Products Description
The fully welded flanged ball valve is an excellent energy-saving and environmentally friendly product. Its key feature is that internal leakage can reach a "zero leakage" state when the valve is closed, minimizing energy losses. This significantly improves energy efficiency and the accuracy of heat metering. The valve consists of a fully welded valve body and a carbon-reinforced Teflon gasket, allowing for frequent operation and long service life even in the presence of impurities and chemicals. The finely ground stainless steel ball ensures smooth opening and closing for many years, guaranteeing reliable operation. The product is widely used in long-distance pipelines in natural gas, oil, heating, chemical, and thermal power networks as a control device for opening and closing. Compared with similar products in the same industry, it has a smaller valve body and a more aesthetically pleasing appearance.
Products Specification
Pressure Rating: 150~600LB, 1.6MPa~4.0MPa
Product Specifications: 1/2"～40", DN15～1000mm
Product Material: WCB, A105, F11, F22, F304, F316, CF8, CF8M, WCC or selected according to customer requirements.
Applicable Temperature: -29°C≤t≤150°C (temperature varies depending on valve body material and sealing surface material)
Applicable Media: Water, oil, natural gas, and acid/alkali media, etc.
Actuation Method: Electric, manual, worm gear drive, gear drive, etc.
Execution Standards
Design Codes: API 6D, ASME B 16.34
Pressure-Temperature Rating: ASME B16.34, API 608
Structural Length: ASME B16.10, GB12221
Flange Types and Dimensions: ASME B16.47, ASME B16.5, MSS SP-4, BS, DIN, JIS, GB, JB, HG, SH
Inspection and Testing: API 598, API 6D, GB13927
Fire Resistance Testing: API 607, API 6FA
Main external connection dimensions DN15- 600mm
| DN | L | Ød | D1 | D | H1 | H2 | h |
| 15 | 240±2 | 10 | 95 | 65 | 47.5 | 69 | 20 |
| 20 | 240±2 | 15 | 105 | 75 | 52.5 | 70 | 20 |
| 25 | 270±2 | 20 | 115 | 85 | 57.5 | 79 | 25 |
| 32 | 270±2 | 25 | 140 | 100 | 70 | 83.5 | 25 |
| 40 | 310±2 | 32 | 150 | 110 | 75 | 100 | 27 |
| 50 | 310±2 | 40 | 165 | 125 | 82.5 | 106.5 | 27 |
| 65 | 310±3 | 50 | 185 | 145 | 92.5 | 129.5 | 38 |
| 80 | 310±3 | 65 | 200 | 160 | 100 | 142 | 38 |
| 100 | 335±3 | 80 | 235 | 190 | 117.5 | 155 | 38 |
| 125 | 360±3 | 100 | 270 | 220 | 135 | 199.5 | 129 |
| 150 | 400±3 | 123 | 300 | 250 | 150 | 219 | 129 |
| 200 | 530±3 | 150 | 360 | 310 | 180 | 276.5 | 221 |
| 250 | 645±3 | 200 | 425 | 370 | 212.5 | 336.5 | 221 |
| 300 | 699±4 | 250 | 485 | 430 | 242.5 | 374 | 250 |
| 350 | 762±4 | 300 | 555 | 490 | 277.5 | 361.5 | 305 |
| 400 | 838±4 | 350 | 620 | 550 | 310 | 401 | 305 |
| 450 | 914±4 | 350 | 670 | 600 | 335 | 406 | 362 |
| 500 | 991±5 | 400 | 730 | 660 | 365 | 457.5 | 370 |
| 600 | 1143±5 | 500 | 845 | 770 | 422.5 | 524 | 370 |
Applications
Suitable Operating Conditions
1. City Gas: Gas output pipelines, main lines, and branch supply pipelines, etc.
2. Central Heating: Output pipelines, main lines, and branch lines of large-scale heating equipment.
3. Heat Exchangers: Pipelines and circuit opening/closing.
4. Steel Plants: Various fluid pipelines, waste gas discharge pipelines, gas and heat supply pipelines, and fuel supply pipelines.
5. Various Industrial Equipment: Various heat treatment pipelines, and various industrial gas and heat pipelines.
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