







The H44H swing check valve is a valve that automatically opens and closes the valve disc based on the flow of the medium, designed to prevent backflow. It is also referred to as a non-return valve, one-way valve, check valve, or back-pressure valve. The primary function of this type of valve is to allow the medium to flow in only one direction while blocking flow in the opposite direction.
Typically, the H44H swing check valve operates automatically. When the medium flows in the intended direction, fluid pressure pushes the valve disc open, allowing the fluid to pass. When the fluid flows in the opposite direction, the pressure of the fluid and the self-weight of the valve disc act on the valve seat, sealing the valve and cutting off the flow path, thus preventing backflow.
This type of valve is ideal for applications requiring unidirectional flow, such as in pump stations and pipeline systems. When the valve disc closes, it creates a seal that protects the system from damage caused by pressure surges or backflow.
The H44H swing check valve features a simple design, easy maintenance, and is suitable for a wide range of liquid and gas media. It is an efficient anti-backflow protection device in various industrial applications.

| 
 Design & Manufacturing  | 
 Conforms to GB12236 design standards, featuring a rational structure, reliable sealing, and an aesthetic appearance.  | 
| 
 Sealing Surface  | 
 Valve disc and seat sealing surfaces are made with STL cobalt-based hard alloy overlay, offering high wear resistance, high-temperature endurance, excellent scratch resistance, and long service life.  | 
| 
 Flange & Sealing  | 
 Compatible with various flange standards and sealing face types to meet diverse engineering needs and customer requirements.  | 
| 
 Material Options  | 
 Full range of valve body materials, with seals and gaskets selected based on actual working conditions or customer specifications. Suitable for various pressure, temperature, and medium conditions.  | 
| 
 Valve Disc Operation  | 
 The valve disc rotates around the pin outside the valve seat to reduce impact during closure.  | 
| 
 Pin Design  | 
 Internal pin structure for valve disc connection minimizes external leakage points, enhancing reliability  | 
We can design and develop according to the needs of our customers to meet the requirements of different clients.
| 
 Design & Manufacturing  | 
 Conforms to GB12236 design standards, featuring a rational structure, reliable sealing, and an aesthetic appearance.  | 
| 
 Sealing Surface  | 
 Valve disc and seat sealing surfaces are made with STL cobalt-based hard alloy overlay, offering high wear resistance, high-temperature endurance, excellent scratch resistance, and long service life.  | 
| 
 Flange & Sealing  | 
 Compatible with various flange standards and sealing face types to meet diverse engineering needs and customer requirements.  | 
| 
 Material Options  | 
 Full range of valve body materials, with seals and gaskets selected based on actual working conditions or customer specifications. Suitable for various pressure, temperature, and medium conditions.  | 
| 
 Valve Disc Operation  | 
 The valve disc rotates around the pin outside the valve seat to reduce impact during closure.  | 
| 
 Pin Design  | 
 Internal pin structure for valve disc connection minimizes external leakage points, enhancing reliability  | 
Vatten Valve Group, a globally renowned industrial automation valve enterprise originating from Saarland, Germany, specializes in the research, development, and manufacturing of core products such as automatic control ball valves, butterfly valves, and regulating valves. Leveraging our exceptional technological expertise, we deliver innovative valve solutions and professional technical support to critical industries including energy, chemical, water treatment, pharmaceutical, and food processing.
The Group operates four state-of-the-art manufacturing bases strategically located in Shanghai, Tianjin, Lishui, and Jiaxing, China. To better serve international markets, we have established branch offices in key strategic locations including the United Kingdom, Turkey, Belarus, Saudi Arabia, and Indonesia. The establishment of our Indonesian office significantly enhances our service capabilities in the Southeast Asian market, ensuring timely and efficient technical support and services for local partners and clients.
Rooted in the German tradition of precision manufacturing, Vatten Valve maintains its focus on automatic control valves while strictly adhering to international quality standards. We are committed to continuous innovation, providing customers with superior performance products, professional technical support, and comprehensive fluid control solutions, empowering them to address complex industrial fluid control challenges.