Terminal Automation Solutions (TAS) – Megi Control Systems Pvt. Ltd.

The Digital Control Valve is a high-performance automated valve designed for precise flow control and quantitative loading applications. Engineered with a stepper motor-driven piston mechanism, it delivers accurate regulation, reliable shut-off, and exceptional durability with a service life exceeding one million operating cycles.

Its low-flow resistance design makes it particularly suitable for handling high-viscosity liquids, while its operation remains unaffected by fluid viscosity or pressure variations. The valve provides smooth, proactive switching and consistent performance across a wide range of industrial processes.

Key Features

• Stepper motor-controlled piston valve for precise operation

• Service life exceeding 1 million switching cycles

• Accurate and linear flow regulation for enhanced process control

• Performance unaffected by liquid viscosity

• Low flow resistance for efficient fluid handling

• Quiet operation with minimal noise during opening and closing

• Automatic shut-off during power loss for enhanced safety

• Corrosion-resistant stainless-steel construction

• PTFE (Teflon) sealing components resistant to acids, alkalis, and chemical solvents

• Available with switch control, 4–20mA control, and RS485 Modbus communication

Applications

• Accurate liquid flow control and regulation

• Frequent valve opening and closing operations

• Automated quantitative loading and dispensing systems

• Gravity-fed processes where minimal pressure loss is critical

• Replacement or upgrade of conventional electro-hydraulic control valves

• Handling of fluids prone to solidification or freezing, such as wax-based products

Suitable Industries / Chemical & Petrochemic

• Diesel

• Gasoline

• Jet fuel systems

• Fuel oil

• Heavy oil

• Crude oil

• Liquefied petroleum gas (LPG)

• Chemical raw materials

Chemical & Petrochemic

• Sulfuric acid

• Hydrochloric acid

• Alkali solutions

• Ammonia

• Various chemical solvents

Technical Specifications

Parameter	Specification
Nominal Diameter	DN1 — DN10 (customizable)
Flow Range	0.01 — 30 L/min
Accuracy Class	0.5%, 1.0%
Response Time	≤ 1s
Maximum Pressure	6.3 MPa (Higher pressure customizable)
Medium Temperature	-40°C — +60°C (Higher temperature customizable)
Ambient Temperature	-30°C — +55°C
Control Modes	Switch Control, 4–20mA Control, RS485 Modbus Control
Switching Speed	• Fully Closed to Fully Open: < 3.2s • Fully Open to Fully Closed: < 3.2s
Operating Temperature	-40°C to +85°C
Power Consumption	• During Operation: < 20W • Closed Position: < 2W
Power Supply	• 19–38V DC (typically 24V DC) • 220V AC ±20%
Electrical Interface	2 × 3/4" NPT
Valve Body Material	304 Stainless Steel
Explosion Protection	• CE Certified (ATEX, PED/SEP, EMR) • ATEX II 2G/D EEx d IIC T6-T4

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