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Help CenterBV-DS 124 ISO EN Double Flange Large Size Valve Dn1200
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ISO EN double flange large size valve dn1200
Description of large size valve:
This large size valve is mainly suitable for water plants, power plants, steel mills, smelting, chemical industry, water source engineering, environmental infrastructure projects such as dewatering system, especially in waterway on the pipeline, used as adjustment and the closure device.Compared with the center line butterfly valve, double eccentric butterfly valve more resistant to high pressure, longer life and good stability.
Material of main parts and technical data of large size valve:
Size |
DN50-DN3000 |
End flange |
ANSI B 16.1, EN 1092, AS 2129 |
Face to face |
ANSI B 16.10 |
Top flange |
ISO 5211 |
Normal pressure |
DN50-DN3000 PN1.0/1.6MPa (150/200PSI) |
Body |
CI/DI/WCB/ALB/CF8/CF8M |
Disc |
DI/ALB/CF8/CF8M/Rubber lined Disc/ 1.2501/1.4529/Hastelloy Alloy |
Stem |
416/304/316/431/17-4PH |
Seat |
EPDM/NBR/Viton/PTFE/Silicon/Hypalon |
Suitable Temperature |
-10°C-121°C |
Apply |
Fresh water, sewage, sea water, air, vapor, food, medicine, oils. acids, alkalis, salt etc. |
Specifications of double flange double eccentric butterfly valve:
1.Double flange,double eccentric
2.Face to face length as per ISO 5752 series 14
3.Face to face length acc. to ISO5752 series 14
4.Flange connection as per DIN2501
5.Body, disc and cover of ductile iron GGG
6.Seal ring on body of SS304/SS316
7.Seal ring on disc of EPDM/NBR
8.Bolts and nuts of SS304
9.Inside and outside of fusion epoxy bonded coating
10.with manual operation or electric or hydraulic operation
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