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Nutating Disc Flow Meters

Nutating Disc meters are the most common and accurate type of positive displacement meters. These rugged and reliable meters are a cost-effective solution for metering industrial fluids, including condensate return, boiler feed, additive dispensing and other applications. 

Nutating Disc Flow Meters

Rugged Design. Enduring Precision.

Nutating disc flow meters are extremely rugged and reliable to assure enduring and long-term performance. 

  • Durable Construction. Built with durable materials that will meet your application requirements to provide an enduring and trouble-free flow measurement solution.
  • Impressively Accurate Performance. Recognized for its high accuracy rate of +1.5% and repeatability over the entire meter flow range.
  • Cost-Effective Meter Solution. Features a rugged, reliable build that assures minimal maintenance and reliable performance over the cost of its life.

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How It Works

  • Measuring Principle
  • Key Applications
Measuring Principle
Measuring Principle

Nutating disc meters are the most common and accurate type of positive displacement meters. The simple and reliable operating principle allows water to flow into the chamber, which causes the disc to nutate. Each disc nutation represents a fixed quantity of water, so the total flow is calculated by the total number of nutations.

Recordall Disc Series Meters Animations
Recordall Disc Series Meters Animations
Key Applications
Key Applications
  • Inventory and Process Control
  • Condensate Return
  • Boiler Feed
  • Additive Dispensing
  • Fuel Consumption

Product line

Recordall

Recordall®

Recordall® meters are ideally suited for any water application, performing with great accuracy over a wide flow range. The Recordall® product offering includes Disc Series Meters, Turbo Series Meters, Compound Series Meters, Fire Series Meters, and Fire Series Assemblies.

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Industrial Disc Series Meters
Size
15…50 mm
5/8...2 in.
Temperature Range
0...121 °C (see datasheet for additional detail)
32...250 °F (see datasheet for additional detail)
Flow Range
1.9…643.5 lpm (see datasheet for additional detail)
0.5...170 gpm (see datasheet for additional detail)
Pressure Range
Up to 10 bar
Up to 150 psi
Nutating disc meter RCDL, plastic housing, for clean and moderately dirty fluids
Type
M25 and M40
M25 and M40
Size
DN15...DN25

 

DN15...DN25

 

Temperature range
0…120 °C
0…248°F
Flow range
1…160 lpm
0.26…42 gpm
Nutating disc meter RCDL, bronze housing, for clean and moderately dirty fluids
Type
M25...M170
M25...M170
Size
DN15...DN50
DN15...DN50
Flow range (PPO)
1…643 lpm
0.26…169 gpm
Flow range (Vectra)
3...454 lpm
0.79…119 gpm
Nutating disc meter RCDL nickel coated, for clean and moderately dirty fluids
Size
M25 - M170

15 DN - 50 DN

R3/4" - R1-1/4"

1-1/2" - 2" NPT

M25 - M170

R3/4" - R1-1/4"

1-1/2" - 2" NPT

Temperature Range (PPO)
up to 50°C
up to 122°F
Temperature range (Vectra)
0 - 120°C
0 - 248°F
Flow range (PPO)
1 - 643 l/min
0,26 - 169,86 gal/min
Nutating disc meter RCDL, stainless steel housing, for clean and moderately dirty fluids
Type
M25 and M40

 

M25 and M40

 

Size
6096 mm and 7620 mm
DN20 and DN25
Flow range (PPO)
1…160 lpm
0.26...42 gpm
Flow range (Vectra)
3…100 lpm
0.79…26 gpm
Nutating disc meter RCDL AdBlue®
Size
M25 and M40
M25 and M40
Connection
R3/4" and R1"
R3/4" and R1"
Pressure range
16 bar
232 psi
Flow range
M25 M40
1 - 100 l/min 2 - 160 l/min
M25 M40
0,26  6,42 gpm 0,53 - 42,26 gpm
Temperature range
up to 50°C
up to 122°F

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