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2 From 7
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DURAN® Reduction Adapter
DURAN® Reduction Adapter
DURAN®, borosilicate glass 3.3. Outstanding leak tightness Minimal requirement for joint lubrication Joints cannot be misaligned Reduction adapter from large cone to small socket DIN 12257
from €28.42
DURAN® Reduction and expansion adapter
DURAN® Reduction and expansion adapter
DURAN®, borosilicate glass 3.3, clear. • Very good chemical resistance • High temperature resistance • Minimal thermal expansion giving relatively high resistance to temperature changes • Adapters, reduction or expansion, with standard...
from €27.01
Ground glass joint clamp, POM, for spherical glass joint
Ground glass joint clamp, POM, for spherical...
Ground joint clamps made of polyacetal (POM), Delrin®. Melting point 175°C Heat-resistant up to approx. 150°C, very good chemical resistance. Easy, safe and quick to fit and remove. Each size in a different color for easy selection. No...
from €7.01
134038012
Adapter with normal cuts, according to DIN 12257
Adapter with normal cuts borosilicate glass 3.3
from €10.37
130014014
KECK™ Ground glass joint clamp, nickel-plated
Ground joint clamps made of spring steel nickel-plated for use at very high temperatures over 150°C
from €8.44
130012010
Ground glass joint clamp, POM, for conical...
Ground joint clamps made of polyacetal (POM), Delrin®. Melting point 175°C Heat-resistant up to approx. 150°C, very good chemical resistance. Easy, safe and quick to fit and remove. Each size in a different color for easy selection. No...
from €4.53
247010010
PTFE-seal for cones and sockets NS 10
PTFE-seal for cone and socket Ground joint made of pure virgin PTFE prevent seizing-up and create a gas-tight and liquid-tight joint between standard ground (NS), glass components. Practical, handy knurled grip allows easy separation of...
from €5.12
Keck-Clip for conical joints, POM
Keck-Clip for conical joints, POM
KECK-Clips for conical joints, POM, KC
from €4.11
DURAN® Adapter, stopper type, solid
DURAN® Adapter, stopper type, solid
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes Adapters, stopper type, solid, socket and cone.
from €43.85
DURAN® Expansion Adapter
DURAN® Expansion Adapter
DURAN®, borosilicate glass 3.3. Outstanding leak tightness Minimal requirement for joint lubrication Joints cannot be misaligned Expansion adapter from small cone to large socket DIN 12257
from €21.90
DURAN® Long ground socket, finished
DURAN® Long ground socket, finished
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature change
from €4.97
DURAN® Reduction Adapter
DURAN® Reduction Adapter
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes Reduction adapter from large cone at the base to small...
from €13.50
DURAN® Standard socket, diamond ground
DURAN® Standard socket, diamond ground
DURAN®, borosilicate glass 3.3, clear. With diamond cutting Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature change
from €2.30
DURAN® Standard socket, finished
DURAN® Standard socket, finished
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes
from €3.40
DURAN® Drying tube, bent
DURAN® Drying tube, bent
DURAN® borosilicate glass 3.3. clear. Angled at 75° with ground joint cone.
from €35.76
clip for spherical joints, with adjusting screw
clip for spherical joints, with adjusting screw
Stainless steel clamps for spherical joints with tightening screw.
from €16.37
DURAN® Spherical joint, cup, polished
DURAN® Spherical joint, cup, polished
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes Ungrounded, for glass manipulators
from €20.53
DURAN® Spherical joint, ball, inches size
DURAN® Spherical joint, ball, inches size
DURAN®, borosilicate glass 3.3, clear. Inches size Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes Through use of flexible spherical joint...
from €10.82
DURAN® Spherical joint, cup, inches size
DURAN® Spherical joint, cup, inches size
DURAN®, borosilicate glass 3.3, clear. Inches size Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes Through use of flexible spherical joint...
from €10.82
 DURAN® Standard cone, double, finished, NS 14/23
DURAN® Standard cone, double, finished, NS 14/23
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes
from €6.59
DURAN® Standard cone, skirted, finished
DURAN® Standard cone, skirted, finished
DURAN®, borosilicate glass 3.3, clear. Very good chemical resistance High temperature resistance Minimal thermal expansion giving relatively high resistance to temperature changes
from €3.44
2 From 7

Take a look at our selection of ground joint components

Ensure your apparatuses are leak proof when connected with our variety of ground joint components. From U-shaped drying tubes, non-return valves and expansion adapters, to viton rings for polished spherical joints, bubble counters for monitoring the flow rate of gases, and clamps for spherical joints, you are sure to find what you need to assist you in your experiment.

Ensure your apparatuses are leak proof when connected with our variety of ground joint components. From U-shaped drying tubes, non-return valves and expansion adapters, to viton rings for polished... read more »
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Take a look at our selection of ground joint components

Ensure your apparatuses are leak proof when connected with our variety of ground joint components. From U-shaped drying tubes, non-return valves and expansion adapters, to viton rings for polished spherical joints, bubble counters for monitoring the flow rate of gases, and clamps for spherical joints, you are sure to find what you need to assist you in your experiment.