Flomec OM025 - Commissioning Steps; Model Coding and Specifications; Model Number Breakdown System; Detailed Specifications Table

Model number information 3 Specifications 4
Model coding
15mm ( 1/2" )
25mm ( 1" )
40mm ( 11/2" )
50mm ( 2" )
Body material
A
Aluminum
S
316 Stainless Steel
H
High pressure stainless
Rotor material
Aluminum
Stainless steel
9
Application specific
Bearing type
1
Ceramic ( SS rotors )
4
Hardened steel roller bearings ( Alum. rotors )
O-ring material
1
Viton ( standard ) -15~+200ºC [ -5~+400ºF ]
2 Ethylene Propylene Rubber -150ºC (300ºF) max.
3
Teflon encapsulated viton
-150ºC (300ºF) max.
4
Buna-N (Nitrile) -65~+100ºC (-53~+212ºF)
Temperature limits
-
2
120ºC ( 250ºF ) - see note 1
-
5
120ºC ( 250ºF ) - see note 2
Process connections
1
BSP female threaded
2
NPT female threaded
4
ANSI-150 RF flanges
5
ANSI-300 RF flanges
6
PN16 DIN flanges
9
Customer nominated
Cable entries
Code O
with mechanical register options
0
3~6mm cable gland (B2/B3 options)
1
M20 x 1.5mm
2
1/2" NPT
M o d e l N o. E x a m p l e
A 4 1
-
5 1 1 R2
Integral options
QP
Quadrature pulse output
E1
Explosion proof ~ Exd
Q1
Exd with Quadrature pulse
B2
BT11 dual totaliser
B3
Intrinsically safe BT11
(I.S.)
R2
RT12 Flow Rate Totaliser
R3
Intrinsically safe
RT12
(I.S.)
E0
EB10 batch controller
M*
=
M1
litres,
M2
gallons
M*
3 digit mechanical reset totaliser
M*
=
M3
litres,
M4
gallons
M*
4 digit mechanical reset totaliser
SB
Specific build requirement
(1) 120ºC (250ºF) rating of the pulse meter, 80ºC (180ºF) rating with BT, RT & EB options.
See temperature code 5 for higher temperature with BT, RT, & EB
(2) Cooling fin is fitted with integral instruments for operation between 80~120ºC (180~250ºF)
consult factory
OM015
OM025
4
5
IECEX & ATEX approved
flow rate, totals & all outputs
OM025
2 NPN open collector phased outputs
4
dc 2 stage batch controller
OM040
OM050
accum. & reset totals, pulse output
IECEX & ATEX approved
IECEX & ATEX approved
IECEX & ATEX approved
Specifications
Model prefix :
OM015 OM025 OM040 OM050
Nominal size ( inches )
15mm
(1/2")
25mm
(1")
40mm
(11/2")
50mm
(2")
* Flow range ( litres / min )
1 ~ 40 10 ~ 150 15 ~ 250 30 ~ 450
* Flow range ( USGM )
0.26 ~ 10.6 2.6 ~ 40 4 ~ 66 8 ~ 120
Accuracy @ 3cp
Repeatability
Temperature range
Maximum pressure
( threaded meters )
aluminium
68
( 1000 )
68
( 1000 )
30
( 440 )
20
( 300 )
316L stainless
100
( 1500 )
100
( 1500 )
100
( 1500 )
38
( 560 )
high pressure stainless refer factory for options
Protection class
Recommended filtering
(minimum)
150 microns
( 100 mesh )
minimum
Electrical
- for pulse meters (see also optional outputs)
Output pulse resolution
:
pulses / litre ( pulses / US gallon ) - nominal
Reed switch
83
( 314 )
27
( 102 )
13
( 50 )
6.5
( 25 )
Hall effect
166
( 628 )
107
( 405 )
52.6
( 200 )
26
( 99 )
Quadrature Hall option
166
( 628 )
53.5
( 203 )
26.3
( 100 )
13
( 50 )
Reed switch output
Hall effect output (NP N)
Optional functions
Display flowrate, total (accumulative & resettable)
Preset batching 1 & 2 stage high speed batch control
IP65 3 digit reset mechanical totaliser 999.9 ltr/gal 9999 litres or gallons
IP65 4 digit reset mechanical totaliser 9999.9 ltr/gal 99999 litres or gallons
Mechanical Accum. totaliser capacities M1 & M2 (6 digit), M3 & M4 (8 digit)
Optional outputs
Flow 4 ~ 20mA, high & low flow rate alarms
Pulse scaled pulse (programmable) , pulse amplifier
* Maximum flow is to be reduced as viscosity increases, max. pressure drop 100Kpa (15psi)
± 0.5% of reading
( ± 0.2% with optional RT12 )
typically ± 0.03%
3 wire open collector, 5~24Vdc max., 20mA max.
30Vdc x 200mA max.
(max. temp. shock 10ºC (50ºF) / min)
* Maximum flow on fuels may be maintained for intermittent periods of refuelling.
IP66/67 (NEMA4X), optional Exd IIB T6 or I.S.
-20ºC ~ +120ºC ( -4ºF ~ +250ºF )
bar
( PSI )