| Product attributes | Parameter |
| Mounting hole position | Precisely align |
| Threads on the pump body | 5-16-18UNC |
| Threads on the pump body | ZG1/2 |
| Air tightness testing | No leakage detected under negative pressure of 0.1 MPa |
| Appearance Ⅰ | There is no supplier logo on the surface |
| Appearance Ⅱ | There are no appearance defects such as dirt, rust, paint peeling, etc |
| TO Impeller height Ⅱ | 0.3 |
| TO Shaft head height | 172.8 |
| Assembly rotation | It rotates flexibly by hand, without any clamping stagnation or abnormal noise |