Measurement method:
Use a vernier caliper to measure the inner hole, outer diameter, and overall height
(as shown in the picture)

| model | ABB series |
| material | SIC/TC/VITON |
| Features | Wear-resistant, oil-resistant and aging-resistant |
| scope | Pump, shipbuilding, chemical industry, metallurgy, petroleum, electric power, etc. |
| Applicable temperature | -25℃~+180℃ |
| Specification | 25/30/35/40/45 |