INDUSTRIAL VALVES & FLOW CONTROL TECHNICAL DATA
MODEL SG-051-4
Composite Air Release Valve
Product enquiry
01
CONSTRUCTION
Materials / Main Components
| No. | Part Name | Material |
|---|---|---|
| 1 | Rain-proof cover | Ductile iron/CS/SS |
| 2 | Supporting yoke | Ductile iron/CS |
| 3 | Guide rod piston | SS304/SS316 |
| 4 | Seal ring | EPDM/NBR |
| 5 | Seal ring gland | SS304/SS316 |
| 6 | Seal gasket ring | PTFE |
| 7 | Seal head | EPDM/NBR |
| 8 | Protecting barrel | SS304/SS316 |
| 9 | Floating ball | SS304/SS316 |
| 10 | Body | Ductile iron/CS/SS |
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
- Material qualification
- An additional supporting-yoke material designation requires confirmation.
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-DN300 | 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.
Flange outside diameter D requires confirmation for the selected pressure class; the ambiguous D values are not listed.
| DN(mm) & INCH | K / PN10/16 | K / PN25 | G / PN10/16 | G / PN25 | z-Φd / PN10/16 | z-Φd / PN25 | H |
|---|---|---|---|---|---|---|---|
| 50(2") | 125 | 125 | 99 | 99 | 4-19 | 4-19 | 330 |
| 80(3") | 160 | 160 | 132 | 132 | 8-19 | 8-19 | 360 |
| 100(4") | 180 | 190 | 154 | 156 | 8-19 | 8-23 | 360 |
| 150(6") | 240 | 250 | 210 | 210 | 8-23 | 8-28 | 440 |
| 200(8") | 295 | 310 | 265 | 274 | 12-23 | 12-28 | 470 |
| 250(10") | 350/355 | 370 | 319 | 330 | 12-23/12-27 | 12-31 | 580 |
| 300(12") | 400/410 | 430 | 370 | 389 | 12-23/12-27 | 16-31 | 730 |
Verify the selected configuration and service duty against the approved product submittal.