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HWS drain valve "H" 20 mm self-adjusting for replacement or replacement
HWS drain valve "H" 20 mm self-adjusting for...
HWS drain valve "H" 20 mm self-adjusting for replacement or exchange complete without glass part. Plunger in PTFE.
€455.00
PTFE-keys, Taper 1:5
PTFE-keys, Taper 1:5
• With thread • Complete with 3 part retaining device • Keys made of PFTE
from €10.52
Keys for stopcocks with 3 grooves PTFE
Keys for stopcocks with 3 grooves PTFE
• Three grooves PTFE • Double oblique 2.5 mm • 3-Part retaining device
from €20.61
DURAN® Separating funnel stopcock, with short inlet, ground and polished
DURAN® Separating funnel stopcock, with short...
DURAN®, borosilicate glass, with polished short funnel, without key. Very good chemical resistance High temperature resistance For glass manipulator
from €25.70
DURAN® Separating funnel stopcock, with short inlet, ground
DURAN® Separating funnel stopcock, with short...
DURAN®, borosilicate glass 3.3, clear, grounded, without key. Very good chemical resistance Very good temperature resistance With short inlet. For glass manipulators
from €17.06
DURAN® Separating funnel stopcock, Gilson type, ground and polished
DURAN® Separating funnel stopcock, Gilson type,...
DURAN®, borosilicate glass 3.3, clear, grounded and polished, without key. Very good chemical resistance Very good temperature resistance For glass manipulators
from €23.39
DURAN® Separating funnel stopcock, Gilson type, ground
DURAN® Separating funnel stopcock, Gilson type,...
DURAN®, borosilicate glass 3.3, clear, grounded, without key. Very good chemical resistance Very good temperature resistance For glass manipulators
from €14.55
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 €51.29
PTFE pin
PTFE pin
PTFE pin for valves "PRODURAN®"
from €21.98
134506202
Stopcock/T-bore, solid glass
Stopcock with T - bore, solid glass
from €38.66
90° valves, "PRODURAN®"
90° valves, "PRODURAN®"
90° valves, "PRODURAN®", passage 0 - 2.5 mm
from €55.56
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 €34.14
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 €22.36
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 €58.91
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 €15.39
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 €9.33
1 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.