Pengukur Aliran

Oval Gear Flow Meter

The oval gear flow meter is a positive displacement (PD) flow measurement device designed for precise volumetric measurement of liquids, especially high-viscosity and low-flow-rate media.
By mechanically trapping and transferring fixed volumes of fluid, the meter provides stable and repeatable measurement independent of flow profile, pressure, or fluid conductivity.

Instrava oval gear flow meters are engineered for industrial applications requiring high accuracy, strong repeatability, and reliable performance under changing process conditions, including viscous, lubricating, or chemically aggressive fluids.

  Flow Meter Description  

Oval Gear Flow Meter Key Features

  • Direct volumetric measurement with high accuracy and repeatability

  • Excellent performance for high-viscosity liquids

  • Measurement unaffected by flow profile or Reynolds number

  • Stable performance at low flow rates

  • Compact structure with minimal installation space

  • Multiple signal outputs: pulse, 4–20 mA, digital communication

  • Wide material options for chemical compatibility

Instrava oval gear flowmeter manufacturer China OEM positive displacement liquid flow meter supplier
Oval gear flow meter with mechanical register for high-viscosity liquid flow measurement in industrial applications

Flow Meter Oval Gear Typical Applications

  • Lubricating oil and hydraulic oil measurement

  • Fuel oil, diesel, and light hydrocarbons

  • Resin, polymer, adhesive, and coating processes

  • Chemical dosing and batching systems

  • Food, pharmaceutical, and cosmetic liquids

  • OEM skid-mounted and metering systems

Oval Gear Flow Meter Working Principle

The oval gear flow meter operates on the positive displacement principle.
As fluid enters the measuring chamber, it drives two synchronized oval gears to rotate. Each rotation traps and transfers a fixed and known volume of liquid from the inlet to the outlet.

The rotation of the gears is detected by a sensor, generating pulse signals proportional to the volumetric flow rate. Because each pulse corresponds to a precise displaced volume, the flow meter delivers highly accurate instantaneous flow and totalized flow measurement.

Oval gear flow meter working principle diagram showing positive displacement measurement mechanism
Instrava oval gear flow meter manufacturer in China OEM positive displacement flow meter supplier

Oval Gear Flow Meter Structure & Reliability

  • Dual oval gear design ensures continuous and smooth fluid transfer

  • Precision-machined measuring chamber for long-term accuracy

  • Bearings and gears optimized for viscous and lubricating media

  • Robust housing materials for pressure and corrosion resistance

  • Low internal leakage for improved measurement accuracy

This mechanical simplicity results in excellent long-term stability and low maintenance requirements.

  Flow Meter Parameter  

ItemSpesifikasi
Product ModelOGF 128 Oval Gear Flow Meter
BahanCast iron, Cast steel, 304 stainless steel, 316 stainless steel
Nominal DiameterDN10 – DN200
Measuring MediumHigh-viscosity liquids such as heavy oil, polyvinyl alcohol, resin
Flow Range40 – 120,000 L/h
Medium Temperature-20 ~ 100 °C
Measurement Accuracy±0.5% of reading
Working Pressure≤ 1.6 MPa
Output SignalPulse output
Catu Daya12 VDC or 24 VDC

  Instrava OEM / ODM

Customization & Engineering Support

Instrava provides application-based customization for oval gear flow meters, including:

  • Material selection for aggressive or hygienic fluids

  • Output signal configuration for PLC and DCS systems

  • Pressure and temperature rating adaptation

  • Calibration with actual process fluid for maximum accuracy

Backed by engineering support, commissioning guidance, and long-term service, Instrava acts as a reliable partner for flow measurement in safety-critical and process control applications.

melambangkan kepercayaan dan awal dari kemitraan jangka panjang

  Rekomendasi Produk Terkait  

Oval gear flow meters operate on the positive displacement principle, mechanically transferring fixed fluid volumes. This makes them highly insensitive to viscosity changes, allowing stable and accurate measurement of heavy oils, resins, polymers, and other high-viscosity media.

Unlike velocity-based meters, oval gear flow meters maintain excellent accuracy at low flow rates because each gear rotation represents a fixed volume. This makes them ideal for low-flow dosing, batching, and precision transfer applications.

Pulse output provides a direct digital representation of volumetric flow, where each pulse corresponds to a defined volume. This enables precise totalizing, batching, and easy integration with PLC, DCS, and industrial automation systems.

No. Because oval gear flow meters measure actual displaced volume, their accuracy is largely unaffected by pressure changes or flow profile disturbances, provided the system operates within the rated pressure range.

Yes. Oval gear flow meters are well suited for intermittent, pulsating, or start-stop flow conditions, as the mechanical displacement principle ensures accurate totalization even during unstable flow patterns.

Maintenance is minimal when measuring clean, lubricating liquids. Periodic inspection focuses on gear wear and signal stability, especially in high-viscosity applications, ensuring long-term measurement reliability.

Mengapa Memilih Instrava

Dengan memilih Instrava, Anda mendapatkan mitra dengan pemahaman mendalam tentang aplikasi industri dan keahlian untuk memenuhi tantangan operasional saat ini.
Peran kami lebih dari sekadar produk-kami mendukung kesuksesan Anda melalui solusi yang dapat diandalkan dan komitmen jangka panjang.

Inovasi Berbasis Rekayasa

Inovasi di Instrava dipandu oleh kebutuhan industri yang nyata. Kami terus menyempurnakan teknologi kami untuk menjawab tantangan operasional yang terus berkembang, memastikan kinerja yang praktis dan andal di lingkungan yang penuh tuntutan.

Kustomisasi Khusus Aplikasi

Kami menyediakan kustomisasi tingkat teknik agar sesuai dengan kondisi proses tertentu. Dari rentang pengukuran dan bahan hingga sinyal keluaran dan opsi pemasangan, solusi kami dikonfigurasikan agar sesuai dengan aplikasi nyata.

Kualitas dan Keandalan yang Terbukti

Kualitas dan keandalan merupakan hal yang mendasar bagi setiap produk Instrava. Diproduksi di bawah kontrol kualitas yang ketat dan diuji secara menyeluruh, instrumen kami memberikan kinerja yang akurat, stabil, dan jangka panjang.

Kemampuan Global dengan Dukungan Lokal

Instrava menggabungkan keahlian teknik global dengan dukungan lokal yang responsif, memastikan mitra kami mendapatkan keuntungan dari teknologi yang selaras secara internasional dan layanan regional yang tepat waktu.

Portofolio Produk yang Komprehensif

Portofolio instrumen pengukuran dan kontrol kami yang luas memungkinkan kami untuk memenuhi berbagai kebutuhan industri, memberikan solusi terintegrasi dari satu sumber yang dapat diandalkan.

Dukungan Rekayasa Berorientasi Mitra

Kami bekerja sama dengan mitra kami mulai dari konsultasi teknis hingga dukungan purna jual. Fokus kami adalah memberikan solusi yang menciptakan nilai yang langgeng dan mendukung kesuksesan operasional jangka panjang.

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