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Sunflower Oil Flow Meter 100 L/h: Continuous Flavoring Injection Control Systems
Quick Answer
For continuous flavoring injection into sunflower oil at 100 L/h, use a positive displacement flow meter with pulse or 4-20 mA output. Oval gear meters handle this flow and oil viscosity best. A micro Coriolis mass flow meter adds density data if your process needs it. Silver Automation Instruments supplies both types with food-grade certifications.
The Continuous Injection Process
In snack food and cooking oil factories, flavors often join the main oil stream without stopping production. Sunflower oil flows at a constant 100 liters per hour toward the packaging line. A dosing pump injects liquid flavor concentrate just before a static mixer. The flow meter sits on the main oil line and sends a real-time signal to the PLC. The PLC then adjusts the dosing pump speed. This closed-loop control holds the flavor ratio tight. Even a 2 percent overdose of rosemary or garlic extract changes the final taste and wastes expensive flavor additives.
Why 100 L/h Is a Tricky Low Flow
Many inline meters fail below 200 L/h. Turbine meters lose linearity when the flow gets lazy. Electromagnetic flow meters do not work with sunflower oil because the liquid is not conductive. At 100 L/h the Reynolds number stays low. Sunflower oil viscosity is around 48 to 52 centipoise at 20 °C. So the flow is laminar, not turbulent. You need a meter that measures every tiny pocket of fluid. Oval gear meters and micro Coriolis meters are designed exactly for this condition. They give repeatable readings even at 1 L/h start-up flow.
Flow Meter Technology Pick
Two technologies dominate this niche. Oval gear meters use a pair of precision rotors. Every rotation traps and releases a fixed volume. The meter outputs a pulse per 0.01 liter or per user setting. No straight pipe runs are needed. Coriolis mass flow meters measure mass directly and also give density and oil temperature. That extra data helps if your QA team tracks oil consistency. But Coriolis meters cost more up front and need zeroing after cleaning cycles. Most food plants in Southeast Asia and Latin America pick oval gear meters for simple injection skids.
Silver Instruments OG‑M4 Oval Gear Meter for Sunflower Oil
We deliver the OG‑M4 model specifically for 30 to 600 L/h oil flows. Its wetted parts are 316L stainless steel and PEEK. You can order tri‑clamp, DIN 11851, or SMS connections to match your sanitary pipeline. Standard outputs are 4‑20 mA, open collector pulse, and RS485 Modbus. HART 7 protocol is an optional add‑on. The meter handles fluid temperatures up to 120 °C, which
Installation and CIP Facts
Mount the meter on the main oil line before the flavor injection point. A simple Y‑strainer upstream stops particles from jamming the gears. No long inlet or outlet runs are needed. During clean‑in‑place, the OG‑M4 tolerates hot water up to 95 °C and mild caustic solutions. PEEK gears and 316L bodies survive frequent thermal shocks. We have seen snack plants in Thailand and Nigeria run three CIP cycles daily without calibration drift. After cleaning, a pulse test confirms the meter is ready for production.
Real World Example from Guatemala
A snack factory in Guatemala contacted us last year. They wanted to inject rosemary extract into sunflower oil at 90 to 110 L/h. Their old turbine meter gave unstable readings whenever the flow dropped below 80 L/h. We supplied the OG‑M4 oval gear meter with pulse output. Their Siemens PLC counted pulses and controlled a small diaphragm pump. Flavor dose accuracy improved from ±5 percent to ±0.5 percent. The factory saved roughly 800 USD per month in rosemary concentrate. The meter has run 11 months now with zero maintenance. This is the typical outcome for small oil injection systems.
Frequently Asked Questions
Q: Which flow meter is best for sunflower oil at 100 L/h?
A: Oval gear meter OG‑M4 from Silver Instruments is the most cost‑effective. If your process needs mass flow and density, use our micro Coriolis meter model CMF‑DN3.
Q: Can this meter handle CIP and hot oil?
A: Yes. The OG‑M4 handles media up to 120 °C and common cleaning chemicals. No extra protection is needed.
Q: What output signals do you supply?
A: 4‑20 mA active or passive, pulse, RS485 Modbus, and optional HART. These connect directly to your PLC or dosing controller.
Q: Do you have hazardous area approvals?
A: We offer ATEX Zone 2 and Zone 22 options for the OG‑M4. Tell us your area classification and we will match the right certification.
Q: How do I get a price and delivery estimate?
A: Send your flow range, pipe size (DN), oil temperature, and output signal preference to [email protected]. You can also call +86-135-1213-1526 or reach us on WhatsApp at 86-135-12131526. We reply within one working day.
Silver Automation Instruments
Email: [email protected]
Tel: +86-135-1213-1526
WhatsApp: 86-135-12131526
WeChat: +86 13512131526
Web: flow-meter.com.au