

The pneumatic downward discharge valve is mainly installed on a reaction kettle with a frame-type or anchor-type stirrer. When the valve is opened, the movement direction of the valve stem and valve disc is consistent with the flow direction of the medium. The valve core does not extend into the kettle, so the material is discharged in a static state without accumulation. The valve is welded to the bottom of the reaction kettle, storage tank, or other containers through its removable bottom flange. During operation, the valve core moves downward, and the fluid flows through the annular leakage hole between the valve disc and the valve body to the valve outlet without obstructing the flow of the medium. As a result, the residual material typically found at the container outlet is eliminated. When closing, the valve disc rises to the valve inlet and blocks the material outlet

| 
 Valve Type  | 
 Pneumatic downward discharge valve for reaction kettle  | 
| 
 Connection  | 
 Flanged or pipe connection between valve body inlet and tank bottom, with a size 1-2 steps larger than nominal valve size  | 
| 
 Structure  | 
 Valve stem connected to the valve core with a lock nut at one end, and connected to the actuator (cylinder, electric device, handwheel) at the other end for control of valve core movement  | 
| 
 Valve Disc  | 
 Short stroke design with anti-scraping, anti-corrosion valve seat inside the valve body  | 
| 
 Surface Treatment  | 
 Sealing surface hardened to a hardness greater than HRC52 for enhanced durability and resistance to abrasion and corrosion  | 
We can design and develop according to the needs of our customers to meet the requirements of different clients.
| 
 Valve Type  | 
 Pneumatic downward discharge valve for reaction kettle  | 
| 
 Connection  | 
 Flanged or pipe connection between valve body inlet and tank bottom, with a size 1-2 steps larger than nominal valve size  | 
| 
 Structure  | 
 Valve stem connected to the valve core with a lock nut at one end, and connected to the actuator (cylinder, electric device, handwheel) at the other end for control of valve core movement  | 
| 
 Valve Disc  | 
 Short stroke design with anti-scraping, anti-corrosion valve seat inside the valve body  | 
| 
 Surface Treatment  | 
 Sealing surface hardened to a hardness greater than HRC52 for enhanced durability and resistance to abrasion and corrosion  | 
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.