The 100 Year Project | New York | Larner-Johnson® Flow Control Valves | Plunger Or Needle Type Valve
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- čas přidán 20. 10. 2016
- 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 - blackhall.co.uk/larner-johnson...
Blackhall's Dam and Reservoir Valves - www.blackhall.co.uk/dam-reserv...
It would be great if you publish how the valve actually works. Thanks a lot.
Are these for jets
Nevermind. It's been proven simple designs using flat cylindrical plates, w a fraction of inch gap at full open, produces non destructive laminar flow. At thousands of gallons a minute with surface areas of several inches.