Jacketed ball valves are mainly used in the industries of petroleum, chemicals, pharmaceuticals, metallurgy, electric power and etc. to handle high viscosity medium that can be solidified at ordinary temperature. The jacket of ball valve is welded between the seal faces at both ends of the valve. On the side and at the bottom of the valve there are standard connection ports for jacket. Provided with a jacket, the types of end connection may be flanged and wafer. Steam or other heat insulating mediums may freely pass through the jacket, to ensure pasty mediums smoothly through the valve.
To prevent the pasty medium in pipeline from being solidified and to lower the heat loss of the low-temperature medium in pipeline.
The carbon steel pipe welded jackets are more over pressure resistance and reliable than cast ones.
Due to the conformity of valve diameter and pipe inside diameter, medium makes linear flow of low resistance, most suitable for easily solidified and highly viscous liquid mediums.
One-piece structure of ball valve body, small volume and light weight compared with their counterparts.
| Category | API Series |
|---|---|
| Design Codes | ANSI B16.34 |
| Pressure / Temperature Rating | ANSI B16.34 |
| Face to Face Dimensions | ASME B16.10 |
| Flange Ends | ASME B16.5 |
| Inspection and Test | API 598 |
| No. | Part Name | Material (ASTM) |
|---|---|---|
| 1 | Body | A216 WCB |
| 2 | Ends (Socket) | A105 |
| 3 | Jacketed | A105 |
| 4 | Locking Nut | A105 |
| 5 | O-Ring | Viton |
| 6 | Seat Ring | PTFE / RPTFE / Nylon / PEEK |
| 7 | Ball | A105 + ENP / F304 |
| 8 | Stem | A182 F6a |
| 9 | Gasket | PTFE + SS |
| 10 | Packing Seat | A182 F6a |
| 11 | Packing | Flexible Graphite / PTFE |
| 12 | Packing Gland | A216 WCB |
| 13 | Screw | A193 B7 |
| 14 | Stop Plate | Q235 + Zn |
| 15 | Snap Ring | 65Mn |
| 16 | Screw | A193 B7 |
| 17 | Lever | Q235 + Zn |
PN 1.0/1.6Mpa CLASS150
| DN | NPS | A | A1 | do | H | H1 | H2 | H3 | W | M | L | L1 | E | Flange Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 1/2 | 110 | 50 | 15 | 63 | 101 | 126 | / | 130 | ZG3/4 | 147 | 110 | 58.5 | DN40 (1 1/2) | 7.04 |
| 20 | 3/4 | 117 | 55 | 20 | 82 | 101 | 126 | / | 160 | ZG3/4 | 147 | 117 | 58.5 | DN40 (1 1/2) | 7.74 |
| 25 | 1 | 127 | 60 | 25 | 85 | 106 | 137 | / | 160 | ZG3/4 | 156 | 127 | 63.5 | DN50 (2) | 10.7 |
| 40 | 1 1/2 | 165 | 80 | 40 | 100 | 125 | 169 | / | 230 | ZG3/4 | 181 | 165 | 62.5 | DN65 (2 1/2) | 14.5 |
| 50 | 2 | 178 | 90 | 51 | 153 | 135 | 179 | 576 | 230 | ZG3/4 | 218 | 178 | 68 | DN80 (3) | 17.9 |
| 80 | 3 | 229 | 120 | 76 | 195 | 217 | 258 | 643 | 400 | ZG3/4 | 275 | 229 | 82 | DN150 (6) | 37.3 |
| 100 | 4 | 254 | 140 | 102 | 213 | 265 | 322 | 715 | 700 | ZG3/4 | 300 | 254 | 83 | DN200 (8) | 56 |
| 150 | 6 | 292 | 160 | 152 | 235 | 355 | 415 | 848 | 1100 | ZG1 | 403 | 292 | 95 | DN250 (10) | 93 |
| 200 | 8 | 330 | 180 | 203 | 342 | 410 | 527 | 903 | 1500 | ZG1 | 492 | 330 | 100 | DN300 (12) | 160 |
PN 2.5/4.0Mpa CLASS300
| DN | NPS | A | A1 | do | H | H1 | H2 | H3 | W | M | L | L1 | E | Flange Size | Weight (kg) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 15 | 1/2 | 110 | 50 | 15 | 63 | 101 | 126 | / | 130 | ZG3/4 | 147 | 110 | 58.5 | DN40 (1 1/2) | 7.24 |
| 20 | 3/4 | 117 | 55 | 20 | 82 | 101 | 126 | / | 160 | ZG3/4 | 147 | 117 | 58.5 | DN40 (1 1/2) | 8.24 |
| 25 | 1 | 127 | 60 | 25 | 85 | 106 | 137 | / | 160 | ZG3/4 | 156 | 127 | 63.5 | DN50 (2) | 11.5 |
| 40 | 1 1/2 | 165 | 80 | 40 | 100 | 125 | 169 | / | 230 | ZG3/4 | 181 | 165 | 62.5 | DN65 (2 1/2) | 18.4 |
| 50 | 2 | 178 | 90 | 51 | 153 | 135 | 179 | 576 | 230 | ZG3/4 | 218 | 178 | 68 | DN80 (3) | 25.1 |
| 80 | 3 | 229 | 120 | 76 | 195 | 217 | 258 | 643 | 400 | ZG3/4 | 275 | 229 | 82 | DN150 (6) | 55.4 |
| 100 | 4 | 254 | 140 | 102 | 213 | 265 | 322 | 715 | 700 | ZG3/4 | 300 | 254 | 83 | DN200 (8) | 76.4 |
| 150 | 6 | 292 | 160 | 152 | 235 | 355 | 415 | 848 | 1100 | ZG1 | 403 | 292 | 95 | DN250 (10) | 118 |
| 200 | 8 | 330 | 180 | 203 | 342 | 410 | 527 | 903 | 1500 | ZG1 | 492 | 330 | 100 | DN300 (12) | 200 |
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