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Double flange type

Face to face length acc.to ISO5752 Series 14(DIN3202 F4)

Flange dimensions and drillings acc.to ISO7005-2(EN1090-2,DIN2501)

1.Size:from 100 to 3600,

2.Pressure:PN10 to PN40,

3.Material:Ductile iron,WCB,Stainless steel etc,

4.EPDM/NBR seat .

5.Suitable medium:water and low-corrosive liquid etc.

6.Suitable temperature:-10--120°c

Characteristic

1.Bi-directional rubber seated function,specially suitable for the working condition with two-way medium flow direction.

2.With the eccentric sealing structure,the valve posseses the function of more closing more tight,and reliable sealing performance.

3.The material of valve body and butterfly disc main body is nodular cast iron,sealing material is stainless acid-proof steel and butane oil-proof rubber and long life usage.

4.The valve axle adopts semi-axle structure; butterfly disc structure is truss type,high strong butterfly board,big flow area,small resistance and little consumption of energy.