| 摘要 |
<p>Apparatus (100) comprising a rigid frame (108) which is inserted down a hole excavated round a water pipe (101) to mount on the pipe, isolate a pipe section between locations (103 and 104) and freeze the pipe by coolant passing through mounting and isolating means (102) and then severing the pipe using a disc cutter (105) at each location. A water meter is then mounted in the hole using universal fittings.</p> |
