Fully Welded Ball Valve
The Fully Welded Ball Valve is engineered for superior performance across a wide range of industrial applications. With a versatile nominal diameter spanning from DN50 to DN1600 and robust pressure ratings up to PN250 and CL1500, this valve is built to handle demanding conditions.
Nominal Diameter: DN50—DN1600
Pressure Rating: PN16-PN64, CL150-CL600
Body Material: A105, Q235B, Q345, F304, F316, F304L, F316L
Ball Material: A105+ENP, F304, F316, F304L, F316L
Seal Material: VITON, EPDM, PTFE, RPTFE, NYLON, MOLON, DEVLON, PPL, PEEK
Stem Material: 4140, 20Cr13, F304, F316, F304L, F316L, 17-4PH, F53M-19
Applicable Temperature: -29°C to 425°C
Applicable Medium: Water, Oil, Gas
Product Technical Specifications
| Model | YGL41W |
|---|---|
| Design Standard | GB/T 12224 |
| Connection End Standard | JB/T 79.1 GB/T9124.1 HG/T20592 |
| Face to Face Standard | GB/T 12221 |
| Pressure Test Standard | GB/T 13927 |

Technical Parameters
| Shell material | Carbon steel brass | Stainless steel |
|---|---|---|
| Filter box filter material | Stainless steel | |
| Seal material | Oil resistance asbestos, NBR, PTFE | |
| Working temperature (°C) | -30~380 | -80~450 |
| Connection form | Flanged, welded connections, threaded connection | |
| Nominal pressure (MPa) | 0.6~5.0 | |
| Filtration accuracy (in) | 10~300 | |
| DN | NPS (in) | L | H | H1 | Effective filtration area m2 |
|---|---|---|---|---|---|
| 15 | 1/2 | 145 | 70 | 150 | 0.00185 |
| 20 | 3/4 | 150 | 70 | 150 | 0.00281 |
| 25 | 1 | 155 | 80 | 160 | 0.00343 |
| 32 | 2 1/4 | 180 | 90 | 180 | 0.00486 |
| 40 | 2 1/2 | 200 | 100 | 240 | 0.00767 |
| 50 | 2 | 220 | 130 | 250 | 0.01160 |
| 65 | 2 1/2 | 250 | 165 | 350 | 0.02111 |
| 80 | 3 | 280 | 195 | 390 | 0.03029 |
| 100 | 4 | 320 | 230 | 450 | 0.04063 |
| 125 | 5 | 370 | 300 | 520 | 0.05589 |
| 150 | 6 | 430 | 335 | 580 | 0.07709 |
| 200 | 8 | 495 | 420 | 690 | 0.11967 |
| 250 | 10 | 550 | 500 | 800 | 0.19155 |
| 300 | 12 | 640 | 580 | 950 | 0.26738 |
| 350 | 14 | 700 | 640 | 1150 | 0.32535 |
| 400 | 16 | 800 | 700 | 1360 | 0.40946 |
| 450 | 18 | 850 | 790 | 1480 | 0.52837 |
| 500 | 20 | 900 | 875 | 1650 | 0.65385 |
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