Flow > Flowmeters > GPI Flomec OM

 

GPI Flomec OM Series Oval Gear Flowmeters

Great Plains Industries' Flomec OM series oval gear meters are designed for low flow and high accuracy applications in viscous fluids. These units are available with a pulse output from either the reed switch or hall effect sensor. They are available in small capacity, medium capacity, or large capacity versions.

Key Specifications

  • 1/8" to 4" fitting sizes
  • 0.3 GPH to 400 GPM flow rates
  •  ±0.5% or ±1.0% accuracy
  • Quadrature pulse outlet option and bi-directional flow
  • Mechanical or digital displays with outputs available
  • Optional ATEX, IECEx approvals

Specifications, Manuals, and Supporting Literature

Model Selection Guide

Use this table to find the right model for your application.  Don't see the option you need? Call a Lesman sales specialist at 800-953-7626

Description Catalog Number
OM Series Oval Gear Flowmeter wth Mechanical Register
Pipe Size 1/2"
1"
1-1/2"
2"
3"
4"
OM015-
OM025-
OM040-
OM050-
OM080-
OM100-
Body Material Aluminum
316L Stainless Steel
A_ _ _ -
S_ _ _ -
Rotor Material Stainless Steel
PTFE-Filled Polyphenylene Sulfide
_51_-
_00_-
O-Ring Material FKM (Viton) [Std for Aluminum]
PTFE Encapsulated FKM
Buna-N Nitrile (-40° F Minimum)
_ _ _1-
_ _ _3-
_ _ _4-
Process Fitting No Fitting
NPTF Threaded
150# ANSI RF FLanged
300# ANSI RF Flanged
800
820
840
850
Integral Options 4-Digit Mechanical Totalizer, Liters
4-Digit Mechanical Totalizer, Gallons
5-Digit Mechanical Totalizer, Liters
-M3
-M4
-V1
Description Catalog Number
OM Series Oval Gear Flowmeter with Digital Interface
Pipe Size 1/8"
1/4"
3/8"
1/2"
1"
1-1/2"
2"
3"
4"
OM004-
OM006-
OM008-
OM015-
OM025-
OM040-
OM050-
OM080-
OM100-
Body Aluminum
316L Stainless Steel
A_ _ _ -
S_ _ _-
Rotor Stainless Steel
PTFE-Filled Polyphenylene Sulfide
_51_-
_00_-
O-Ring FKM (Viton) [Std for Aluminum]
PTFE Encapsulated FKM
Buna-N Nitrile (-40°F Minimum)
_ _ _1-
_ _ _3-
_ _ _4-
Max. Temp 176°F
250°F
8_ _
2_ _
Process Connection NPTF Threaded
150# ANSI RF Flanged
300# ANSI RF Flanged
Sanitary Fittings
No Fittings
_2_
_4_
_5_
_3_
_0_
Cable Entries 3-6mm Cable Gland or No Cable Entry
M20 x 1.5mm
1/2" NPT*
_ _0
_ _1
_ _2

*1/2" NPT Adapter on > OM008 and OM015N

Integral Options (Add Suffix) Suffix
Combination Reed Switch/Hall Effect Sensor
Reed Switch Only (for IS installations) -RS
High Resolution Hall Effect Output (for 1/8" and 1/4" meters only) -HR
ATEX, IECex EF with High Res Hall Effect Output (for 1/8" and 1/4" meters only) -H1
Quadrature Pulse: 2 NPN Phased Outputs -QP
ATEX, IECex EF with 2 NPN Phased Outputs -Q1
Stainless Steel Terminal Cover -SS
ATEX, IECex Explosion-Proof Housing -E1
ATEX, IECex Mine Explosion-Proof Housing (SS meters only) -E2
RT14 Intrinsically Safe Rate/Totalizer Display with All Outputs -R5
RT40 Backlit Rate Totalizer -R4
E018 Aluminum Backlit Rate/Totalizer, Pulse, 4-20mA, Lin, HART (Not for 1/2" meters) -E18
E018 SS Backlit Rate/Totalizer, Pulse, 4-20mA, Lin, HART (Not for 1/2" meters) -E19

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