Filter products
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                                            - General laboratory consumables
- Occupational safety, Security
- Analytical measurement and testing
- Stirring, Shaking, Mixing
- Sample preparation
- 
                                                                                                                        
                                                                                    Distillation, separation, filtration
                                                                            
                                                            
                                                                                                                                        
    
                        
            - 
                                                                                                                        
                                                                                    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
 
- 
                                                                                                                        
                                                                                    Distillation, synthesis
                                                                            
                                                            
                                                                                                                                        
    
                        
            
- Heating and cooling technology
- Liquid Handling
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- Optical instruments and Microscopes
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                                    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, 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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Two-way stopcocks with PTFE plug, borosilicate glass 3.3, with capillary side arms
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    With PTFE key and screwthread retaining device. With two oblique bores. Leakage rate acc. to DIN 12540-1.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    Stopcock plugs, PTFE
                                
                            
                                                            
                                    
                                                                            
                                
                            
                                                            
                                    
                                    Stopcock plugs with thread and screwthread retaining device, for one-way stopcocks.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                
                                                                                        
                                                                                            
                                    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.
                                
                            
                                
    
                                                                    
                            
            
                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                 
                                                                                                                                                                                                                                                                                