Fiberglass 12-Inch Parshall Flume

12-inch Parshall Flume

Description:

The 12-inch Parshall flume is useful for measuring both water rights / irrigation flows as well as flows at wastewater treatment plants (WWTPs).

Material of Construction:  

• Fiberglass (FRP)

Flow Rates:  

• 0.1202 - 16.13 cfs (cubic feet / second)
• 53.97 - 7,240 gpm (US gallons / minute)
• 0.0777 - 10.43 mgd (US million gallons / day)

Flow Accuracy:

• +/- 2-5% (ASTM D1941)

Flow Formula (H = feet):

• Q (cfs) = 4 * H^1.522 
• Q (gpm) = 1,795 * H^1.522
• Q (mgd) = 2.585 * H^1.522

•  Downloadable flow chart

Head:

• 0.10 - 2.50-feet
• 1.20 - 30.00-inches

Flow Dimensions:

• Inlet width:  33 1/4-inches
• Throat width:  12-inches
• Outlet width:  24-inches
• Length:  112 7/8-inches
• Inlet height:  36-inches
• Throat height:  45-inches
• Outlet height:  39-inches 

•  Downloadable dimensions drawing

Installation:

• Level:
• Front-to-back and side-to-side
• Upstream requirement:  
• Upstream channel straight at least 15-feet
• Downstream requirement:  
• Free-spilling discharge or downstream channel straight at least 5 to 20-feet

Shipment:

• 6-8 weeks from order
• Palleted
• Box truck
• Get FREE domestic shipping (select at checkout)!
• Appointment delivery included (get it delivered when it's convenient for YOU)!
• Make sure you can offload prior to ordering
• International orders require additional shipping