
01
CONSTRUCTION
Materials / Main Components
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | Ductile iron/CS/SS |
| 2 | Disc | Ductile iron/CS/SS |
| 3 | Spring | SS304/SS316 |
| 4 | Shaft | 20Cr13/SS316 |
| 5 | Shaft | 20Cr13/SS316 |
| 6 | Plug | Carbon Steel/SS304/SS316 |
| 7 | Ring | PTFE/EPDM |
| 8 | Ring | PTFE/EPDM |
| 9 | Bolt | Carbon Steel/SS304/SS316 |
| 10 | Seat | EPDM/NBR |
02
RATING & STANDARDS
Main Technical Parameters
- Nominal pressure
- PN10/PN16/PN25/PN40/PN64, 125LB/150LB
- Face to face standard
- GB/T12221-2005, API594
- Test standard
- GB/T13927-2008, API598
- Applicable media
- Water, oil, gas, etc
- Material qualification
- Additional shaft material designation requires confirmation. Listed alternatives do not establish availability for every configuration.
03
SECTIONAL ILLUSTRATIONS
Sectional Illustrations

04
OPERATING LIMITS
Pressure Conditions
Listed operating and test pressures depend on the selected configuration. Confirm the applicable values and service conditions against the approved product submittal before selection.
| Size | Max Pressure (bar) | Min/Max Temp (°C) | Test Pressure (bar) / Shell | Test Pressure (bar) / Seat |
|---|---|---|---|---|
| DN50-DN600 | 10.0/16.0 | -10°C+100°C | 15.0/24.0 | 11.0/17.6 |
05
DIMENSIONAL DATA
Dimensions
Scroll horizontally to view all dimensions.
DN800 outside diameter ΦA requires confirmation from an approved drawing. Dimensional sizes outside DN50-DN600 do not extend the stated pressure-condition range.
| DN(mm) & INCH | ΦA | ΦE | B | GR | F |
|---|---|---|---|---|---|
| 40(1½") | 82 | 57 | 43 | 25 | 19 |
| 50(2") | 101 | 65 | 43 | 28.8 | 19 |
| 65(2½") | 121 | 80 | 46 | 36.1 | 20 |
| 80(3") | 131 | 94 | 64 | 43.4 | 28 |
| 100(4") | 156 | 117 | 64 | 52.8 | 27 |
| 125(5") | 187 | 145 | 70 | 65.7 | 30 |
| 150(6") | 217 | 170 | 76 | 78.6 | 31 |
| 200(8") | 267 | 224 | 89 | 104.4 | 33 |
| 250(10") | 328 | 265 | 114 | 127 | 50 |
| 300(12") | 375 | 310 | 114 | 148.3 | 43 |
| 350(14") | 420 | 360 | 127 | 172.4 | 45 |
| 400(16") | 483 | 410 | 140 | 197.4 | 52 |
| 450(18") | 538 | 450 | 152 | 217.8 | 58 |
| 500(20") | 593 | 505 | 152 | 241 | 58 |
| 600(24") | 714 | 624 | 178 | 295.6 | 73 |
| 700(28") | 820 | 720 | 229 | 338.5 | 98 |
| 800(32") | Not specified — confirm | 825 | 241 | 385.5 | 100 |
| 900(36") | 927 | 926 | 241 | 428.5 | 100 |
| 1000(40") | 1158 | 1030 | 300 | 500 | 110 |
| 1200(48") | 1380 | 1200 | 350 | 586 | 148 |
Verify the selected configuration and service duty against the approved product submittal.