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Rockwin’s Calibration Facilities are accredited by NABL (National Accreditation Board for testing and Calibration Laboratories),
Department of Science & Technology,
and in accordance with ISO / IEC 17025.
   
Inline Turbine Flowmeter (TFM Series)
Rockwin Turbine Flowmeters are designed to provide a high order of 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 500 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.

General Specifications:

PARAMETER METERS FOR LIQUIDS METERS FOR GASES
Flow Range upto 7000 M³/Hr Upto 17000 AM³/Hr
Accuracy Linearity: +/- 0.5% over 10% to 100%                 Flow Range.
              : +/- 0.25% for 50 mm and                 above
Repeatability: +/- 0.02%
                     (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.). Higher rating meters available on request.

Flanged meters: According to flange rating
Threaded Meters:
250 kg/cm² (4000 p.s.i.). Higher rating meters available on request.
Flanged meters: According to flange rating
Pressure Drop Approx. 0.28 kg/cm² (4 psi) at maximum flow (Specific Gravity 1, Viscosity 1 cst) Approx. 1 inch w.g. at maximum flow (Air Specific Gravity 1 )
Temperature Range Tungsten Carbide/Stellite:
-50°C to +250°C
Shielded Ball Bearings: -50°C to +250°C
Shielded Ball bearings:
-50°C to +150°C
Electrical Connections MS type Amphenol connector supplied with matting connector or conduit box with terminal block connections (conduit box specification dependent on certification requirements).
Field Electronics A range of Pre-amplifiers, F/I converters and local display electronics are available.

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