| Code | Description |
| 041960 | Screwed check valves, bronze, metal seat |
| 042160 | Screwed check valves, bronze, soft seat + spring |
| 042760 | SDNR globe valves, screwed, bronze, metal seat |
| 043060 | SDNR globe valves, screwed, bronze/NBR |
| 044260 | SDNR globe valves, flanged, bronze |
| 042765 / 042865 | Globe-check valves, “Y” – type, brass |
| 043065 | Check valves, “Y” – type, brass |
| 044065 | Check valves, straight type, brass |
| 042460 | SDNR globe valves, flanged, bronze, screwed and secured bonnet |
| 045010 | Flanged check valves, cast iron / stainless steel |
| 045015 | Flanged check valves, cast iron / bronze |
| 045020 | Flanged check valves, nodular iron / stainless steel |
| 045030 | Flanged check valves, cast steel / stainless steel |
| 045040 | High pressure check valves, cast steel / st. steel |
| 045050 | Flanged check valves, stainless steel |
| 045060 | Flanged check valves, bronze |
| 048050 / 048070 / 048080 | Wafer type check valves stainless steel, bronze or steel |

