| WI-50E~500E Assembly part | |||
| code | description | NO. | material |
| 1 | Screw M5กม45 For Sealing | 1 | Stainless Steel |
| 2 | Screw M5กม45 | 1 | stainless steel |
| 3 | Cover With Lid | 1 | Assembly |
| 4 | Sealed Register | 1 | Assembly |
| 5 | Fixing pin | 1 | Brass |
| 6 | Retainer Ring | 1 | ABS |
| 7 | Screw | 4 | Brass |
| 8 | Pin | 1 | Stainless Steel |
| 9 | Support | 1 | ABS |
| 10 | Bolt For Sealing | 2 | Stainless Steel |
| 11 | Bolt M12กม35 | 2 | Stainless Steel |
| 12 | Gasket | 4 | Stainless Steel |
| 13 | Adjusting Nut | 1 | Brass |
| 14 | Flange Plate | 1 | Cast Iron |
| 15 | O-ring | 1 | Silicon Rubber |
| 16 | O-ring | 1 | Silicon Rubber |
| 17 | Bush For Adjustment | 1 | Brass |
| 18 | Upper Bearing Plate | 1 | Brass |
| 19 | Screw | 4 | Brass |
| 20 | Lower Central Gear | 1 | Component |
| 21 | Cover Plate | 1 | MPPO |
| 22 | O-ring For Adjustment | 2 | Rubber |
| 23 | Transmission Gear Component | 1 | Assembly |
| 24 | Adjusting Lever | 1 | Brass |
| 25 | Turbine | 1 | Component |
| 26 | Adjusting Plate | 1 | MPPO |
| 27 | Bush with Agate | 1 | Nylon with Graphite |
| 28 | Measuring Chamber | 1 | MPPO |
| 29 | Fixing Screw | 3 | Brass |
| 30 | O-ring | 1 | Rubber |
| 31 | Body | 1 | Cast Iron |