Double Block and Bleed Ball Valve
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Description
Double Block and Bleed Ball Valve
Body: A105, F304, F316, F316L, F51
Bonnet :A105
Ball: A105, F304, F316, F316L, F51
Seat: F316L
Stem: F51
Seat Ring: F51
O Ring: VITON
Thrust Washer: PTFE
Bearing: PTFE+SS304
Gasket: SS304+Graphite
Body Cap: A105
Nominal Diameter: DN10 to DN400
Nominal Pressure: Class900 to Class2500
Temperature Range: -196°C to 650°C
Ball Valve Design: API6D, BS5351, ASME B16.34
Face to face: ASME B16.10, AP6D
End Flange: ASME B16.5/ASME B16.47
Buttweld End: ASME B16.25
Fire Safety: API607, API6A
Inspection and test: API 598, API6D
Dimension
Class900 Unit: mm
| DN | Φq | L | ΦD | ΦK | ΦR | B | f | ΦP | E | F | N-Φ |
| 10 | 252 | 1380 | 545 | 469.9 | 362 | 69.9 | 7.92 | 323.9 | 7.92 | 11.91 | 16-38.1 |
| 12 | 303 | 1550 | 610 | 533.4 | 419 | 79.4 | 7.92 | 381 | 7.92 | 11.91 | 20-38.1 |
| 20 | 471 | 2050 | 855 | 749.3 | 648 | 108 | 12.7 | 584.2 | 12.7 | 19.84 | 20-54 |
| 24 | 570 | 2520 | 1040 | 901.7 | 772 | 139.7 | 15.88 | 692.1 | 15.88 | 26.97 | 20-66.7 |
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