Stopcocks and Valves
3-way stopcocks, T-bore, borosilicate glass 3.3
Acc. to DIN 12554 and in addition to DIN standardLeakage rate to DIN 12540-1With solid glass plug or PTFE plug and screwthread retaining device
Angle valves, PRODURAN®
Angle valves with spindle (PTFE) and integrated fine thread enable very fine adjustment of the valve opening.Media only come into contact with Duran® glass and PTFEUnscrewing protection prevents absolute unscrewing of the valve pin
Needle-valve stopcocks, right-angled, DURAN® tubing
Made of DURAN® tubing. Smooth PTFE plug spindle, with retention device to avoid accidental dismantling. PP screw cap and retention device. Operating temperature -20 °C to 150 °C. Needle-valve stopcocks can be used for accurate dispensing and fit perfectly to glass apparatus.
Needle-valve stopcocks, straight, DURAN® tubing
Made of DURAN® tubing. Smooth PTFE plug spindle, with retention device to avoid accidental dismantling. PP screw cap and retention device. Operating temperature -20 °C to 150 °C. Needle-valve stopcocks can be used for accurate dispensing and fit perfectly to glass apparatus.
Stopcock plugs, glass
Solid glass plug with screwthread retaining device, for one-way stopcocks.
Stopcock plugs, PTFE
Stopcock plugs with thread and screwthread retaining device, for one-way stopcocks.
Stopcocks, borosilicate glass 3.3, with capillary side arms
Acc to DIN 12541-1 and in addition to DIN standard. With retaining device. Straight bore. Leakage rate acc. to DIN 12540-1.
Stopcocks, with glass plug, borosilicate glass 3.3
Acc to DIN 12541-1 and in addition to DIN standard. With solid glass plug and retaining device. Straight bore. Leakage rate acc. to DIN 12540-1.
Stopcocks, with PTFE plug, borosilicate glass 3.3
Acc. to DIN 12541-1 and in addition to DIN standard, with PTFE plug and screwthread retaining device, one straight bore, leakage rate acc. to DIN 12540-1.
Straight valves PRODURAN®
Straight valves with spindle (PTFE) and integrated fine thread enable very fine adjustment of the valve opening.Media only come into contact with Duran® glass and PTFEUnscrewing protection prevents absolute unscrewing of the valve pin
Three-way stopcocks acc. to Czako, borosilicate glass 3.3
Three-way stopcocks (Czako) acc. to DIN 12563. Angled bore 120°, with solid glass or PTFE plug. Leakage rate to DIN 12540-1.
Two-way stopcocks with PTFE plug, borosilicate glass 3.3
With PTFE key and screwthread retaining device. With two oblique bores. Leakage rate acc. to DIN 12540-1.
Vacuum stopcocks, one-way, borosilicate glass 3.3, parallel
With parallel side arms and hollow NS glass plug. Leakage rate acc. to DIN 12540-1.
Vacuum stopcocks, one-way, borosilicate glass 3.3, straight
With straight side arms and hollow NS glass plug. Leakage rate acc. to DIN 12540-1.
Vacuum-stopcocks, one-way, right-angled, borosilicate glass 3.3
One-way, acc. to DIN 12545 / DIN 12554 and in addition to DIN standard, with right-angled side arm and hollow glass plug. Leakage rate to DIN 12540-1.
Vacuum-stopcocks, T-shape, borosilicate glass 3.3
Acc. to DIN 12545 / DIN 12554 and in addition to DIN standard, T-shape, with right-angled side arms and hollow glass plug. Leakage rate to DIN 12540-1.