Services
Edwards 1820HTX/1220HTX Dry Pump Repair Service
Repair and full overhaul service are available for quotation.

Replaceable Parts Checklist
The list below is compiled from our fixed service records for this pump family.
| # | Chinese Name | English Name | Model / Part No. |
|---|---|---|---|
| 1 | 1820HTX 上泵 X 轴 Y 轴 | 1820HTX Upper Pump X - axis Y - axis | Edwards 1820HTX/1220HTX |
| 2 | 1820HTX 下泵 X 轴 Y 轴 | 1820HTX Lower Pump X - axis Y - axis | Edwards 1820HTX/1220HTX |
| 3 | 1&2 级定子 (腔体 / 隔板) | Stators of Stage 1 & 2 (Cavity/Partition) | Edwards 1820HTX/1220HTX |
| 4 | 3 级定子 (腔体 / 隔板) | Stator of Stage 3 (Cavity/Partition) | Edwards 1820HTX/1220HTX |
| 5 | 4 级定子 (腔体 / 隔板) | Stator of Stage 4 (Cavity/Partition) | Edwards 1820HTX/1220HTX |
| 6 | LV 定子 (腔体 / 隔板) | LV Stator (Cavity/Partition) | Edwards 1820HTX/1220HTX |
| 7 | X2Y2 转子 | X2Y2 Rotor | Edwards 1820HTX/1220HTX |
| 8 | X3Y3 转子 | X3Y3 Rotor | Edwards 1820HTX/1220HTX |
| 9 | X4Y4 转子 | X4Y4 Rotor | Edwards 1820HTX/1220HTX |
| 10 | LV 转子 | LV Rotor | Edwards 1820HTX/1220HTX |
| 11 | 1820HTX 水冷排 | 1820HTX Water - cooled Radiator | Edwards 1820HTX/1220HTX |
| 12 | 1820HTX 涨紧套 (包括涨套内环和外环,一套) | 1820HTX Expansion Sleeve (including inner and outer rings, one set) | Edwards 1820HTX/1220HTX |
| 13 | 1820HTX 联轴器 | 1820HTX Coupling | Edwards 1820HTX/1220HTX |
| 14 | 轴封:536612 | Shaft Seal: 536612 | Edwards 1820HTX/1220HTX |
| 15 | 下泵轴套 (φ53*φ36.5) | Lower Pump Shaft Sleeve (φ53*φ36.5) | Edwards 1820HTX/1220HTX |
| 16 | 密封圈包 (一套 66 根) | Seal Ring Kit (66 pieces in one set) | Edwards 1820HTX/1220HTX |
| 17 | 1820HTX DP 轴用油雾过滤器 | 1820HTX Oil Mist Filter for DP Shaft | Edwards 1820HTX/1220HTX |
| 18 | 定子 (腔体 / 隔板) 定位销 | Positioning Pin for Stator (Cavity/Partition) | Edwards 1820HTX/1220HTX |
| 19 | 转子定位销 | Positioning Pin for Rotor | Edwards 1820HTX/1220HTX |
Service scope & applicability
The checklist indicates parts we can assess or source; it is not a promise that every part must be replaced. Final scope, compatibility and lead time are confirmed after the pump nameplate, serial number and inspection results are reviewed.
Repair and full overhaul service are available for quotation.
For an accurate quote, include the pump serial number, nameplate photo, fault symptoms and whether the unit can be shipped for inspection.
