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Flange-Connection Heating Ball Valve
Flange-connection heating ball valve features
The product bears favorable heat-preservation and cold-insulation specialties. In addition, the all-diameter of the valve is identical to pipe diameter to reduce the heat loss effectively from those medium in the pipeline. It is applied mainly to transport the full-bodied mediums, which solidify under normal temperature in such fields as petroleum industry, chemical industry, metallurgical industry, pharmaceutical industry, food industry, etc.
For the monolithic construction is applied in the product’s design, the jacket valve with favorable sealing performance features by smaller configuration and weight than traditional ball valves without leakage. More overpressure-resistant and firmer capacities are also enjoyed by the jacket made through carbon steel welding than that through casting.
Flange-connection heating ball valve brief figure of structure
Flange-connection heating ball valve main parts materialsTop of page
No. |
Accessory name | Material | |
| GB | ASTM | ||
| 1 | Jacket | 25 | A105 |
| 2 | Seat | WCB | A216-WCB |
| 3 | Body | 25 | A105 |
| 4 | Sealing Ring | PTFE、Counterpoint polyphony | |
| 5 | Ball | ||
| 6 | Stem | 1Cr13 | A247-410 |
| 7 | Stuffing | Graphite | |
| 8 | Gland | WCB | A216-WCB |
Notes: Main parts of the valve series and materials of sealing surface differ according to actual working condition and customer’s special requirements.
Flange-connection heating ball valve technical specificationsTop of pageDesign Standard |
ASME B 16.34 GB/T 12224 |
| Structural length | ASME B 16.10 GB/T 12221 |
| Connecting flange | ASME B 16.5、JB/T 79 |
| Driving manner | Manual, Motor driving, Pneumatic |
| Test & Inspection | JB/T9092 API 598 |
| Applicable medium | Heavy oil, glue and other easy-clotting medium |
Notes: The sizes of serial valve connecting flange can be designed according to customer’s requirements.
Flange-connection heating ball valve main type and connection dimensionsTop of pageNominal diameter |
d | L | D | E | Q | H | W | Pipe thread | ||
| (mm) | (in) | (mm) | (in) | P | ||||||
| 20 | 3/4" | 19 | 117 | 40 | 1 1/2" | 58.5 | 147 | 101 | 170 | G 3/4" |
| 25 | 1" | 25 | 127 | 50 | 2" | 62.5 | 156 | 106 | 170 | G3/4" |
| 40 | 1 1/2" | 38 | 165 | 65 | 2 1/2" | 63.5 | 181 | 125 | 250 | G3/4" |
| 50 | 2" | 51 | 178 | 80 | 3" | 68 | 218 | 135 | 250 | G3/4" |
| 80 | 3" | 76 | 229 | 150 | 6" | 82 | 275 | 193 | 350 | G3/4" |
| 100 | 4" | 102 | 254 | 200 | 8" | 83 | 300 | 265 | 420 | G3/4" |
| 150 | 6" | 152 | 292 | 250 | 10" | 95 | 403 | 355 | 1000 | G3/4" |
| 200 | 8" | 203 | 330 | 300 | 12" | 100 | 492 | 410 | 1300 | G3/4" |
| Remarks | Flange dimension refer to the sample book of form of main types and connection dimensions, according to the corresponding diameter |
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