Flange-connection stiff metallic sealing ball valve construction features
Process through special techniques, the globe body and valve seat are applicable especially to high-temperature and the medium containing dusts and solid particles.
a. The compensatory movable valve seat construction designed especially made of metal is of great reliability in its sealing performance.
b. The ball valve series should be applied in accordance to the specific flow direction.
c. Multiple driving devices could be prepared for the series.
a. The compensatory movable valve seat construction designed especially made of metal is of great reliability in its sealing performance.
b. The ball valve series should be applied in accordance to the specific flow direction.
c. Multiple driving devices could be prepared for the series.
Flange-connection stiff metallic sealing ball valve main parts and materials
| NO. | Accessory name | Material | |
| GB | ASTM | ||
| 1 | Body | WCB | A216-WCB |
| 2 | Sealing Ring | Flexible Graphite | Flexible Graphite |
| 3 | Seat | 1Cr18Ni9Ti | 304 |
| 4 | Ball | 2Cr13 | A276-420 |
| 5 | Nut | 35 | A194-2H |
| 6 | Stud | 35CrMoA | A193-B7 |
| 7 | Gasket | 1Cr18Ni9Ti | 304 |
| 8 | Spring | 60Si2Mn | AISI 9260 |
| 9 | Gasket | Graphite +stainless steel | B12.10-304/F.G |
| 10 | Stuffing | Graphite PTFE | Graphite PTFE |
| 11 | Gland | WCB | A216- WCB |
| 12 | Ring | 65Mn | AISI 1066 |
| 13 | Stem | 1Cr13 | A276-410 |
| 14 | Screw | 35 | A193-B7 |
Flange-connection stiff metallic sealing ball valve performance specifications of the products
| Pressure Rating | Nominal Pressure (PN) | Pound Grade (Class) | ||||||||
| 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 150 | 300 | 400 | 600 | ||
|
Test Pressure (Mpa) |
Shell Test | 2.4 | 3.75 | 6.0 | 9.6 | 15.0 | 3.03 | 7.5 | 10.2 | 15.0 |
| Pressure Test | 1.76 | 2.75 | 4.4 | 7.04 | 11.0 | 2.2 | 5.5 | 7.48 | 11.0 | |
|
Applicable Operating Model |
Applicable Medium | Pulps like paper pulp, dusts, and medium with solid particles | ||||||||
| Applicable Temperature | -196~≤550℃ | |||||||||
|
Applicable Specifications |
The designing and manufacturing work follows | GB12237-89 API 6D JP17S-48 | ||||||||
| Flange dimension follows | JB79-59, GB9113, HG20592-97 ANSI B16.5 JIS B2212-2214 | |||||||||
| Physical dimension follows | GB12221-89 ANSI b16.10 JIS B2002 | |||||||||
| Test and inspection follows | JB/T9092-99 API598 | |||||||||