The picture shows the main pump head parts.
No. | Description |
---|---|
1 | Inlet check valve, including: |
1a | Valve nut |
1b | Valve cartridge |
2 | Pump head |
3 | Pump head seals (2 PTFE O-ring seals) |
4 | Piston seals |
5 | Support rings |
6 | Seal wash bodies (pump head bushing) |
7 | Seal wash seals |
8 | Seal wash plate |
9 | Pistons |
10 | Outlet check valve, including: |
10a | Valve nut |
10b | Valve cartridge |
11 | Connectors for seal wash tubing (pluggable) |
12 | U-tube (capillary from working cylinder to equilibration cylinder) |