The 100 Year Project | New York | Larner-Johnson® Flow Control Valves | Plunger Or Needle Type Valve

60% of the water supply to New York is regulated through Blackhall's Larner-Johnson® Flow Control Valves also known as plunger or needle valves.

Learn More - http://blackhall.co.uk/larner-johnson-valves

Blackhall's Dam and Reservoir Valves - http://www.blackhall.co.uk/dam-reservoir-control-valves.html

Видео The 100 Year Project | New York | Larner-Johnson® Flow Control Valves | Plunger Or Needle Type Valve канала Blackhall Engineering Limited