Description
Our Diaphragms are a direct fit for your Rammer 777, IN22, 522. The OEM part number of Low Pressure is:
| Model | Serial Number | Part Number |
| 777 IN22 522 |
22180005-UP 777A0816-UP 22182109-UP |
113064 |
The OEM part number of High Pressure is:
| Model | Serial Number | Part Number |
| 777 | 777A0816-UP | 300293 |
The quality of the diaphragm you choose is a large consideration, and not all diaphragms are the same. The Rubber material can widely vary depending on temperature, mixing time, and mold style. This results in significant viscosity variations during manufacturing and an inconsistent product.
Big Hammer Co. is a direct replacement manufacturer for all our brands. Big Hammer Co. is not endorsed or sponsored by, or in any way associated with, Rammer. This product is a direct replacement part.
Any use of or reference to the Rammer trademark is for the sole purpose of indicating compatibility or product fit, and is not meant to imply any affiliation or relationship between Big Hammer Co. and Rammer and/or the Rammer Trademark.