INDUSTRIAL VALVES & FLOW CONTROL TECHNICAL DATA
MODEL SG-051-2
Double-Orifice Air Release Valve
Product enquiry
01
CONSTRUCTION
Materials / Main Components
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | Ductile iron/CS/SS |
| 2 | Big floating ball | ABS/GGG50+EPDM |
| 3 | Small floating ball | ABS/GGG50+EPDM |
| 4 | O Ring | NBR/EPDM |
| 5 | Bonnet | Ductile iron/CS/SS |
| 6 | Bolts | Carbon SteelSS304/SS316 |
| 7 | Washers | Carbon SteelSS304/SS316 |
| 8 | O Ring | NBR/EPDM |
| 9 | Exhaust end cover | Ductile iron/CS/SS |
| 10 | Exhaust Nut | Carbon SteelSS304/SS316 |
02
RATING & STANDARDS
Main Technical Parameters
- Nominal pressure
- PN10/PN16/PN25, 125LB/150LB
- Flange connection standard
- GB/T17241.6, GB/T9113-2010, EN1092-2, ANSI B16.5
- 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 Temp (°C) | Test Pressure (bar) / Shell | Test Pressure (bar) / Seat |
|---|---|---|---|---|
| DN50-DN200 | 10.0/16.0/25.0 | -10°C+100°C | 15.0/24.0/37.5 | 11.0/17.6/27.5 |
05
DIMENSIONAL DATA
Dimensions
Scroll horizontally to view all dimensions.
Dimensions without a verified symbol are omitted; confirm against an approved drawing. The pressure-condition range is DN50-DN200 and is not extended by the DN40 dimension row.
| DN(mm) & INCH | A / PN10/16/25 | B / PN10/16/25 | D / PN10/16 | D / PN25 | K / PN10/16 | K / PN25 | G / PN10/16 | G / PN25 | n-Φd / PN10/16 | n-Φd / PN25 | b / PN10/16 | b / PN25 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40(1½") | 250 | 140 | 150 | 150 | 110 | 110 | 84 | 84 | 4-19 | 4-19 | 19 | 19 |
| 50(2") | 250 | 140 | 165 | 165 | 125 | 125 | 99 | 99 | 4-19 | 4-19 | 19 | 19 |
| 65(2½") | 250 | 140 | 185 | 185 | 145 | 145 | 118 | 118 | 4-19 | 4-19 | 19 | 19 |
| 80(3") | 325 | 180 | 200 | 200 | 160 | 160 | 132 | 132 | 8-19 | 8-19 | 19 | 19 |
| 100(4") | 325 | 180 | 220 | 235 | 180 | 190 | 154 | 156 | 8-19 | 8-23 | 19 | 19 |
| 125(5") | 440 | 247 | 250 | 270 | 210 | 220 | 184 | 188 | 8-19 | 8-28 | 19 | 23.5 |
| 150(6") | 440 | 247 | 285 | 300 | 240 | 250 | 210 | 210 | 8-23 | 8-28 | 20 | 26 |
| 200(8") | 612 | 327 | 340 | 360 | 295 | 310 | 265 | 274 | 12-23 | 12-28 | 30 | 30 |
Verify the selected configuration and service duty against the approved product submittal.