China-ElectricValves.com | TF FLUID CONTROL SYSTEMS – Premium Electric Valves Manufacturer

About TF FLUID CONTROL SYSTEMS

Tsaifan HVAC Technology Co., Ltd is a leading manufacturer of electric motorized valves and automated fluid control systems based in Tianjin, China. With over two decades of engineering excellence, we specialize in high-reliability electric ball valves, proportional control valves, and intelligent water leak detection solutions.

Our R&D team is passionate and creative, dedicated to continuous innovation in valve automation technology. We serve industries ranging from HVAC and water treatment to industrial process control and building automation.

Our Product Range

Premium electrically actuated valves designed for durability, precision, and seamless integration into automated systems.

Sensor Shut Off Valve

Water leak control system with automatic shut-off and alarm. Integrates with leak detectors for real-time protection.

• Automatic water shut-off on leak detection
• Compatible with water sensors & controllers
• Ideal for data centers, labs, and buildings

UPVC Electric Proportional Valve

2-way proportional ball valve with 15Nm actuator for precise flow modulation.

• 0-10V / 4-20mA analog control
• Corrosion-resistant UPVC body
• Modulating & linear flow control

Stainless Steel Proportional Valve

3Nm electric actuator with V-port design for accurate fluid regulation.

• 3Nm torque, 24VDC/230VAC options
• V-bore for linear flow characteristics
• Suitable for aggressive media

Brass Electric Proportional Valve

3Nm actuator with brass body for reliable proportional control in HVAC systems.

• 0-10V or 4-20mA input
• Compact design, easy installation
• Long service life, low maintenance

Stainless Steel Electric Valve 2-Way

10Nm actuated ball valve for on/off or modulating service in harsh environments.

• Full port design, low pressure drop
• IP67 protection rating
• Manual override available

Electric Ball Valve Brass 2-Way

Standard on/off electric ball valve with brass body for water and air systems.

• 24VAC/230VAC power options
• Switching time: 10-15 seconds
• Suitable for residential & commercial use

Stainless Steel Proportional Valve 2-Way 15Nm

High-torque proportional valve for industrial process control applications.

• 15Nm output torque
• 4-20mA control signal
• V-port for precise flow control

Timer Control Valves

Automated valves with integrated timer functions for scheduled operation.

• Programmable on/off cycles
• Ideal for irrigation & dosing
• Energy-efficient operation

Why Choose TF Valves?

We combine engineering precision with industrial durability to deliver reliable fluid control solutions.

High Reliability

Sealed actuator design, corrosion-resistant materials, and rigorous testing ensure long-term performance in demanding environments.

Fast Response

Quick-switching models available with response times under 10 seconds. Ideal for emergency shut-off and dynamic control loops.

Global Support

Serving customers worldwide with technical support, documentation, and fast sample delivery for trial orders.

Frequently Asked Questions

Get answers to common inquiries about our electric valves.

What is the difference between on/off and proportional valves?

On/off valves operate in two states – fully open or fully closed. Proportional valves allow continuous modulation of flow based on an analog control signal (0-10V or 4-20mA), enabling precise regulation.

Can I order samples for testing?

Yes, we offer sample and trial orders for up to 100 pieces. Contact us directly for sample availability and pricing.

Do your valves have manual override?

Yes, many of our automated valves come with a manual override option for emergency operation or maintenance.

What voltages are available?

We offer valves with 24VAC, 230VAC, and DC options depending on the model and application requirements.

Are your products certified?

Our manufacturing follows international quality standards. Specific certifications can be provided upon request based on product and destination.

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