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Butt welded hard seal butterfly valve

Products > Butterfly valve > Butt welded hard seal butterfly valve

Butt welded hard seal butterfly valve

Model: D363H / W
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
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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 diameterMain 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 24600 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