| 摘要 |
<p>The discharge pipe (5) is rigidly coupled to the pump (1) and comprises detachable rigid metal, e.g. aluminum, sections (6,7), and telescopic couplings (25, 35, 45) with seals (30, 39, 40) enabling the overall length to be adjusted without tools. The outlet section has a bend of greater than 90[deg] with a radius of 2-5 pipe diameters, and carries a valve (65) and a quick-action hose coupling (68).</p> |
