Application:City Gas:gas outlet pipe,supply pipe for main line and all brach lines etc.District heat supply:Outlet pipe,main line and brach line for large heat supply equipment.Heat exchanger:on-off of pipe and all loops...
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A fully welded ball valve is a valve with a fully welded structure, where the valve body, seat, and ball are all connected as a single unit through welding technology. This design not only enhances the valve's strength and sealing performance but also ensures stable operation under harsh conditions such as high pressure and high temperature. Fully welded integral ball valves are widely used in industries such as oil, chemical, and natural gas, making them essential equipment in these sectors.
● Compact Structure: The fully welded ball valve features an integrated design that reduces the number of connecting parts, making the overall structure more compact and space-efficient, which facilitates installation and maintenance.
● Excellent Sealing: The welding connection method eliminates potential leakage issues found in traditional connections, enhancing the valve's sealing performance and ensuring the stable flow of media in the pipeline.
● Strong Corrosion Resistance: The ball valve body is typically made from corrosion-resistant materials like stainless steel, effectively resisting the erosion of various corrosive media and extending its service life.
Body: ST37.8 / A105 / LF2 / F304 / F316. Etc.
Ball : F304 / F316 ( Option upon request )
Seat: PTFE+C / Nylon / PEEK. Etc.
Main External Dimensions.
| Size | A | B | L | D | D1 | D2 | E | |
| in | mm | mm | mm | mm | mm | mm | mm | |
| 8 | 200 | 243 | 400 | 400 | 150 | 219.1 | 267 | 315 |
| 10 | 250 | 252 | 500 | 560 | 200 | 273.1 | 356 | 346 |
| 12 | 300 | 236 | 500 | 635 | 250 | 323.9 | 457 | 402 |
| 14 | 350 | 331 | 600 | 650 | 300 | 355.6 | 508 | 491 |
| 16 | 400 | 331 | 600 | 760 | 337 | 406.4 | 559 | 479 |
| 18 | 450 | 331 | 600 | 842 | 337 | 457.2 | 559 | 479 |
| 20 | 500 | 360 | 700 | 910 | 387 | 508.0 | 680 | 540 |
| 22 | 550 | 360 | 700 | 1092 | 438 | 559.0 | 718 | 577 |
| 24 | 600 | 413 | 800 | 1065 | 489 | 609.6 | 812 | 662 |
| 26 | 650 | 413 | 800 | 1245 | 541 | 660.4 | 898 | 755 |
| 28 | 700 | 433 | 900 | 1346 | 591 | 711.2 | 1016 | 790 |
| 30 | 750 | 433 | 900 | 1397 | 635 | 768.0 | 1020 | 790 |
| 32 | 800 | 433 | 900 | 1524 | 686 | 812.8 | 1095 | 860 |
| 34 | 850 | 433 | 900 | 1625 | 737 | 863.6 | 1172 | 793 |
| 36 | 900 | 433 | 900 | 1727 | 781 | 914.4 | 1237 | 913 |
| 40 | 1000 | 433 | 900 | 1900 | 874 | 1016.0 | 1385 | 865 |
| 44 | 1100 | 550 | 900 | 2000 | 976 | 1117.6 | 1600 | 970 |
| 48 | 1200 | 550 | 900 | 2100 | 1020 | 1219.2 | 1700 | 975 |
| 52 | 1300 | 550 | 900 | 2200 | 1166 | 1320.8 | 1967 | 980 |
| 56 | 1400 | 550 | 900 | 2300 | 1262 | 1422.4 | 2100 | 990 |
| Pressure Rating | 150-600lb,1.6-4.0 Mpa |
| Connecting Size | 1/2"-40",DN15-1000mm |
| Connecting type | Thread,Welding,Flange,etc |
| Applicable Temp(ºC) | -19-150 |
| Applicable Medium | Water,Oil,Natural gas,etc |
| Operating Mode | Lever,Gear,Electric,Pneumatic,etc |
Q1:What is the main suitable of this valve?
This product is especially suitable for steel, aluminum, fiber, small solid particles, pulp, coal ash, petroleum gas and other media.
Q2:What mechanical principle is used?
The mechanical principle of the fully welded ball valve lies in its sophisticated design, which ensures reliable fluid control. The valve features a spherical disc, or ball, with a bore that can be rotated 90 degrees between open and closed positions. When the bore is aligned with the pipeline, fluid flows freely through the valve.
Our fully welded ball valve stands out for several compelling reasons. Firstly, its robust construction ensures long-term durability and reliability, withstanding the harshest industrial environments. Secondly, the seamless welding technology eliminates potential leak points, enhancing overall safety and performance. Lastly, our commitment to quality and innovation ensures that this valve meets the latest industry standards, offering you the best value for your investment.
