Positive sealing of manhole access chambers have been manufactured to meet the current water authority specifications.


Due to the nature of manufacturing, the seal can be made to meet the customer requirements. All that is needed is the (a) pipe O.D. (b) pipe I.D. or (C) cored hole size.

The seal meets ASTM C-923 requirements. Marine grade stainless steel is used for all nuts and bolts.

The seal can be manufactured from a number of different polymers; natural, EPDM, Neoprene, Nitrile, SBR, Viton or Silicone.

  1. Able to fit valves to any type of pipe or structure.

2. Enables the connection of different types of pipe i.e. concrete to steel, PVC to steel etc.

3. Forms a positive seal or for pipes going into concrete manholes and other structures.