Rockwin logo Complete solutions for flow measurement applications. ROCKWIN manufactures Flow Meters, Equipments, Instruments. Range of flowmeters suitable for measuring liquids like water, viscous oils, hydraulic oils, coolants, all gases, bio gas, flare gas, natural gas, propane, butane, ethane, Poly alcohol, compressed air, combustion gases, steam, chemicals and acids.
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 Manufactured Products > Inline Turbine Flowmeters (TFM Series)

Rockwin turbine Flowmeters are designed to provide high order of performance, accuracy & reliability under the severest conditions encountered in Oil, Gas, Petrochemical, Aerospace and other industries.

These flowmeters are precise, reliable, rugged and built to international standards.

Sizes range from 5 to 300 mm with flanged end connections and 5 to 50 mm with threaded end connections. All flowmeters are individually calibrated on Rockwin's In-house Certified Calibration Laboratory.

- Linearity of +/- 0.50% of the reading
- Rangeability of 10:1
- Both for Liquid & Gas Applications
- SS construction
- Special end fittings also available



General Specifications

PARAMETER METERS FOR LIQUIDS METERS FOR GASES
Flow Range 0.03 to 2700 M3/Hr 0.88 to 8000 AM3/Hr
Accuracy Linearity : +/- 0.5% over 10% to100% flow range. +/- 0.25% under specified conditions.
Repeatability : +/- 0.02% to +/- 0.05% on 95% confidence level
+/- 1% over 10% to 100% flow range (inclusive of linearity and repeatability)
Max. Pressure Threaded Meters- 250 kg/cm2 (4000 p.s.i.).
Flanged meters- according to flange rating
Threaded Meters- 250 kg/cm2 (4000 p.s.i.)
Flanged meters- according to flange rating
Pressure Drop Approx. 0.28 kg/cm2 (4 psi) at maximum flow
(SG 1, Viscosity 1 cst)
Approx. 1 inch w.g. at maximum flow
(gas SG 1 )
Temperature Range Tungsten Carbide/Stellite -50°C to +250°C Open Ball Bearings -50°C to +250°C (clean lubricating liquids only) Shielded Ball bearings -50°C to +150°C
Electrical Connections MS type Amphenol connector Series 10 SL 3102 supplied with matting connector or terminal block, mounted in weather proof aluminium conduit box. MS type Amphenol connector Series 10 SL 3102 supplied with matting connector or terminal block, mounted in weather proof conduit box.
Field Electronics A range of Pre-amplifiers, F/I converters and local display electronics is available.






Model Selection

Model No. Nominal
Bore (mm)
Liquid Flow
Range M3/Hr
Gas Flow
Range M3/Hr
End Connection
Threaded Ends
End Connection
Flanged ends

Dimensions
mm
A      C     D

1010 10 0.11 - 1.1 - 1/2" 1/2"/DN15 64 150 127
1015S 15 0.22 - 2.2 0.88-6.6 3/4" 3/4"/DN20 64 150 127
1015 15 0.4 - 4 1.6-12 3/4" 3/4"/DN20 64 150 127
1020 20 0.8 - 8 3.2-24 3/4" 3/4"/DN20 83 150 140
1025 25 1.6 - 16 6.4-48 1" 1"/DN25 88 200 152
1040 40 3.4 - 34 10-100 1.5" 1.5"/DN40 114 200 178
1050 50 6.8 - 68 20-200 2" 2"/DN50 132 200 197
1075 75 13.5 - 135 40-400 N/A 3"/DN80 - 200 254
1100 100 27 - 270 80-800 N/A 4"/DN100 - 300 356
1150 150 55 - 550 160-1600 N/A 6"/DN150 - 300 368
1200 200 110 - 1100 320-3200 N/A 8"/DN200 - 350 457
1250 250 190 - 1900 500-5000 N/A 10"/DN250 - 350 457
1300 300 270 - 2700 800-8000 N/A 12"/DN300 - 400 457
1400 400 400 - 4000 1200-12000 N/A 16"/DN400 - 450 610
1500 500 700 - 7000 1700-17000 N/A 20"/DN500 - 500 610

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