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Technical Specifications
Normal Size

1/2"(15 mm) - 4" (100 mm)
Nominal Flow Range* @ 3cP

0,26 GPM(1 L/min) - 660 GPM(2500 L/min)
Accuracy

±1% of reading for M registers.

±1% of reading for M registers (±0.5% for V registers)
Repeatability

Typically ± 0.03% of reading
Ambient Temperature Range

5° F - 176° F (-15° C to - 80° C)
Max. Pressure (threaded)

580 psi (40 bar) - 145 psi (10 bar)
M Register

4 digit resettable & NEMA 4 (IP65)
V Register

n/a

5 digit resettable & NEMA 3S (IP54)
Recommended Filtration

100 mesh (150 μm) - 40 mesh (400 μm)
Face-to-Face Dimension A - Threaded

4.33" (110 mm) - 12.6" (320 mm)
Face-to-Face Dimension A - Flanged

7.44"(189mm) - 16.3(414 mm)
Meter Base-to-Register Top - Dimension B

7.01"(178 mm) - 16.4" (416 mm)
Meter Cap Width

4.33" (110 mm) - 13.1" (332 mm)
Note

*Maximum flow reduces as viscosity increases. Max recommended Pressure drop is 14.5 psi (1 bar).
Model/ Type
Product Identifier
  • OM015: 1/2" (15mm) Oval Gear Meter, 1-40 L/min, 0.26-10.6 USG/min
  • OM025: 1" (25mm) Oval Gear Meter, 10-150 L/min, 2.6-40 USG/min
  • OM040: 1.5" (40mm) Oval Gear Meter, 15-250 L/min, 4-66 USG/min
  • OM050: 2" (50mm) Oval Gear Meter, 30-450 L/min, 8-120 USG/min
  • OM080: 3" (80mm) Oval Gear Meter, 35-750 L/min, 10-200 USG/min
  • OM080: 3" (80mm) Oval Gear Meter, 50-1000 L/min, 13-260 USG/min
  • OM100: 4" (100mm) Oval Gear Meter, 75-1500 L/min, 20-400 USG/min
  • OM100: 4" (100mm) Oval Gear Meter, 150-2500 L/min, 40-660 USG/min
Body Material
  • A: Aluminium
  • E: Extended flow Aluminium
  • S: 316L Stainless Steel
Rotor/ Bearing Material
  • 00: PPS
  • 10: High Viscosity PPS (not suitable for Temp code 3)
  • 44: Aluminium/Hardened Steel Roller Bearing (100E only)
  • 51: Stainless Steel / Carbon Ceramic Bearing
  • 71: High Viscosity Stainless Steel / Carbon Ceramic Bearing
Seal Material
  • 1: Viton (-15° C min. [5° F])
  • 3: Teflon Encapsulated Viton / Kalrez (-15° C min. [5° F])
  • 4: Nitrile (not suited Temp Code 3) (-40° C min. [-40° F])
Temperature Rating
  • 8: 80° C max. [176° F]
Process Connection
  • 0: No fittings (Flomec 4 bolt flange)
  • 1: BSPP (G) female threaded (ISO 228)
  • 2: NPT female threaded
  • 4: ANSI-150 RF flanged
         ANSI-150 RF flanged - SS Meters
  • 5: ANSI-300 RF flanged
  • 6: PN16 DIN flanged
         DIN flanged - SS Meters
Cable Entry
  • 0: None
Mechanical Display
  • M3: 4 digit mechanical totalizer - Litres
  • M4: 4 digit mechanical totalizer – US Gallons
  • V1: 5 digit mechanical reset register - Litres
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