涡轮法兰式蝶阀

technique parameters：

 

Nominal diameter：  DN50-DN1200

 

face-face standard：EN558 Series 20

    ISO 5752 Series 20

    API 609 Table 1

 

flange connection： EN 1092 PN10/16

    ASME Class 150

 

flange seal：       EN 1092 Form A/B

    ASME RF,FF

 

top flange：     EN ISO 5211

 

seal standard：     EN 12266

    ISO 5208

 

working pressure：  biggest 16bar

 

Product features:

1.complete two-way seal.

2.precise machining on both valve body and disc,ensuring small torque and long life.

3.Three bushings on valve shaft to prevent skew; even after many years usage,still ensure very high positioning precision. 4.Four flange positioning holes ensuring the correct position of valve when installing.

 

Application industry：

1.Chemical and petroleum.

2.Water processing and waste water processing.

3.transmission of gas.

4.ship building.

5.Power plant project,Environment protection project and thermal engineering project.