Rockwin Turbine Flow Meters

Selection Parameters — What They Mean (Rockwin Turbine Meters)

  • For highest accuracy liquid/gas measurement → choose Rockwin’s ±0.15% variants. 
  • For applications needing repeatable performance → ±0.02% repeatability ensures stable measurement. 
  • For cryogenic service (LNG/LIN/LOX) → select –196°C cryogenic design. 
  • For high-pressure hydrocarbons → 400-bar models suit oil & gas pipelines. 
  • For chemical compatibility → materials like Duplex/Hastelloy handle corrosive media. 
  • For low-viscosity fluids → turbine principle gives excellent response. 
  • For custody/billing-type internal monitoring → linearized versions reduce measurement uncertainty. 
  • For compact skids → threaded or tri-clamp models ease installation. 
  • For digital integration (PLC/SCADA) → frequency/4–20 mA outputs connect easily. 
  • For space-restricted pipelines → low pressure drop is ideal for pumping efficiency. 
  • For clean fluids only → turbine meters require non-suspended, non-slurry media. 
  • For long-term reliability → carbide/ceramic bearings extend operational life. 
  • For OEM metering skids → lightweight aluminum-body options lower cost and footprint. 
  • For multipoint measurement networks → remote transmitter variants offer cabling flexibility. 
  • For accurate batching and dosing → fast response and high repeatability support precision control.
  • For process improvement → stable performance reduces calibration frequency.

Description

Rockwin Turbine Flow Meters are precision-engineered, high-accuracy, high-repeatability flow measurement devices designed for clean liquids and gases. Built for industrial and energy applications, they provide superior linearity, fast response, and low pressure loss. Ideal for refined fuels, chemicals, cryogenics, and high-pressure systems requiring dependable, long-term measurement stability.

Parameter Technical Specification
Measurement Principle Turbine rotational speed proportional to flow velocity
Media Clean liquids & gases (non-slurry)
Accuracy ±0.15% to ±0.25% of reading (model dependent)
Repeatability ±0.02% to ±0.05%
Linearity Up to ±0.1% with linearization
Flow Range Wide turn-down up to 20:1
Viscosity Range Typically 0.8–10 cSt (custom ranges available)
Operating Pressure Up to 400 bar (higher on request)
Operating Temperature –196°C to +350°C (cryogenic to high-temp models)
Materials of Construction SS316 / Duplex / Hastelloy / Aluminum
Bearings Tungsten carbide / hybrid ceramic bearings
End Connections Flanged / Threaded / Tri-clamp / High-pressure fittings
Output Signals Pulse, Frequency, 4–20 mA with transmitter
Electronics Local/remote transmitter, digital compensation
Power Requirements Loop-powered or external DC
Installation Orientation Horizontal/vertical with proper flow conditioning
Approvals CE, ATEX/IECEx (for hazardous areas), API recommendations
Applications Refined fuels, chemicals, LNG/LPG, cryo fluids, water, gases

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