner periphery in frictional engagement with the inlet. The inlet may be mounted for axial movement against a resilient bias to engage the diaphragm only while a predetermined minimum flow passes through the valve. <IMAGE> |
