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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 €8.89
 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 €11.79
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 €8.57
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 €15.00
DURAN® Stopcock, two way
DURAN® Stopcock, two way
Very good chemical resistance Very good temperature resistance Two oblique bores
from €22.09
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 €21.12
DURAN® Single way capillary stopcock
DURAN® Single way capillary stopcock
Replaceable NS keys Screw thread retaining device Straight bore
from €14.26
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 €14.68
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 €18.63
PTFE-keys
PTFE-keys
With thread Complete with 3 part retaining device Keys made of PFTE
from €8.46
DURAN® 90° GU valve
DURAN® 90° GU valve
DURAN® 90° valves, "GU"
from €24.37
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 €26.50
DURAN® Stopcock key threaded, hollow
DURAN® Stopcock key threaded, hollow
Ground With 3 part retaining device Glass handle
from €21.31
Three part retaining device, complete, for SBW stopcock key
Three part retaining device, complete, for SBW...
PP, three parts For keys made of SBW glass
from €0.96
 O-Rings in rubber, for NS 10
O-Rings in rubber, for NS 10
Rubber, black O-Rings for stopcock keys with groove
from €0.21
134501302
Stopcock, straight bore, PTFE-plug NS 12,5/1,5...
Stopcock, straight bore, PTFE-plug NS 12,5/1,5 mm bore, borosilicate glass 3.3
from €26.99
134501101
Stopcock, straight bore, solid glass plug NS...
Stopcock, straight bore, solid glass plug NS 10/1,0 mm bore, borosilicate glass 3.3
from €22.81
134501203
Stopcock, straight bore, hollow glass plug NS...
Stopcock, straight bore, hollow glass plug NS 14,5/2,5 mm bore, borosilicate glass 3.3
from €39.64
134510203
High vacuum stopcock/angle type, hollow glass...
right angle legs High vacuum stopcock, angle type, legs right angle, hollow glass plug NS 14,5/2,5 mm bore, borosilicate glass 3.3
from €47.41
134512203
High vacuum stopcock/bag shaped, hollow glass...
straight High vacuum stopcock, bag shape, straight legs, hollow glass plug NS 14,5/2,5 mm bore, borosilicate glass 3.3
from €48.37
134511203
High vacuum stopcock/T-type, hollow glass plug...
High vacuum stopcock, T-type, hollow glass plug NS 14,5/2,5 mm bore, borosilicate glass 3.3
from €50.21
134509203_1
High vacuum stopcock/one way, hollow glass plug...
High vacuum stopcock, one - way typ, legs parallel, hollow glass plug NS 14,5/2,5 mm bore, borosilicate glass 3.3
from €52.92
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.