Flomec Large Oval Gear Meters

3"(75 mm) - 4"(100 mm)

10 GPM(35 L/min) - 600 GPM(2500 L/min)

± 1.0% of reading (accuracy is ± 0.2% of reading with optional RT14 with non-linearity correction)

Typically ± 0.03% of reading

-40° F to +300° F (-40° C to +150° C)

• OM004: 1/8" (4mm) Oval Gear Meter, 1-36 L/hr, 0.26-9.5 USG/hr
• OM006: 1/4" (6mm) Oval Gear Meter, 2-100 L/hr, 0.53-26.4 USG/hr
• OM008: 3/8" (8mm) Oval Gear Meter, 15-550 L/hr, 4-145 USG/hr
• 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, 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

• A: Aluminium
• E: Extended flow Aluminium
• M: Intermediate pressure aluminium
• N: Intermediate pressure Stainless Steel
• S: Stainless Steel
• P: PPS (PPS rotors only, temp code 8, BSP/NPT, safe area only)

• 00: PPS (not suitable for Temp code 3)
• 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

• 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])

• 2: 120° C max. [250° F]
• 3: 150° C max. [300° F] - Hall only, includes SS terminal cover
• 5: Cooling fin for meters with integral display (For temperatures between 80-120° C [176-250° F])
• 8: 80° C max. [176° F] - select for meters with display, OM008 with PPS rotors, and OM025P

• 0: No fittings
• 1: BSPP (G) female threaded (ISO 228)
• 2: NPT female threaded
• 3: Tri-clamp ferrules (1/2" larger than meter size)
• 4: ANSI-150 RF flanged
       ANSI-150 RF flanged - SS Meters
• 5: ANSI-300 RF flanged
• 6: PN16 DIN flanged
       DIN flanged - SS Meters

• 1: M20 x 1.5mm (M16 x 1.5mm for R4)
• 2: 1/2" NPT
• 6: 3 x 16mm drilled holes (for R7/F15/F18/F19/F31)

• (DEFAULT): Reed switch & Hall Effect (NPN) outputs
• SS: Stainless steel terminal cover
• RS: Reed Switch only (Note 4)
• E1: IECEx/ATEX Explosionproof EXd IIB T6…T3 Gb (Note 4)
• E2: IECEx/ATEX Explosionproof EXd I/IIB T6…T3 Gb (SS meters only)
• FP: cFMus Approved, USA and Canada, Flameproof Class 1 Zone 1 (Note 4)
• QP: Quadrature pulse (2x NPN outputs)
• QPN: Quadrature pulse (2x NPN outputs) with. Australian / New-Zealand weights and measures approval
• Q1: Combination of E1 and QP Integral Options
• Q1N: Combination of E1 and QPN Integral Options
• HR: High resolution Hall effect (NPN) output
• H1: Combination of E1 and HR Integral Options
• R4: RT40 backlit rate totaliser in Aluminium housing (Notes 1, 2) Requires Cable Entry option 1
• R5: RT14 backlit rate totaliser with 4-20mA and pulse outputs, in GRN housing (Notes 1, 2)
• R6: RT14 IECEx/ATEX Intrinsically Safe rate totaliser with 4-20mA and pulse outputs, in GRN housing (Notes 1, 2, 4)
• R7: RT40 backlit rate totaliser in GRN housing (Notes 1, 2, 5)
• B11: EB11 single stage batch controller in GRN housing (Notes 1, 2)
• E18: E018 IECEx/ATEX EXd rate totaliser with 4-20mA and pulse outputs, HART communications, in an Aluminium housing (Notes 2, 3)
• E19: E018 IECEx/ATEX EXd rate totaliser with 4-20mA and pulse outputs, HART communications, in a SS housing (Notes 2, 3)
• F15: F115 bidirectional flow rate/totaliser, 4-20mA and pulse outputs, in a GRN housing (Notes 1, 2)
• F18: F018 rate totaliser with 4-20mA and pulse outputs and HART communications, in a GRN housing (Notes 1, 2, 5)
• F19: F018 Intrinsically Safe rate totaliser with 4-20mA and pulse outputs and HART communications, in a GRN housing (Notes 1, 2, 4, 5)
• F31: Intrinsically Safe 2 stage batch controller (Notes 1, 2, 4, 5).

• (DEFAULT): Displays in Litres
• G: Displays in US Gallons

Note 1. Temp code 5 (cooling fin) is required for integral instruments with operating temperature between 80-120° C [176-250° F]

Note 2. Temp code 8 is required for integral instruments with operating temperature up to 80° C max. [176° F]

Note 3. Not available with OM080, OM080E, OM100, OM100E

Note 4. Not available with OM025P

Note 5. Only available with Cable entry code 6

Note 6. OM050 with PPS rotors 30 - 500 L/min [8 - 130 USG/min] with lubricating liquids, not for NMI use.