INDUSTRIAL VALVES & FLOW CONTROL TECHNICAL DATA
MODEL SG-086
Fire Protection Check Valve
Product enquiry
01
CONSTRUCTION
Materials / Main Components
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | Ductile iron/CS/SS |
| 2 | Seat | Brass/Bronze/SS304 |
| 3 | Disc | Ductile iron/CS/SS |
| 4 | Disc sealing face | Brass/Bronze/SS304 |
| 5 | Nut | Carbon Steel/SS304/SS316 |
| 6 | Rocker | Ductile iron |
| 7 | Pin shaft | SS410/SS304/SS316 |
| 8 | Gasket | Graphite/EPDM/NBR |
| 9 | Bolt | Carbon Steel/SS304/SS316 |
| 10 | Bonnet | Ductile iron/CS/SS |
| 10 | Ring | CS/SS |
02
RATING & STANDARDS
Main Technical Parameters
- Nominal pressure
- PN10/PN16/PN25/PN40/PN64, 125LB/150LB/300LB, 5K/10K/16K
- Face-to-face standard
- GB/T12221-2005; BS5153; ASME B16.10; DIN F6; EN558-1; JIS B2002
- Flange connection standard
- GB/T17241.6; GB/T9113-2010; EN1092-2; JIS B2212
- Test standard
- GB/T13927-2008; API598
- Applicable media
- Water, oil, gas, etc.
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 temperature (°C) | Shell test pressure (bar) | Seat test pressure (bar) |
|---|---|---|---|---|
| DN40-DN600 | 10.0/16.0/25.0 | -10°C+200°C | 15.0/24.0/37.5 | 11.0/17.6/27.5 |
05
DIMENSIONAL DATA
Dimensions
Scroll horizontally to view all dimensions.
| DN (mm) & inch | GB/T12221 BS5153 / L | DIN3202 F6 / L | JIS B2002 / L | ANSI B16.10 / L | EN1092-2 / PN10/16 / D | EN1092-2 / PN10/16 / K | EN1092-2 / PN10/16 / n-Φd | EN1092-2 / PN10/16 / d | EN1092-2 / PN25 / D | EN1092-2 / PN25 / K | EN1092-2 / PN25 / n-Φd | EN1092-2 / PN25 / d | ANSI B16.1 / CL125/150 / D | ANSI B16.1 / CL125/150 / K | ANSI B16.1 / CL125/150 / n-Φd | f | H |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40(1½") | 165 | 180 | - | 165 | 150 | 110 | 4-19 | 19 | 150 | 110 | 4-19 | 19 | 127 | 98.5 | 4-15 | 3 | 120 |
| 50(2") | 203 | 200 | 203 | 203 | 165 | 125 | 4-19 | 19 | 165 | 125 | 4-19 | 19 | 152 | 120.5 | 4-19 | 3 | 127 |
| 65(2½") | 216 | 240 | 216 | 216 | 185 | 145 | 4-19 | 19 | 185 | 145 | 4-19 | 19 | 178 | 139.5 | 4-19 | 3 | 151 |
| 80(3") | 241 | 260 | 241 | 241 | 200 | 160 | 8-19 | 19 | 200 | 160 | 8-19 | 19 | 190 | 152.5 | 4-19 | 3 | 165 |
| 100(4") | 292 | 300 | 292 | 292 | 220 | 180 | 8-19 | 19 | 235 | 190 | 8-23 | 19 | 229 | 190.5 | 8-19 | 3 | 178 |
| 125(5") | 330 | 350 | 330/356 | 330 | 250 | 210 | 8-19 | 19 | 270 | 220 | 8-28 | 19 | 254 | 216 | 8-22 | 3 | 205 |
| 150(6") | 356 | 400 | 356/410 | 356 | 285 | 240 | 8-23 | 19 | 300 | 250 | 8-28 | 20 | 279 | 241.5 | 8-22 | 3 | 221 |
| 200(8") | 495 | 500 | 495 | 495 | 340 | 295 | 8-23/12-23 | 20 | 360 | 310 | 12-28 | 22 | 343 | 298.5 | 12-22 | 3 | 249 |
| 250(10") | 622 | 600 | 622 | 622 | 395/405 | 350/355 | 12-23/12-27 | 22 | 425 | 370 | 12-31 | 24.5 | 406 | 362 | 12-25 | 3 | 306 |
| 300(12") | 698 | 700 | 698 | 698 | 445/460 | 400/410 | 12-23/12-27 | 24.5 | 485 | 430 | 16-31 | 27.5 | 483 | 432 | 12-25 | 4 | 330 |
| 350(14") | 787 | 787 | 787 | 787 | 505/520 | 460/470 | 16-23/16-31 | 24.5/26.5 | 555 | 490 | 16-34 | 30 | 533 | 476.5 | 12-29 | 4 | 362 |
| 400(16") | 914 | 914 | 914 | 914 | 565/580 | 515/525 | 16-28/16-31 | 24.5/28 | 620 | 550 | 16-37 | 32 | 597 | 539.5 | 16-29 | 4 | 388 |
| 450(18") | 914 | 1016 | 914 | 914 | 615/640 | 565/585 | 20-28/20-31 | 25.5/30 | 670 | 600 | 20-37 | 34.5 | 635 | 578 | 16-32 | 4 | 450 |
| 500(20") | 1016 | 1016 | 1016 | 1016 | 670/715 | 620/650 | 20-28/20-34 | 26.5/31.5 | 730 | 660 | 20-37 | 36.5 | 699 | 635 | 20-32 | 4 | 518 |
| 600(24") | 1219 | 1219 | 1219 | 1219 | 780/840 | 725/770 | 20-31/20-37 | 30/36 | 845 | 770 | 20-41 | 42 | 813 | 756 | 20-32 | 5 | 620 |
Verify the selected configuration and service duty against the approved product submittal.