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Czako stopcocks, angle bore 2,5 mm
Czako stopcocks, angle bore 2,5 mm
Czako stopcocks, angle bore 2,5 mm, NS 14.5, complete with keys and 3 part retaining device
from €63.06
PTFE pin
PTFE pin
PTFE pin for valves "PRODURAN®"
from €23.09
90° valves, "PRODURAN®"
90° valves, "PRODURAN®"
90° valves, "PRODURAN®", passage 0 - 2.5 mm
from €56.67
DURAN® Three-way stopcock, T-bore
DURAN® Three-way stopcock, T-bore
DURAN®, borosilicate glass, with solid key and 3-part valve safety catch Interchangeable NS chicks with T-bore With thread and tap lock
from €35.90
DURAN® Separating funnel stopcock, Gilson type
DURAN® Separating funnel stopcock, Gilson type
Very good chemical resistance Very good temperature resistance For glass manipulators.
from €22.83
DURAN® Single way stopcock, Taper 1:5, with PTFE keys
DURAN® Single way stopcock, Taper 1:5, with...
DURAN®, borosilicate glass 3.3, clear, with PTFE key. Replaceable NS keys Screw thread retaining device Straight bore
from €25.55
Three part retaining device, complete, for hollow stopcock keys threaded
Three part retaining device, complete, for...
Three part retaining device, complete, for hollow stopcock keys threaded, for NS 12,5, GL 8
from €0.98
Straight valves, "PRODURAN®"
Straight valves, "PRODURAN®"
Straight valves, "PRODURAN®", passage 0 - 2.5 mm
from €60.09
DURAN® Single way stopcock, Complete with hollow key and glass handle
DURAN® Single way stopcock, Complete with...
DURAN®, borosilicate glass 3.3, clear, with hollow glass key and glass handle. Replaceable NS keys Screw thread retaining device Straight bore
from €30.50
DURAN® Single way stopcock, Taper 1:5
DURAN® Single way stopcock, Taper 1:5
DURAN®, borosilicate glass 3.3, clear, polished, without key. Very good chemical resistance Very good temperature resistance For PTFE keys Straight bore.
from €16.17
DURAN® burette stopcock, angled
DURAN® burette stopcock, angled
DURAN®, borosilicate glass 3.3,angled, fine grounded without keys Very good chemical resistance Very good temperature resistance For glass manipulators
from €11.90
 DURAN® burette stopcock, straight, ground, without keys, NS 12.5
DURAN® burette stopcock, straight, ground,...
DURAN®, borosilicate glass 3.3, clear, grounded, without key. Very good chemical resistance High temperature resistance For glass manipulators
from €13.01
DURAN® Single way stopcock, ground, without keys
DURAN® Single way stopcock, ground, without keys
DURAN®, borosilicate glass 3.3, clear, grounded, without key. Very good chemical resistance Very good temperature resistance Straight bore
from €10.45
DURAN® Single way stopcock, ground and polished, without keys
DURAN® Single way stopcock, ground and...
DURAN®, borosilicate glass 3.3, clear, grounded, polished, without key. Very good chemical resistance Very good temperature resistance For glass manipulators
from €15.63
DURAN® Stopcock, two way
DURAN® Stopcock, two way
Very good chemical resistance Very good temperature resistance Two oblique bores
from €29.56
DURAN® Single way stopcock, complete with PTFE-key
DURAN® Single way stopcock, complete with PTFE-key
DURAN®, borosilicate glass, with PTFE Key Exchangeable NS tap plugs With thread and tap safety device Straight bore
from €21.99
DURAN® Single way capillary stopcock
DURAN® Single way capillary stopcock
Replaceable NS keys Screw thread retaining device Straight bore
from €16.17
DURAN® Single way stopcock, complete with SBW key
DURAN® Single way stopcock, complete with SBW key
DURAN®, borosilicate glass 3.3, clear, with glass keys. Replaceable NS keys Screw thread retaining device Straight bor
from €15.29
DURAN® Single way stopcock, complete with DURAN® Key with groove
DURAN® Single way stopcock, complete with...
DURAN®, borosilicate glass, with grooved plug and O-ring Exchangeable NS tap plugs With thread and tap safety device Straight bore.
from €21.42
PTFE-keys
PTFE-keys
With thread Complete with 3 part retaining device Keys made of PFTE
from €10.57
DURAN® 90° GU valve
DURAN® 90° GU valve
DURAN® 90° valves, "GU"
from €25.38
DURAN® Straight valve, "GU"
DURAN® Straight valve, "GU"
DURAN®, borosilicate glass, with PTFE spindle Vacuum-tight Precise dosing capacity due to fine thread Safe due to unscrewing protective device Valves are suitable for high vacuum applications, adjustable and have heavy wall side arms.
from €27.60
DURAN® Stopcock key threaded, hollow
DURAN® Stopcock key threaded, hollow
Ground With 3 part retaining device Glass handle
from €21.76
2 From 4

Learn why you need stopcocks & valves for your laboratory glassware

Control the flow of liquid or gas with our comprehensive range of stopcocks. 1, 2, and 3-way stopcocks come in a range of bores and materials. For example, a 3-way stopcock with T-bore made of borosilicate glass. Or the modifiable 2-way stopcock with straight bore and two connections, which can also be used as a 3-way stopcock with T-shaped bore and three connections, with nuts made of glass-fibre and reinforced PTFE. Available under our stopcock range are Czako stopcocks, high vacuum stopcocks, capillary stopcocks, patent stopcocks, separating funnel stopcocks and needle-valve stopcocks. We offer stopcocks for burettes and stopcock keys, made of PTFE and DURAN® glass. 

For regulating flow and pressure, we offer a range of valves, such as pressure relief valves, 90-degree valves, high vacuum valves, ball valves and non-return valves, as well as a selection of retaining devices to assist in your laboratory work.

Control the flow of liquid or gas with our comprehensive range of stopcocks. 1, 2, and 3-way stopcocks come in a range of bores and materials. For example, a 3-way stopcock with T-bore made of... read more »
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Learn why you need stopcocks & valves for your laboratory glassware

Control the flow of liquid or gas with our comprehensive range of stopcocks. 1, 2, and 3-way stopcocks come in a range of bores and materials. For example, a 3-way stopcock with T-bore made of borosilicate glass. Or the modifiable 2-way stopcock with straight bore and two connections, which can also be used as a 3-way stopcock with T-shaped bore and three connections, with nuts made of glass-fibre and reinforced PTFE. Available under our stopcock range are Czako stopcocks, high vacuum stopcocks, capillary stopcocks, patent stopcocks, separating funnel stopcocks and needle-valve stopcocks. We offer stopcocks for burettes and stopcock keys, made of PTFE and DURAN® glass. 

For regulating flow and pressure, we offer a range of valves, such as pressure relief valves, 90-degree valves, high vacuum valves, ball valves and non-return valves, as well as a selection of retaining devices to assist in your laboratory work.