We can offer alternative progressive cavity pump parts for Mono® Brand NE and NM series. Including stator, rotor, coupling rod, universal joint assembly, drive shaft, mechanical seal, almost all can be provided.

Mono C series model table
| NO. | Model | Model |
|---|---|---|
| 1 | C21B | C17A |
| 2 | C21D | C17B |
| 3 | C22A | C17D |
| 4 | C22B | C17K |
| 5 | C22D | C18A |
| 6 | C23A | C18B |
| 7 | C23B | C18D |
| 8 | C23K | C18K |
| 9 | C13D | C19A |
| 10 | C2XA | C19B |
| 11 | C2XB | C19K |
| 12 | C1XD | C1AA |
| 13 | C1XK | C1AB |
| 14 | C14A | C1AK |
| 15 | C14B | C1BA |
| 16 | C14D | C1BB |
| 17 | C14K | C1BK |
| 18 | C15A | C1CA |
| 19 | C15B | C1CB |
| 20 | C15D | C1CK |
| 21 | C15K | C1DA |
| 22 | C16A | C1DB |
| 23 | C16B | C1EB |
| 24 | C16D | |
| 25 | C16K |
Position number and material list of Mono wear-resistant parts
| Parts Name | Position | Material |
|---|---|---|
| Stator | 22A | NR, NBR, Q, EPM, FKM |
| Rotor | 25A | 45#, 2Cr13, 304, 316L, 2205, Ti (Heat-treatable and electroplated Cr) |
| Double layer circlip | P403 | 45#, 304, 316L |
| O-ring | P401 | NR, NBR, Q, EPM, FKM |
| Retaining sleeve | 75A | 45#, 304, 316L |
| Boot | 28A | NR, NBR, Q, EPM, FKM |
| Holding band | P405 | 45#, 304, 316L |
| Coupling rod pin | 29A | 45#, 2Cr13, 304, 316L |
| Coupling rod | 26A | 45#, 2Cr13, 304, 316L, 2205, Ti |
| Coupling rod pin | 29B | 45#, 2Cr13, 304, 316L |
| Holding band | P406 | 45#, 304, 316L |
| Boot | 28B | NR, NBR, Q, EPM, FKM |
| Retaining sleeve | 75B | 45#, 304, 316L |
| O-ring | P402 | NR, NBR, Q, EPM, FKM |
| Double layer circlip | P404 | 45#, 304, 316L |
| Plug-in shaft | 32A | 45#, 2Cr13, 304, 316L |
| Plug-in shaft pin | 29C | 45#, 2Cr13, 304, 316L |
When it comes to eccentric screw pumps (or progressive cavity pumps), whether you’re selecting the right pump or sourcing hard-to-find spare parts, Bryson pumps is your ideal partner.
Email us at [email protected] for immediate assistance.

