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Current position:Home >> Products >> Butterfly valve >> 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)  H1  in  DN (mm)  H1 
100  190  270  370  18  450  330  535  820 
125  200  295  390  20  500  350  560  900 
150  210  308  416  24 600  390  630  980 
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 
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai

Hotline:+86-21-69755076   59755666   69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075     E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.        cpw887.cn
HuICP No. 11031085-3    No.31011802002466    Technical support:Fengsheng technology
Group address:No.342, Hesheng Yutingyuan, Xiangju Road, Qingpu District, Shanghai
Hotline:+86-21-69755076   59755666
     +86-21-69755027   69755026   57339828
Investment call: +86-15021631111
Fax:+86-21-69755075   E-mail:sales@sgfm.cn
Factory address:No. 1798, Wang Wei East Road Fengjing Development Zone Jinshan District Shanghai City
Copyright © Shen Gao Valve Group Co., Ltd.
cpw887.cn
HuICP No. 11031085-3
No.31011802002466
Technical support:Fengsheng technology