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DIN Cast Iron Bellows Seal Globe Valve - China Suppliers & Factory for Leak-Free Solutions
Product Details
The DIN bellows seal globe valve is suitable for shut-off and flow control applications in pipeline systems across a wide range of industries, including flue gas desulfurization plants, gas supply pipelines, vacuum systems, ammonia facilities, hot water systems, cooling and refrigeration systems, heating installations, steam systems, as well as the chemical, pharmaceutical, fertilizer, and power generation industries.
The nominal pressure range is from 1.0 MPa to 16.0 MPa, and the maximum working temperature can reach up to 350°C.
Main Structural Features
- 1.This product has logical structure, reliable seal, excellent performance and nice design.
- 2.The seal surface is overlay welded with hard chrome alloy material which is attrition resistant, corrosion resistant, has good friction resistant and long life.
- 3.The stem is quenched and tempered, and its surface is treated by nitriding treatment, thus it has good corrosion resistant and friction resistant.
- 4.It has double seal capability, thus is more reliable for zero leakage warranty.
- 5.The stem shows the position indicator, thus it is clearer.
Specification
Technical Specification
| Parameter | Standard / Value |
|---|---|
| Structural formation | BB, BG, OS&Y |
| Driving manner | Handwheel or motor operated |
| Design standard | DIN 3356 |
| Face to face | DIN 3202 |
| Flange ends | DIN 2543-2545 |
| Butt-welding | DIN 3239 |
| Test and inspection | DIN 3230 |
Dimensions
Dimensions and Weight for PN16 Nominal Pressure
| Size | mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 |
| L | mm | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 |
| H | mm | 195 | 200 | 220 | 225 | 235 | 250 | 260 | 265 | 370 | 400 | 515 | 550 | 600 | 630 | 680 |
| W | mm | 130 | 130 | 130 | 130 | 150 | 150 | 180 | 180 | 200 | 200 | 400 | 450 | 450 | 500 | 500 |
| Weight | KG | 4 | 4.5 | 5 | 7 | 9 | 12.5 | 18 | 23 | 41 | 54 | 90 | 160 | 260 | 411 | 610 |
Dimensions and Weight for PN25 Nominal Pressure
| Size | mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 |
| L | mm | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 |
| H | mm | 195 | 200 | 220 | 225 | 235 | 250 | 260 | 265 | 370 | 400 | 515 | 550 | 600 | 630 | 680 |
| W | mm | 130 | 130 | 130 | 130 | 150 | 150 | 180 | 180 | 200 | 200 | 400 | 450 | 450 | 450 | 450 |
| Weight | KG | 4 | 4.5 | 5 | 7.5 | 9.5 | 13 | 19 | 24 | 43 | 57 | 95 | 168 | 300 | 510 | 680 |
Dimensions and Weight for PN40 Nominal Pressure
| Size | mm | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 |
| L | mm | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 730 | 850 | 980 |
| H | mm | 195 | 200 | 220 | 225 | 235 | 250 | 260 | 265 | 370 | 400 | 515 | 550 | 600 | 630 | 680 |
| W | mm | 130 | 130 | 130 | 130 | 150 | 150 | 180 | 180 | 200 | 200 | 400 | 450 | 450 | 500 | 500 |
| Weight | KG | 4 | 4.5 | 5 | 8 | 10 | 13.5 | 20 | 25 | 45 | 60 | 98 | 171 | 340 | 580 | 780 |
Frequently Asked Questions
What industries is the DIN bellows seal globe valve suitable for?
The DIN bellows seal globe valve is suitable for a wide range of industries including flue gas desulfurization, gas supply, vacuum systems, ammonia facilities, hot water and cooling systems, heating, steam systems, as well as chemical, pharmaceutical, fertilizer, and power generation industries.
What is the nominal pressure and maximum working temperature range?
The nominal pressure range is from 1.0 MPa to 16.0 MPa, and the maximum working temperature can reach up to 350°C, making it suitable for high-temperature and high-pressure pipeline applications.
What design and inspection standards does this valve comply with?
This valve is designed according to DIN 3356, with face-to-face dimensions per DIN 3202, flange ends conforming to DIN 2543-2545, butt-welding per DIN 3239, and testing and inspection carried out according to DIN 3230.
What driving options are available for this globe valve?
The valve supports both handwheel operation and motor-operated actuation, with structural formations available in BB, BG, and OS&Y configurations to meet various installation and automation requirements.
How is the seal surface treated to ensure durability?
The seal surface is overlay welded with hard chrome alloy material, providing excellent attrition resistance, corrosion resistance, and friction resistance for a long service life. The stem is also quenched, tempered, and nitriding-treated for enhanced durability.
What size range is available and how can I find the correct dimensions?
The valve is available in sizes from DN15 to DN350. Detailed dimensions (L, H, W) and weights are provided for PN16, PN25, and PN40 nominal pressure ratings in the specification tables above, making it easy to select the correct size for your pipeline system.
Product Packaging
01020304