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ALH System-One: Control Valve

Product List
ALH-System-One Brochure (PDF)
ALH-System Video
ALH System-One Animation
ALH Plug Removal & PE Tee Insertion Video
The System-One Control Valve acts as a lightweight, stable platform for all other System-One components. Opening and closing the valve gate during the operation of the system ensures control of the gas at all times.

LH System One: Control Valve
  • Each additional system component secures onto the valve platform to allow a different maintenance operation.


  • The valve throat is large enough to insert a 2" gas free street tee or a mains connector fitting that provides a gas flow virtually equivalent to a 3" connection.


  • Low profile construction ensures accuracy in tapping and precise positioning for the most sophisticated maintenance operations.


  • The extremely wide throat and low profile supports No-Dig technology with live camera inspection, live internal joint repair, live water extraction, and live composite lining connection systems.


  • Fits all sizes of cast iron and steel mains up to 48".


  • New applications are continuously being added.

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