V-Cone Flow Meter
High-Accuracy Differential Pressure Flow Measurement for Harsh Process Conditions
The V-Cone flow meter is an advanced differential pressure (DP) flow measurement device designed for accurate and repeatable measurement of liquids, gases, and steam under demanding process conditions. By placing a cone-shaped obstruction in the center of the pipe, the V-Cone creates a stable differential pressure that is less sensitive to upstream flow disturbances.
Instrava V-Cone flow meters are engineered for applications where space is limited, flow profiles are unstable, or traditional DP meters struggle to maintain accuracy. With no moving parts and strong resistance to erosion and vibration, the V-Cone meter delivers long-term reliability in high-pressure, high-temperature, and multiphase environments.
Flow Meter Description
V-Cone Flow Meter-Key Features 1
-
Minimal installation requirements
Built-in flow conditioning reshapes velocity distribution, eliminating eddies and dead zones. Straight pipe requirements are greatly reduced: upstream 0–3D (up to 30D depending on application), downstream 0–1D. -
Wide turndown ratio
Typical turndown ratio of 10:1, with a maximum up to 50:1, enabling accurate measurement across wide flow ranges. -
Low permanent pressure loss with stable signal
For the same β ratio, pressure loss is only 1/3–1/5 of an orifice plate, while signal fluctuation is reduced to approximately 1/10, ensuring superior measurement stability. -
Excellent wear resistance
The streamlined V-cone geometry creates a localized vacuum effect on the cone surface, significantly reducing direct particle impingement and extending service life. -
Self-cleaning, non-clogging design
Full purging flow pattern prevents sediment deposition, particle accumulation, and media adhesion—ideal for dirty and particulate-laden fluids.
V-Cone Flow Meter-Key Features 2
-
Long-term measurement stability
The β ratio remains stable over extended operation, ensuring consistent accuracy and repeatability throughout the product lifecycle. -
High accuracy and repeatability
Measurement accuracy up to ±0.5% F.S, with repeatability of ±0.1% F.S, suitable for demanding process control applications. -
Wide β ratio selection
The unique V-cone geometry allows a broad range of β values, enabling flexible design for various flow rates and operating conditions. -
Multiple installation configurations
Available in pipeline type, flanged tapping, wafer type, and insertion (plug-in) configurations to suit different installation requirements. -
Broad nominal diameter coverage
Nominal sizes from DN15 to DN2000 (1/2″–120″), with larger or customized sizes available upon request.
Flow Meter Parameter
| Parameter | Specification |
|---|---|
| Model | VCF 121 |
| Accuracy Class | 0.5 |
| Long-term Stability | ±0.1% F.S / year |
| Repeatability | ±0.1% |
| Minimum Flow Velocity | ≥ 0.1 m/s |
| Turndown Ratio | Typical 15:1; Maximum 50:1 |
| Reynolds Number Range | 8 × 10³ ~ 5 × 10⁶ |
| Operating Pressure | ≤ 16 MPa (up to 42 MPa maximum) |
| Operating Temperature | -160 °C ~ 700 °C |
| Nominal Diameter | DN15 ~ DN2000 (1/2″ ~ 120″) |
| Ambient Temperature | ≤ 80 °C |
| Relative Humidity | 5% ~ 85% |
| Output Signal | 4 ~ 20 mA |
| Power Supply | 24 V DC |
| DP Transmitter Supply Voltage | 24 V DC |
| DP Transmitter Output Current | 4 ~ 20 mA |
| Intelligent Flow Totalizer Voltage | 220 V AC |
| Intelligent Flow Totalizer Output | 4 ~ 20 mA |
| DP Transmitter Communication | HART / BRAIN |
| Flow Computation Indicator Communication | RS232 / RS485 |
| Installation Types | Flanged type, welded type, clamped type, insertion type |
Applicable Conditions
-
Nominal diameter: DN15 ~ DN2000
-
Flow velocity: ≥ 0.1 m/s
-
Working pressure: -0.1 MPa ~ 42 MPa
-
Working temperature: -160 °C ~ 700 °C
-
Ambient temperature: ≤ 85 °C
In addition to standard gas, liquid, and steam measurement, the V-Cone flow meter is suitable for challenging media, including high-dust gases, fluids with high suspended solids, high-viscosity media, strongly corrosive fluids, crystallizing media, and supersaturated process conditions.
Instrava OEM/ODM
Tailored Sourcing & Customization: Getting You the Exact Product You Need
As your trusted supplier and sourcing partner, we bridge the gap between your custom requirements and China’s vast manufacturing capabilities.
Finding the right product in a massive supply chain can be challenging. That is where we step in.
As a curated industrial supplier, our core value is simple: we stand in your shoes to help you procure the most optimal products. Whether you are an EPC contractor needing specialized technical compliance, an OEM equipment manufacturer looking for custom branding, or an industrial distributor/trader seeking competitive edge, we customize and tailor products to fit your exact procurement needs.
How We Customize to Fit Your Procurement Needs
For EPC Contractors & Engineers: We custom-configure instruments and devices to match your precise datasheets—tailoring process connections, exotic materials, signal protocols, and managing third-party calibration and testing so you get project-ready solutions.
For OEM Equipment Manufacturers: We provide comprehensive OEM/ODM customization, including custom housing, labeling, branding (private labeling), and tailored technical specifications to seamlessly integrate with your machinery.
For Industrial Distributors & Traders: We offer flexible customization in packaging, product ranges, and technical parameters, helping you differentiate your portfolio and win more local bids.
Why Partner with Us for Custom Sourcing?
One-Stop Engineering Alignment: You don’t have to deal with multiple factories. We translate your technical requirements into precise manufacturer blueprints.
Strict Quality & Compliance Safeguard: We oversee the entire customization and production process in China, ensuring the final customized product meets your local standards and certifications.
Our Ultimate Value: We don’t just sell what’s on the shelf. We find, customize, and deliver the most suitable and cost-effective product for your unique application.
Related Product Recommendations
Can V-Cone flow meters operate reliably under high-pressure conditions?
Yes. V-Cone flow meters are designed with robust construction and no moving parts, allowing stable operation under high-pressure conditions. With appropriate material and pressure rating selection, they can be used in systems up to 42 MPa.
How does a V-Cone flow meter handle turbulent or distorted flow profiles?
The centrally mounted V-cone acts as an internal flow conditioner, reshaping velocity distribution and minimizing the influence of swirl and turbulence. This allows accurate measurement even when upstream flow is highly disturbed.
Is a long straight pipe required for V-Cone installation?
No. One key advantage of the V-Cone flow meter is its minimal straight pipe requirement. In many applications, it requires 0–3D upstream and 0–1D downstream, making it ideal for space-limited installations.
Is the V-Cone flow meter suitable for steam measurement?
Yes. V-Cone flow meters are widely used in saturated and superheated steam applications. Their ability to withstand high temperature and pressure, combined with stable differential pressure signals, makes them suitable for power and boiler systems.
Can V-Cone flow meters measure multiphase or wet gas flow?
Yes. V-Cone flow meters perform well in gas–liquid two-phase flow conditions, including wet gas and fluids containing condensed water. The self-cleaning cone design helps maintain measurement stability in multiphase environments.
How does the V-Cone flow meter perform in dirty or particulate-laden media?
The streamlined cone geometry creates a purging flow pattern that prevents particle buildup and clogging. This makes V-Cone meters suitable for high-dust gases, fluids with suspended solids, and viscous or fouling media.
Why Trust Instrava?
We select manufacturers from a neutral, impartial standpoint, always with your best interests in mind.
Our very existence depends on helping you source the products that are the perfect fit for your needs.
Based in China, we are able to conduct on-site inspections of production environments and product quality firsthand.
We help you avoid intermediaries posing as factories.
We facilitate smoother after-sales support, eliminating time zone issues and the delays often associated with dealing directly with factories.
Our multilingual team ensures effective communication.
For a trading startup, every interaction with a client is a precious opportunity—a sign that you are willing to place your trust in us and give us the chance to prove ourselves.
In the digital age, while information is easily accessible, misconceptions often cloud the trust between people.
Instrava relies entirely on trust; it is our core philosophy and the foundation of our existence in society. It is the fundamental basis for our long-term growth and our commitment to serving the community.
Please place your trust in us.
