280 Series Pipe Plug - High Flow to NO FLOW |
Control
flow in Pipe or Manhole pneumatically from the surface! The
interior bladder action, similar to a pinch valve, is
illustrated below. This plug can be attached to a pole and
placed down a manhole into the line, inflating then inflating to
reduce or stop flow as desired! Applications for new
construction, Re-hab in manholes, Re-lining pipes and TV
inspection. Can be used with our 250 Series Diverters and
255 Series flexible bypass hose. Not for use in air testing
applications. MUST use #275 Series
Inflation Hose and Rope for
warranty. Seals to 98% of the Flow. |