DIN3352 Resilient Seated Gate Valve, DIN3202 F4, Flanged Ends, Non-Rising Stem, PN10/16.
This gate valve is designed for precise flow control in a variety of industrial applications, including water, steam, oil, gas, and natural gas systems. It meets international standards such as AWWA, DIN3352 F4/F5, BS5163, and BS5150, ensuring high-quality performance and reliability.
The valve features flanged connections, making it suitable for easy installation and maintenance. It is available in sizes ranging from 50mm to 600mm (2" to 24"), with pressure ratings of PN10 and PN16. The body is constructed from ductile iron, while the wedge is made of the same material and fully vulcanized with NBR or EPDM rubber for enhanced sealing performance.
Key components include:
- **Stem**: Stainless steel (BS970 431S29 or DIN17440 X 20Cr13)
- **Seat**: EPDM rubber
- **Wedge Nut**: Brass
- **Bonnet**: Ductile iron
- **O-rings**: NBR or EPDM
- **Coating**: Fusion-bonded epoxy (200–250 microns) on both inside and outside surfaces
Custom coating options are also available upon request.
The valve comes in a wooden packaging for safe transportation and is marked with the trademark TFW. It originates from Tianjin, China, and is classified under HS Code 84818040.
Below is a detailed breakdown of the main parts and their materials:
| NO. | PART | MATERIAL |
|-----|---------------|--------------------|
| 1 | Body | Ductile Iron |
| 2 | Seat | EPDM |
| 3 | Shaft | Stainless Steel 420|
| 4 | Disc | Ductile Iron |
| 5 | Wedge Nut | Brass |
| 6 | Bonnet | Ductile Iron |
| 7 | O-ring | EPDM |
| 8 | Thrust Ring | Brass |
| 9 | Sealing Ring | EPDM |
| 10 | Socket Head Screw | Carbon Steel |
| 11 | O-ring | EPDM |
| 12 | Hand Wheel | Ductile Iron |
| 13 | Stem Nut | Brass |
The non-rising stem design ensures compact installation and reduces space requirements, making it ideal for confined areas.

This product is widely used in chemical industries, municipal water supply systems, and other industrial environments where reliable flow control is essential. Its durable construction and compliance with international standards make it a preferred choice for global applications.
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