DYQ340F Eccentric semi-ball valve
Summary:
Sealed performance is good: metal seat end set spring to ensure that the sealing surface have enough jacking force, valve sealing surface wear during operation, in the spring under the action of the valve to ensure good sealing performance;And when the medium pressure high, medium in the sphere of unbalanced force to guarantee seal.
Structural characteristics and USES
1, good sealing performance, metal seat end set spring to ensure that the sealing surface have enough jacking force, valve sealing surface wear during operation, in the spring under the action of the valve to ensure good sealing performance;And when the medium pressure high, medium in the sphere of unbalanced force to guarantee seal.
2, adopt the bottoms stem, set the sealing structure, to ensure reliable sealing packing.
3, top design: just need remove the cover for repair or replacement parts.
4, widely used in dust, particles, such as high viscosity medium.
Execution standard
1, design and manufacturing: GB/T12237-1989.AP1608.
2, inspection and testing: GB/T13927-1992.AP1598.
3, flange connection: JB/T79.1 ~ 2-1994;ASME/ANSIB16.10
The performance specification Test pressure units: MPa
|
Nominal pressure PN |
Room temperature maximumPressure of work |
shell Test pressure |
Gas seal Test pressure |
High pressure seal Test pressure |
|
1.6 |
1.6 |
2.4 |
0.6 |
1.76 |
|
2.5 |
2.5 |
3.8 |
0.6 |
2.75 |
|
4.0 |
4.0 |
6.0 |
0.6 |
4.4 |
|
6.4 |
6.4 |
9.6 |
0.6 |
7.1 |
|
10.0 |
10.0 |
15.0 |
0.6 |
11.0 |
|
Class150 |
2.0 |
3.0 |
0.6 |
2.2 |
|
Class300 |
5.0 |
7.5 |
0.6 |
5.5 |
|
Class600 |
10.0 |
15.0 |
0.6 |
11.0 |
