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Description
waterjet 90k 20475882 Backup Ring
The Winwin Waterjet part waterjet 90k 20475882 Backup Ring used in waterjet cutting machines. Awaterjet 90k 20475882 Backup Ring is a type of sealing component that is used to prevent fluid leakage around a piston or other reciprocating component in a hydraulic or pneumatic system.
| Item | Part Number | Description | Quantity | Item | Part Number | Description | Quantity |
| 1 | 05146592 | Gasket, Topworks Support | 2 | 14 | 72162253 | Plunger | 2 |
| 2 | 20476377 | Support, Topworks | 2 | 15 | 05130091 | Hydraulic Seal Cartridge | 2 |
| 3 | 10118206 | O-Ring, 1.31×1.56× .13 | 2 | 16 | 72175989 | Bushing Retainer Flange | 2 |
| 4 | 05144514 | Hydraulic Cylinder | 1 | 17 | 72158494 | UHP Seal Assembly | 2 |
| 5 | 05098991 | Socket Head Screw, 3/8-16×3-3/4 | 8 | 18 | 72166738 | UHP Cylinder | 2 |
| 6 | 95688743 | Lock Washer, .38 | 8 | 19 | 72163802 | Liner | 2 |
| 7 | 72101190 | Piston Assembly | 1 | 20 | 20474325 | Stud, 1-1/8-12×18.31 | 8 |
| 8 | 10074771 | O-Ring, 5.25×5.50× .13 | 2 | 21 | 72170157 | Sealing Head Assembly | 2 |
| 9 | 05120092 | Backup Ring, 5.25×5.50× .13 | 2 | 22 | 72178493 | Flange Assembly | 2 |
| 10 | 72175997 | Hydraulic Cylinder Head | 2 | 23 | 20464590 | Flat Washer, 1.13 | 8 |
| 11 | 05097886 | Socket Head Screw, 3/4-16×2-1/4 | 12 | 24 | 20461761 | Hex Nut, 1-1/8-12 | 8 |
| 12 | 05144183 | Spacer Assembly, Proximity Switch | 2 | 25 | 20489339 | Adapter, JIC/Pipe, 50× .38 | 1 |
| 05144191 | O-Ring, .69× .88× .09 | 26 | 72176756 | O-Ring, 3.88×4.25× .19 | 6 | ||
| 13 | 72141569 | Kit, Proximity Switch | 2 | ||||
| 72134224 | Proximity Switch | ||||||
| 95119012 | Socket Head Screw, 1/4-20×1 |
In the case of a waterjet cutting machine, the waterjet 90k 20475882 Backup Ring is likely used to prevent water or abrasive material from leaking around the piston in the high-pressure pump or cutting head. The backup ring is typically made from a resilient material such as rubber or plastic, and is designed to maintain a tight seal even under high pressure and repeated cycles of movement.
The specific application and design of the backup ring may depend on the model and design of the waterjet cutting machine, as well as the specific piston or component being sealed. Backup rings are often used in conjunction with other sealing components such as O-rings and piston cups to provide a reliable and leak-free seal.
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