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Product groups
- Campaigns
- New products
- Stock clearance sale
- General laboratory consumables
- Occupational safety, Security
- Analytical measurement and testing
- Stirring, Shaking, Mixing
- Sample preparation
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Distillation, separation, filtration
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Distillation, synthesis
- Flasks with NS joint neck
- Components for reaction and distillation
- Flat ground flange reaction vessels
- KPG stirrer and bearings
- Dropping Funnels
- Reflux condenser
- Distillation-Accessories
- Components for Extraction
- Gas wash bottles
- Tubing adapters
- Standard ground stoppers
- NS joints accessories
- Ground joints, attachable
- Stopcocks and Valves
- Laboratory reactors
- Rotary evaporators
- Separating, centrifuging
- Filtration
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Distillation, synthesis
- Heating and cooling technology
- Liquid Handling
- Vacuum technology, Drying, Dry storage
- Optical instruments and Microscopes
- Cleaning and sterilisation
- Environmental-, soil-, water-, food analysis
- Life Sciences
- Chromatography
- Cleanroom
- TPP
Filter
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Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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.* with capillary side arms.
DWK Life Sciences GmbH (Duran)
DWK Life Sciences GmbH (Duran)
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
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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* with rubber ring retaining device
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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.
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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.* with rubber retaining device
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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.
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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.
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
Needle-valve stopcocks, 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.
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
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.
Lenz-Laborglas GmbH & Co. KG
Lenz-Laborglas GmbH & Co. KG
Vacuum stopcocks, one-way, straight and parallel, borosilicate glass 3.3
With straight side arms or parallel side arms and hollow NS glass plug.Leakage rate acc. to DIN 12540-1.
DWK Life Sciences GmbH (Duran)
DWK Life Sciences GmbH (Duran)
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