Product Description
| Type Name | john crane type 8B2 shaft mechanical seal for armstrong pump |
| Size | 1-1/8",2-1/8'',1-5/8'',2-5/8'' |
| Material Combination | Face: Carbon, SiC, SSiC, TC |
| Seat: Ceramic, SiC, SSiC, TC | |
| O-ring: NBR, EPDM, FKM | |
| Spring: SS304, SS316 | |
| Metal Parts: SS304, SS316 |