| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 12,5 Bore mm 2,5 | | | | | |
| | | Glass stopcock, massive, NS 24 hole 8,0mm | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 29,2 Bore mm 10 | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 12,5 Bore mm 1,5 | | | | | |
| | | Spare keys, for one-way valves solid, bore 4 mm, tap 4 NS/14.5, with safety device | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 18,8 Bore mm 6 | | | | | |
| | | Spare keys, for one-way plug valve DURAN, BISTABIL, solid, with safety device | | | | | |
| | | Glass stopcock, massive, NS 29.2 hole 10.0mm | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 21,5 Bore mm 6 | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 14,5 Bore mm 2,5 | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 24 Bore mm 8 | | | | | |
| | | Spare keys, for one-way plug valve DURAN, BISTABIL, solid, with safety device, DIN 12 541, T1 | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug , NS 14,5 Bore mm 4 | | | | | |
| | | Spare Plugs for Stopcocks, Straight Bore, Solid , NS 18,8 Bore mm 4,0 | | | | | |
| | | Spare keys, for one-way valves, solid, NS 14.5 / 2.5 mm | | | | | |
| | | Spare Plugs for Stopcocks, Straight Bore, Solid , NS 21,5 Bore mm 6,0 | | | | | |
| | | Stopcocks, Straight Bore with Solid Glass Plug, Capillary Side Arms, NS 14,5 Bore mm 2,5 | With solid glass key, with capillary side arms | | | | |