- O rings used as seal materials between blocks and blocks
| Type | Size | Remarks | |
|---|---|---|---|
| Viton | P | P3 ～ P90 | Colour: black |
| S | S5 ～ S150 | Colour: black | |
| G | G25 ～ G90 | Colour: black | |
| Teflon | P | P3 ～ P75 | Colour: white |
| S | S5 ～ S270 | Colour: white | |
| G | G30 ～ G70 | Colour: white |
※Use of other special sizes, etc.
※According to the specifications of the O ring, please note that there are also sizes that are not used.