Butt welded hard seal butterfly valve
Butt welded hard seal butterfly valve
Nominal pass: DN100 ~ 1000mm, NPS4 "~ 48"
Nominal pressure: Strength test (1.5 × PN) Sealed test (1.1 × PN)
Suitable temperature: Carbon steel: -29 ℃ ~ 425 ℃, stainless steel : -40 ℃ ~ 650 ℃
Suitable medium: water, hot water, steam, oil
Drive Type: worm gear, electric, pneumatic, hydraulic
Welding standards: GB12224, ANSI B16.25, DIN2559
On the characteristics of hard-sealing butterfly valve
1, the use of three eccentric butterfly valve can be called the top process valve, the design of the valve for high temperature, high pressure, fire-resistant foam sealing ideal sealing valve.
2, due to the use of welding structure, so that the valve and the pipeline plane to achieve a permanent zero leakage.
3, the valve can not be flanged, bringing great convenience and beautiful appearance to the pipe and insulation bandaging.
On the hard-sealed butterfly valve main technical parameters
| Nominal diameter DN (mm) | DN (100 ~ 400) mm, in4 ~ 48 |
| Nominal pressure PN (MPa) | Strength test (1.5 × PN) Seal test (1.1 × PN) |
| proper temperature | Carbon steel: -29 ℃ ~ 425 ℃, stainless steel: -40 ℃ ~ 650 ℃ |
| Suitable media | Water, steam, hot water, oil |
| Drive mode | Worm gear, electric, pneumatic, hydraulic |
| Pressure Level | ANSI 150Lb / PN25 |
| Welding standards | GB12224, ANSI B16,25, DIN2559 |
The main components of the material
| Part Name | material |
| Body | Carbon steel, stainless steel, chrome-aluminum steel |
| Butterfly plate | Carbon steel, alloy steel, stainless steel |
| Seat | 3 stainless steel, cobalt-based cemented carbide |
| Sleeve | stainless steel |
| Valve stem | Stainless steel, special materials |
| Filler | Flexible graphite |
D363H / 663H / 963H / -10 / 16/25/40 / C, P, R On the hard seal butterfly valve connection size
| Nominal diameter | Main dimensions | Nominal diameter | Main dimensions | ||||||
| in | DN (mm) | L | H1 | H | in | DN (mm) | L | H1 | H |
| 4 | 100 | 190 | 270 | 370 | 18 | 450 | 330 | 535 | 820 |
| 5 | 125 | 200 | 295 | 390 | 20 | 500 | 350 | 560 | 900 |
| 6 | 150 | 210 | 308 | 416 | 24 | 600 | 390 | 630 | 980 |
| 8 | 200 | 230 | 370 | 530 | 28 | 700 | 430 | 670 | 1100 |
| 10 | 250 | 250 | 450 | 580 | 32 | 800 | 470 | 800 | 1300 |
| 12 | 300 | 270 | 465 | 630 | 36 | 900 | 510 | 850 | 1370 |
| 14 | 350 | 290 | 475 | 595 | 40 | 1000 | 550 | 880 | 1480 |
| 16 | 400 | 310 | 505 | 755 | 48 | 1200 | 630 | 1000 | 1690 |
| Address: No.8-7, Runyang New Town, No.507, Jiankang West Street, Weicheng District, Weifang, Shandong | 
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