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C&F TECHNOLOGIES cc
P.O.BOX 1052, FONTAINEBLEAU 2032
Phone: +27-11-792-4588 
Facsimile: +27-11-792-8494 
E-mail: sales@cftechflowmeters.co.za 
 
Macnaught Positive Displacement
Oval Gear
Flow Meters
Download or view technical documents for the listed products. Click on the product's image to view an enlargement. For help downloading the pdf files, please click on the "PDF help" icon. pdf help
Download the Latest Catalogue 
  Macnaught Catalog  
Full Catalog:  MSeries 2008.pdf (4,505 kB)  
4 Page Overview:  Mseries_4pg.pdf (444 kB)  
Frequently Asked Questions:  faq_M.pdf (18 kB)  
Instruction Manuals:  INSTRUCT.pdf (2,215 kB)  

Low Cost Fuel and Oil Meters
DM100 Fuel Meter 
DM100  
Flow: 3 - 80 l/min (> 5cps)
Materials:
Body: Aluminium
Rotors: Peek
Bushings: brass
Port Size: 1” BSP(F) or NPT(F)
Pressure Rating: 10 bar
Temperature: 80ºC
Accuracy: ±1%
Strainer: On Inlet

 DM100.pdf (198 kB)  


TM Turbine Fuel Meter 
TM  
Flow: 10 - 100 l/min (> 5cps)
For use with:
Diesel, Kerosene, Petrol
Port Size: 1” NPT(F)
Pressure Rating: 22 bar
Temperature: 54ºC
Accuracy: ±5%

 TM turbine.pdf (228 kB)  


IM50 Inline Meter 
IM50  
Flow: 1 - 30 l/min (> 5cps)
Materials:
Body: Aluminium
Rotors: Acetal
Seals: Nitrile
Port Size: ½” BSP(F) or NPT(F)
Pressure Rating: 103.5 bar
Temperature: -10 to +55ºC
Accuracy: ±0.5% of reading

 IM50 flyer.pdf (170 kB)  


M Series Oval Gear Flow Meters
M05 / M1 / M2 
M05 / M1 / M2  
Flow: 0.5 ~ 50 / 1 ~ 100 / 15 ~ 500 LPH (> 5cps)
Materials:
Body: Aluminium/PPS/316L Stainless Steel
Rotors: 316L Stainless Steel
Bushings: Sapphire/Zirconia/Bronze
Port Size: 1/4” BSP(F) or NPT(F)
Pressure Ratings: 500kpa - 75psi / 1,000kpa – 150psi / 5,500kpa – 800psi / 55,1600kpa – 8,000psi
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (M2 with HV rotors > 1,000cps)
Model Types: Pulse, Encoder(M2), Liquid Crystal Display

 M05Cat.mht (30 kB)  

 m1.pdf (107 kB)  

 m2.pdf (110 kB)  


M4 
M4  
Flow: 1 ~ 30 LPM (>5cps)
Materials:
Body: Aluminium / 316L Stainless Steel
Rotors: 316L Stainless Steel / PPS
Bushings: Carbon
Port Size: 1/2” BSP(F) or NPT(F)
Pressure Ratings: 5,500kpa – 800 psi (pulse version) 3,400kpa – 500psi (mechanical version)
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (with HV rotors > 1,000cps)
Model Types: Pulse, Encoder, Liquid Crystal Display, Mechanical (Digital)

 m4_pulse.pdf (111 kB)  

 m4_mech.pdf (99 kB)  


M6 
M7  
Flow: 8 ~ 80 LPM (>5cps)
Materials:
Body: Aluminium / Bronze
Rotors: 316 Stainless Steel / PPS
Bushings: Carbon / PPS
Port Size: ¾” BSP(F) or NPT(F)
Pressure Ratings: 5,500 kPa – 800psi
Temperature: 80ºC / 120ºC
Viscosity: 1,000cps Maximum
Model Types: Pulse, Liquid Crystal Display

 M6 Specification.pdf (219 kB)  


M7 
M7  
Flow: 3 ~ 80 LPM (>5cps)
Materials:
Body: PPS
Rotors: PPS
Bushings: PPS
Port Size: 1” BSP(F) or NPT(F)
Pressure Ratings: 1,000kpa – 150psi
Temperature: 80ºC
Viscosity: 1,000cps Maximum
Model Types: Pulse, Liquid Crystal Display

 m7.pdf (110 kB)  


M10 
M10  
Flow: 6 ~ 120 LPM (>5cps)
Materials:
Body: Aluminium / 316L Stainless Steel / Bronze
Rotors: 316L Stainless Steel / PPS
Bushings: Carbon / PPS
Port Size: 1” BSP(F), NPT(F), ANSI 150lb, DIN16, JIS10, Tri Clover
Pressure Ratings: 5,500kpa – 800psi (3,450kpa – 500psi mechanical version)
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (HV rotors > 1,000cps)
Model Types: Pulse, Encoder, Liquid Crystal Display, Mechanical (Digital or Analogue)

 m10_pulse.pdf (136 kB)  

 m10_mech.pdf (124 kB)  


M40 
M40  
Flow: 10 ~ 250 LPM (>5cps)
Materials:
Body: Aluminium / 316L Stainless Steel / Bronze
Rotors: 316L Stainless Steel / PPS
Bushings: Carbon / PPS
Port Size: 1 1/2” BSP(F), NPT(F), ANSI 150lb, DIN16, JIS10, Tri Clover
Pressure Ratings: 1,800kpa – 260psi
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (HV rotors > 1,000cps)
Model Types: Pulse, Encoder, Liquid Crystal Display, Mechanical (Digital or Analogue)

 m40_pulse.pdf (139 kB)  

 m40_mech.pdf (126 kB)  


M50 
M50  
Flow: 15 ~ 350 LPM (>5cps)
Materials:
Body: Aluminium / 316L Stainless Steel
Rotors: 316L Stainless Steel / PPS
Bushings: Carbon / PPS
Port Size: 2” BSP(F), NPT(F), ANSI 150lb, DIN16, JIS10, Tri Clover
Pressure Ratings: 1,800kpa – 260psi
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (HV rotors > 1,000cps)
Model Types: Pulse, Encoder, Liquid Crystal Display, Mechanical (Digital or Analogue)

 m50_pulse.pdf (140 kB)  

 m50_mech.pdf (128 kB)  


M80 
M80  
Flow: 33 ~ 733 LPM (>5cps)
Materials:
Body: Aluminium
Rotors: Aluminium
Bushings: Bronze
Port Size: 3” BSP(F), NPT(F), ANSI 150lb
Pressure Ratings: 1,200kpa – 175psi
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (HV rotors > 1,000cps)
Model Types: Pulse, Encoder, Liquid Crystal Display, Mechanical (Analogue)

 m80_pulse.pdf (124 kB)  

 m80_mech.pdf (110 kB)  


M100 
M100  
Flow: 120 ~ 1,200 LPM (>5cps)
Materials:
Body: Aluminium
Rotors: Aluminium
Bushings: Bronze
Port Size: 4” ANSI 150lb, JIS10K and DIN 16 flanges
Pressure Ratings: 1,200kpa – 175psi
Temperature: 80ºC or 120ºC
Viscosity: 1,000cps Maximum (HV rotors > 1,000cps)
Model Types: Pulse, Encoder, Liquid Crystal Display, Mechanical (Analogue)

 M100Cat.mht (70 kB)  


Electronic Displays
DR/DRA Display
DR Display  
  • Liquid Crystal Display
  • 7 x 12mm Digits
  • 7 x 8mm Digits
  • Total / Reset Total / Rate
  • 3 Year Battery Life
  • IP67 Protection
  • 4-20mA Output (DRA)
  • 18-30 VDC Power Supply (DRA)
ER/ERA Display 
ER Display  
  • Liquid Crystal Display
  • 7 x 17mm Digits
  • 11 x 8mm Digits
  • Total / Reset Total / Rate
  • 7 Year Battery Life
  • IP65 Protection
  • 4-20mA Output (ERA)
  • 18-30 VDC Power Supply (ERA)
Rate / Total LCD
MR100  
  • Liquid Crystal Display
  • Reset Batch Total / Reset Total / Non-reset Total / Rate
  • Battery Type: 2 x AAA Alkaline
  • Batch: 999999 (ltr, qts or gal etc)
  • Reset Totaliser: 999999 (ltr , qts or gal etc )
  • Non-Reset Totaliser: 999999 (ltr , qts or gal etc )
  • Input device: Reed switch only
  • Display units: BBL , Ton , Tonne, M^3, kg, gm, Lb , OZ , Gl, Qt, Pt, Lt, none
  • Rate units: sec, MIN, HR
  • Temperature Range: -5°C (23°F) to +55°C (131°F)
  • IP65 Protection
MR150 Analogue and Digital Output Module
MR150  
  • Reed Switch Input
  • 4-20mA Output
  • Loop Power Device
  • Output Pulse (Scaled)
  • Hi/Lo Alarm
  • Optional PC Calibration (MR120)
Mechanical Displays
Mechanical 
Mechanical Register - Digital  
  • Roller Wheel
  • Total 6 Digits
  • Reset Total 4 Digits
  • Reset – Push Button
Analogue mechanical 
Mechanical Register - Analogue  
  • Revolving Pointer 10L or 100L
  • 150mm Diameter Dial
  • Total 6 Digits
  • Reset Total 4 Digits
  • Pulser Option
Industrial Mechanical
MH450  
  • Suitable for M4 to M50
  • Reset Batch Total / Non-reset Total
  • Direct replacement for plastic digital mechanical display
  • Body: Cast Aluminium
  • Fasteners: 304 Stainless Steel
  • Temperature Range: -10°C (14°F) to +80°C (176°F)
  • IP65 Protection