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Stop Log Valves

Stop logs regulate / block the upstream water level between a minimum level and a maximum level.

Stop logs are used for level control in open channels.

Logs are blocking gates inserted in grooves cast in a channel wall. Typical nominal height of a stop log is in specific increments, i.e., the log can be 6, 12, 18 inches in height, etc

Gate HDPE stop logs have rubber lip type seals on each side (end) to seal at the wall and across the bottom to seal at the sill or with the next log. The typical HDPE stop log is equipped with lifting lugs for use with a lifting beam. The blocking gates are a self-engaging log handling device for underwater retrieval and manual release of the log. 


  • Open channel service
  • Water level regulation
  • Equipment isolation
  • And more 


Read More:

Introduction To HDPE Penstock Gate Valves



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