DIN Ball Check Valve
manufacturer: Shanghai MeiYan Yi Pump & Valve Co., Ltd.
Eml: sales@1bengfa.com
Tel: +86 (21) 5640 2009
Mob: +86 138 1691 3072（WeChat Same Account）
product drawing
DIN Ball Check Valve
Overview
The DIN Standard Ball Check Valve is an automatic check valve designed and manufactured in strict compliance with German Industrial Standards (DIN), utilizing a freely floating ball as the closing element. The valve body is typically constructed from materials such as carbon steel, stainless steel, or cast iron, with its structural design conforming to DIN series standards (e.g., DIN 3356). The valve opens when the forward flow of the medium pushes the ball away from the seat and automatically closes tightly through the combined action of the ball's own weight and reverse pressure.This valve features low flow resistance and sensitive opening/closing performance, and can be installed either horizontally or vertically. It is suitable for applications involving water, steam, oil, and various industrial media. Widely used in chemical, energy, water treatment, and other industries within DIN-compliant pipeline systems, it serves as a standard solution for preventing medium backflow.
Features
1. Strict Compliance with DIN Standards
The design, manufacturing, and inspection processes fully adhere to DIN standards (such as DIN EN 12266, DIN 3202), ensuring complete compatibility with German-standard piping systems in terms of pressure ratings, structural dimensions, flange connections, and material requirements.
2. Low-Flow-Resistance Spherical Design
The ball floats freely within the valve cavity. When open, it fully deviates from the flow path, resulting in minimal fluid resistance and low-pressure loss, making it particularly suitable for systems with stringent pressure drop requirements.
3.Reliable Bidirectional Sealing
The ball and seat employ precisely matched metal or soft-hard composite sealing. The sealing surfaces are finely ground to achieve reliable bidirectional sealing, effectively preventing medium backflow.
4. Flexible Installation and Durability
The valve can be installed horizontally or vertically (with flow direction from bottom to top), offering broad adaptability. Its simple and robust structure ensures smooth ball movement without jamming, providing a long service life.
5. Easy Maintenance and Strong Versatility
The internal structure is straightforward, allowing for quick inspection of the ball and sealing surfaces during maintenance. As a universal component in the DIN system, it facilitates procurement and replacement in European-standard projects.
Dimensions & constructral diagram
DIN Ball Check Valve constructral diagram
Material of main parts
| NO. | Name | Material |
|---|---|---|
| 1 | Body | Ductile Iron, Cast Steel |
| 2 | Disc | Rubber-Lined Carbon Steel |
| 3 | Ball Guide, Baffle | Ductile Iron, Cast Steel |
Performance Specification
| Performance Specification | ||
|---|---|---|
| Nominal Pressure | 1.6/1.0 | MPa |
| Shell Test Pressure | 2.4/1.5 | |
| Seal Test Pressure | 1.76/1.1 | |
| Suitable Temperature | ≤80 | ℃ |
Specification and dimensions
| Parameter | DN50 | DN65 | DN80 | DN100 | DN125 | DN150 | DN200 | DN250 | DN300 | DN350 |
|---|---|---|---|---|---|---|---|---|---|---|
| L (mm) | 216 | 241 | 293 | 305 | 381 | 403 | 495 | 622 | 698 | 787 |
| H (mm) | 185 | 210 | 245 | 280 | 335 | 400 | 495 | 600 | 715 | 800 |
