SKU: 91669098844

Aluminum 3-Inch Parshall Flume

Sale price$1172.25 Regular price$1302.50
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Description

Aluminum 3-Inch Parshall Flume3 inch Parshall Flume Description: The largest of the small Parshall flumes developed at the Colorado Agricultural Experiment Station, the 3 inch Parshall flume is commonly used to measure water flowing in creeks, furrows, irrigation canals, and channels. While the 3 inch Parshall flume is the smallest Parshall flume that should be used on sanitary flows, aluminum is not normally used on such flows. The 3 inch Parshall flume is commonly used to

3-inch Parshall Flume

Description:

The largest of the small Parshall flumes developed at the Colorado Agricultural Experiment Station, the 3-inch Parshall flume is commonly used to measure water flowing in creeks, furrows, irrigation canals, and channels.

While the 3-inch Parshall flume is the smallest Parshall flume that should be used on sanitary flows, aluminum is not normally used on such flows.

The 3-inch Parshall flume is commonly used to measure industrial discharges.

Material of Construction:  

  • Aluminum

Flow Rates:  

  • 0.0280 - 1.860 cfs (cubic feet / second)
  • 12.55 - 834.7 gpm (US gallons / minute)
  • 0.0181 - 1.202 mgd (US million gallons / day)

Flow Accuracy:

  • +/- 2-5% (ASTM D1941)

Flow Formula (H = feet):

  • Q (cfs) = 0.992 * H^1.55 
  • Q (gpm) = 445.2 * H^1.55
  • Q (mgd) = 0.6411 * H^1.55

Head:

  • 0.10 - 1.50-feet
  • 1.20 - 18.00-inches

Flow Dimensions:

  • Inlet width:  10 3/16-inches
  • Throat width:  3-inches
  • Outlet width:  7-inches
  • Length:  36-inches
  • Inlet height:  24-inches
  • Throat height:  26 1/4-inches
  • Outlet height:  25-inches 

Installation:

  • Level:
    • Front-to-back and side-to-side
  • Upstream requirement:  
    • Upstream channel straight at least 45-inches
  • Downstream requirement:  
    • Free-spilling discharge or downstream channel straight at least 15 to 60-inches

Shipment:

  • 4-6 weeks from order
  • Boxed
  • UPS Ground (domestic) / USPS (international)
  • FREE domestic shipping (select at checkout)!
  • International orders require additional shipping charges
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 91669098844

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Thomas Douglas
Natrona Heights, US
★★★★★ 4
Good
24 Camry, V6. A little bit different then OEM, just had to tweak the filter a tad, not a big deal but just letting you know. I would still get it again
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Reviewed in the United States on May 23, 2026
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Brian
Waukegan, US
★★★★★ 5
2023 RAV4 Hybrid
The product is great and is OEM+ in quality. This has to be the easiest cabin air filter I have ever changed. The replacement is super simple. Take off the glove box by pressing in (check for Youtube videos), remove and take the plastic tray out, remove the old filter, and install the new one into the plastic tray, making note to match the direction of the arrows. Reinstall and you are done. Replace once a year.
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Reviewed in the United States on August 9, 2024
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Dave K
Louisville, US
★★★★★ 5
The best you can get!
I use Purolator filters exclusively. Top quality filter from a company that specializes in filters.. I use them everywhere a filter is needed. Never a failure and top quality filter media.
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Reviewed in the United States on November 8, 2025
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a g
Charlottesville, US
★★★★★ 5
Clean air
Perfect fit for my 2023 Toyota highlander hybrid.
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Reviewed in the United States on July 30, 2025
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Ellie H.
West Palm Beach, US
★★★★★ 5
works as advertised
works as advertised
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Reviewed in the United States on April 28, 2025

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