Turbine Flowmeters with Economical Ball Bearing Design |
| FTB-100 Series |
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Turbine Flowmeters with Economical Ball Bearing Design
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| Click for larger image. |
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NIST Certificate Included for Water
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±1/2% Rdg Accuracy
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Non-Metallic Bearing Retainers for Long Life
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Replacement Bearings Field Installable Without Loss of Calibration
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Disassembles Quickly for Easy Maintenance
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Deflector Cones Stabilize Low Mass Rotor for Increased Bearing Life
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4 to 20 mA, 0-5 V, and Scaled Frequency Outputs Available
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View related products - Turbine, Paddle Wheel & Positive Displacement Flow Meters
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The FTB-100 Series of turbine meters have a sealed ball bearing design for high accuracy performance
(±½% of reading, not full scale) at an economical cost. The non-metallic bearing
retainers minimize friction, thereby allowing these meters to be used with clean fluids that have poor
lubricating properties ( i.e.water). Ball bearings also give the widest linear flow range, particularly
in larger turbines. Bearing replacement and clean-up are fast and easy, since all internal parts are
easily accessible by removing a single nut.
These turbine flowmeters have a low mass rotor design which allows rapid dynamic response, so they can
be used in pulsating flow applications. Deflector cones eliminate downstream thrust on the rotor and
allow hydrodynamic positioning of the rotor between the cones. This provides wider rangeability and
longer bearing life than conventional turbine flowmeters. Integral flow-straightening tubes minimize the
effects of upstream turbulence.
FTB-100 Turbine Meters are available with integral signal conditioners (as shown in photo) which provide
scaled and unscaled frequencies, 4-20 mA, or 0-5 Volt outputs. Units without integral signal
conditioners are supplied with mating connector for two-wire hook-up.
SPECIFICATIONS
Accuracy: ±½% of reading
Repeatability: ±0.1% of reading
Maximum Temperature Range: -268 to 232°C (-450 to 450°F)
Maximum Intermittent Overrange: 150% of maximum range
Minimum Output Amplitude: 30 mV Peak-to-Peak Unscaled Pulse
Materials of Construction:
Body: 304 stainless steel; 1/2 NPT bodies contain Silver Solder. 3/4 NPT and larger are welded.
Rotor: 17-4 pH steel
Bearings: Ceramic
Minimum straight pipe requirements: 10 pipe diameters upstream, 5 downstream
| Model No. |
Fittings |
Linear Flow Range
Water |
Max Operating Pressure |
Max Pressure Drop |
Length
mm (in) |
Nominal
K-Factor
Pulses/Gal |
Weight
kg (lb) |
| LPM |
GPM |
| FTB-101 |
½ MNPT |
1.32 to 13.2 |
0.35 to 3.5 |
5000 psig |
3.0 psid |
62 (2.45) |
13,000 |
0.4 (1) |
| FTB-102 |
½ MNPT |
2.84 to 28.4 |
0.75 to 7.5 |
5000 psig |
5.0 psid |
62 (2.45) |
10,000 |
0.4 (1) |
| FTB-103 |
½ MNPT |
4.73 to 36 |
1.25 to 9.5 |
5000 psig |
5.2 psid |
62 (2.45) |
6,000 |
0.4 (1) |
| FTB-104 |
¾ MNPT |
6.62 to 61 |
1.75 to 16 |
5000 psig |
3.0 psid |
70 (2.75) |
4,100 |
0.4 (1) |
| FTB-105 |
¾ MNPT |
9.5 to 110 |
2.5 to 29 |
4250 psig |
5.0 psid |
83 (3.25) |
2,200 |
0.4 (1) |
| FTB-106 |
1 MNPT |
15 to 227 |
4 to 60 |
3850 psig |
5.1 psid |
89 (3.5) |
640 |
0.9 (2) |
| FTB-107 |
1¼ MNPT |
23 to 352 |
6 to 93 |
3850 psig |
4.3 psid |
99 (3.88) |
410 |
0.9 (2) |
| FTB-108 |
1½ MNPT |
30 to 492 |
8 to 130 |
3000 psig |
3.0 psid |
111 (4.38) |
230 |
1.4 (3) |
| FTB-109 |
2 MNPT |
57 to 852 |
15 to 225 |
2500 psig |
3.3 psid |
121 (4.75) |
120 |
1.8 (4) |
| FTB-110 |
2½ MNPT |
95 to 1514 |
25 to 400 |
2250 psig |
4.0 psid |
154 (6.06) |
62 |
2.3 (5) |
| FTB-111 |
3 MNPT |
151 to 2460 |
40 to 650 |
2000 psig |
4.0 psid |
191 (7.50) |
55 |
3.2 (7) |
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† Price are shown in RMB.
Note: Comes with NIST certificate for water and complete operator’s manual.
Standard NIST calibration: Viscosity = 1CK: no charge; 0.8 CK to 0.99 CK: add $370; 2 CK to 100 CK: for FTB-101 through FTB-107, add $625; for FTB-108 and FTB-109, add $625, and for FTB-110 and FTB-111, add $465.
If an integral signal conditioner is required please order as a system. Omega will scale the signal conditioner to the turbine meter.
Example: SYS/FTB-101/FLSC-C1-LIQ, scaled system includes: Signal Conditioner, Enclosure, Turbine Meter and Fitting, $1954.
(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
Ordering Example: (1) FTB-105 Liquid turbine meter calibrated to water 2.5 to 29 GPM, .75, ¥14,225.00
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