INDUSTRIAL VALVES & FLOW CONTROL TECHNICAL DATA
MODEL SG-041-9
Gear-Operated Wafer-Type Aluminum Butterfly Valve
Product enquiry
CONSTRUCTION
Materials / Main Components
| No. | Part Name | Material |
|---|---|---|
| 1 | Body | Aluminum |
| 2 | Disc | Ductile iron/CS/SS |
| 3 | Seat | NBR/EPDM |
| 4 | Stem | SS410/SS304/SS316 |
| 5 | Bushing | PTFE |
| 6 | O ring | NBR/EPDM |
| 7 | Worm gear | QT450-10/CS |
RATING & STANDARDS
Main Technical Parameters
- Nominal pressure
- PN10/PN16, 125LB/150LB, 5K/10K/16KCatalogue-listed classes; pressure, size and material combinations require confirmation. Refer separately to the maximum-pressure conditions.
- Face to face standard
- GB/T12221-2005, EN558-1, ISO5752
- Test standard
- GB/T13927-2008, API598
- Applicable media
- Water, oil, gas, etc
APPLICATION & CONFIGURATION
Additional Information
Mounting-interface details
Supplementary interface views illustrate the stem end and top mounting flange. Confirm dimensions using the dimensional table and approved project drawings.
SECTIONAL ILLUSTRATIONS
Sectional Illustrations


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) | Test Pressure (bar) / Shell | Test Pressure (bar) / Seat |
|---|---|---|---|---|
| DN40-DN300 | 10.0/16.0 | -10°C+100°C | 15.0/24.0 | 11.0/17.6 |
DIMENSIONAL DATA
Dimensions
Scroll horizontally to view all dimensions.
Units: mm
An inconsistent additional DN column is omitted. The unconfirmed DN300 150Lb D1A value is marked for confirmation; no corrected value is inferred.
| DN(mm) & INCH | L | 150Lb / D1A | PN16 / D1B | PN10 / D1C | 10K / D1A | 150Lb / n-Phi d | PN10/PN16 / n-Phi d | 10K / n-Phi d | H1 | H2 | H3 | H4 | S*S | D3 | D4 | N-Phi d1 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 40(1½") | 33 | 98.4 | 110 | 110 | 105 | 4-19 | 4-18 | 4-16 | 56 | 96 | 12 | 26 | 9*9 | 72 | 50/57 | 8-7 |
| 50(2") | 42.5 | 120.7 | 125 | 125 | 120 | 4-19 | 4-18 | 4-16 | 72 | 133 | 12 | 26 | 9*9 | 70 | 50/57 | 8-7 |
| 65(2½") | 46 | 139.7 | 145 | 145 | 140 | 4-19 | 8-18 | 4-16 | 86 | 142 | 12 | 26 | 9*9 | 70 | 50/57 | 8-7 |
| 80(3") | 46 | 152.4 | 160 | 160 | 150 | 4-19 | 8-18 | 8-16 | 95 | 149 | 12 | 26 | 9*9 | 70 | 50/57 | 8-7 |
| 100(4") | 52 | 190.5 | 180 | 180 | 175 | 8-19 | 8-18 | 8-16 | 108 | 173 | 15 | 28 | 11*11 | 90 | 70/70 | 8-10 |
| 125(5") | 55.4 | 215.9 | 210 | 210 | 210 | 8-22 | 8-18 | 8-20 | 125 | 182 | 18 | 28 | 14*14 | 90 | 70/70 | 8-10 |
| 150(6") | 55.8 | 241.3 | 240 | 240 | 240 | 8-22 | 8-22 | 8-20 | 139 | 199 | 18 | 28 | 14*14 | 90 | 70/70 | 8-10 |
| 200(8") | 60 | 298.5 | 295 | 295 | 290 | 8-22 | 8-22/12-22 | 12-20 | 170 | 238 | 21 | 35 | 17*17 | 125 | 102/89 | 4-12/14 |
| 250(10") | 66.5 | 362 | 355 | 350 | 355 | 12-26 | 12-22/12-26 | 12-22 | 207 | 283 | 26 | 40 | 22*22 | 125 | 102/89 | 4-12/14 |
| 300(12") | 77.5 | Not specified — confirm | 410 | 400 | 400 | 12-26 | 12-23/12-26 | 16-22 | 236 | 309 | 26 | 40 | 22*22 | 140 | 102/108 | 4-12/14 |
Verify the selected configuration and service duty against the approved product submittal.