Professional HVAC Products Manufacturer And Exporter
Handing is an export trading company of HVAC products. We have our own factory, specializing in the production of heating pipeline products. Our products are available in various styles and meet the quality standards required by the European market. While developing and manufacturing HVAC products, we also source and supply some other products that our customers need. Request a free quote today!

These stainless steel floor are made of corrosion-resistant stainless steel. They have excellent heat dissipation performance, stable operation, and are easy to install and maintain. The Stainless Steel Manifold can improve the efficiency of floor heating systems, reduce energy consumption, and achieve energy conservation and environmental protection.


Our products are of reliable quality and have undergone rigorous testing: the heating water distributor undergoes a burst pressure test of 10Mpa to ensure that it will not crack.
1. Underfloor Heating Manifold(UFH Manifold)Working temperature reaches -10℃ to 70℃. Working pressure is 0-10bar

2. Central Heating Manifold make burst pressure test under 10Mpa to make sure there is no cracking.and can operate stably for a long time. 

Whether it is a home, commercial building or industrial project, our MANIFOLD products can provide you with a reliable integrated solution for floor heating pipes. Whether you need a model with drain valve and pressure gauge, or a simple collector, we have you covered.

Mixing valve unit

Manufactured using advanced technology and high-quality materials, our mixing valve unit feature precise temperature regulation, energy-saving management and safety protection. Our products include mixing valves and control units, floor heating bypass valves, hydraulic separator tanks and integrated pipe mixing units.

The Mixing valve and Control Unit has the following key specifications:
1. Material: The material of the Brass Manifold is Cu-57-3 brass, which has excellent corrosion resistance and wear resistance. 
2. Maximum pressure: It can withstand a maximum pressure of 10bar and is suitable for various water and gas supply systems.
3. Temperature range and stability: The adjustable temperature range of the current collector is 20~60℃, and the operating temperature range is 0~100℃. Temperature stability up to +/-1°C ensures stable operation of the system. 
4. Power output and mains voltage supply: The Brass Manifold has a power output of 15KW and a power supply of 230V, which can meet different needs.


Our Manifold Fittings series is a high-performance, high-reliability floor heating pipe connection product that ensures the safety, comfort and efficient operation of the floor heating system. Our service concept is to meet all customized needs of customers and provide all accessories for floor heating systems. 


The Manifold Flow Meter H3003 has the following key specifications:
Material: The manifold flow meter is made of Brass Hpb57-3, ensuring durability and reliability in its performance.

Nominal Pressure: It is designed to operate at a pressure of ≤10 bar, allowing for efficient measurement and monitoring of water flow.

Applicable Medium: The manifold flow meter is specifically designed for use with cold and hot water. It provides accurate measurements and monitoring for water systems in various applications.

Working Temperature: The flow meter is suitable for use in temperatures not exceeding T≤70°C. This temperature range ensures reliable and accurate readings in normal water heating and cooling systems.

Connection Thread: The manifold flow meter is equipped with an ISO 228 standard connection thread. This standardized thread ensures compatibility with various piping systems, making installation and integration easier.

Air Vent and Check Valve

Air Vent and Check Valve offers good sealing performance, automated operation, ease of installation and maintenance. These advantages ensure the stability, reliability and efficiency of the floor heating system. We have a variety of air vent valve syles and sizes for you to choose from, and we also provide services such as marking, electroplating, and customized packaging.


The Brass Automatic Exhaust Valve has the following key specifications:

1. Flow direction: Brass Manifold has the characteristics of two-way flow, which can flexibly adjust the direction of water flow.
2. Applicable media: This collector is suitable for water media and can be widely used in water supply systems and other related fields.
3. Maximum working pressure: Brass Manifold can withstand a maximum working pressure of 10bar
4. Maximum temperature: In water medium, the maximum temperature of this collector can reach 100°C, making it suitable for hot water supply systems.
5. Exhaust pressure: The exhaust pressure of the collector is 3bar, which effectively removes the air in the system and maintains stable operation of the system.


The Thermal Actuator features fast response, high accuracy, reliability, and the ability to operate over a wide temperature range. Thermal actuators are widely used in various automation systems and equipment, such as air conditioning systems, heating systems, valve control, automobile engine control and other fields.


The Thermal Actuator H7001 has the following key specifications:
1. Applicable temperature range: The thermal actuator is designed to operate within a temperature range of 6 to 28°C.
2. Adjust the scale: The actuator has an adjustable scale ranging from 0 to 1...5, allowing for precise control and fine-tuning.
3. Max working pressure: The actuator is capable of withstanding a maximum working pressure of ≤10 bar, making it suitable for various applications requiring pressure control.
4. Connection thread: The actuator features a connection thread with specifications of M30X1.5, providing compatibility with standard fittings and facilitating easy installation.


Safety valves are commonly used in industries such as oil and gas, chemical processing, manufacturing and power generation.  They are essential components of any system where pressure control is critical, such as boilers, pressure vessels, and pipelines.


When it comes to safety valve procurement, it is important to consider factors such as reliability, compliance, and cost-effectiveness. Different types of safety valves, including spring-loaded, pilot-operated, and relief valves, are available to suit diverse applications and operating conditions. They come in various sizes, materials, and configurations, allowing for customization based on specific industry requirements.

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