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Stopcocks

Stopcocks work as valves, serving to regulate, interrupt or completely stop the flow of a gas or liquid through piping, tubing or a faucet, with tubes attached to the stopcock’s female joint easily separated or connected by a turn of the stopcock. Stopcocks may be held in place by vacuum, rubber rings or clips. Glass stopcocks need stopcock grease for lubricating and sealing the plug and shell. Glass stopcocks with plastic plugs are sealed without grease but are less effective for high vacuum. Plastic plug glass stopcocks, however, work well for low vacuum applications.
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Autoclavable

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136 – 150 of 443 results
136

Analytical Sales & Services Base Plate For 10 Position Flash Vacuum Manifold System

Advantage Base Plate for 10 Position Flash Vacuum Manifold System

ENCOMPASS
137

HIMEDIA STL GLSS BTL 100ML RBRSTOP 5CS

NC3429354 STL GLSS BTL 100ML RBRSTOP 5CS

ENCOMPASS_PREFERRED
138

Chemglass Life Sciences Stopcock, Straight Bore, PTFE Plug, 4mm Bore, 15.2/30 Plug Size, 10mm OD Sidearms

2mm 120° PTFE Plug Only, 15.2/30. A 1:5 taper PTFE stopcock with three sidearms sealed 120º apart. Plug has a bore to allow connection of any two arms at once.

ENCOMPASS_PREFERRED
139

Ace Glass, Inc. 0-3mm vacuum stopcock needle valve

0-3MM VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
140

Ace Glass, Inc. 2mm stopcock 3-way oblique bore

2MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
141

Ace Glass, Inc. Stopcock adapter, 24/40 outer top, 24/40 inner bottom, 4mmglass plug

Stopcock adapter, 24/40 outer top, 24/40 inner bottom, 4mmglass plug

ENCOMPASS_PREFERRED
142

Chemglass Life Sciences 11mm PTFE Plug Only, 11/25

11mm PTFE Plug Only, 11/25. Green handle and nut.

ENCOMPASS_PREFERRED
143

Chemglass Life Sciences 2mm Glass Shell Only

2mm Glass Shell Only. Replacement glass shell for CG42801 stopcocks.

ENCOMPASS_PREFERRED
144

BURKLE INC StopCock straight-through,cap nut3/4"-cap nut3/4"

The StopCock discharge cocks fit all containers with G 3/4" connection threads. Thread adapters facilitate connection of cocks to nearly all containers.

ENCOMPASS_PREFERRED
145

Ace Glass, Inc. Stopcock, 3-way, 3mm bore, 20/44 T-bore plug, 10mm OD, sidearms

3mm bore 3-way stopcock with sidearms and a 20/44 T-bore solid glass plug. 10mm O.D.

ENCOMPASS_PREFERRED
146

Ace Glass, Inc. 4mm stopcock oblique bore hi-pressure

4MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
147

Ace Glass, Inc. Plug, stopcock, glass, 4mm T-bore, 17/14

Plug, stopcock, glass, 4mm T-bore, 17/14

ENCOMPASS_PREFERRED
148

Ace Glass, Inc. 8MM STOPCOCK GB 8MM STOPCOCK GB

Glass 8mm straight bore stopcock with a glass plug and a tapered flange, which insures maximum strength at the seal. The bore of the side arms is equal to or slightly larger than the bore of the plug.

ENCOMPASS_PREFERRED
149

Chemglass Life Sciences Stopcock, 120° Bore, PTFE Plug, 4mm Bore, 16/35 Plug Size, 10mm OD Sidearms

Stopcock, 120¿ Bore, PTFE Plug, 4mm Bore, 16/35 Plug Size, 10mm OD Sidearms. A 1:5 taper PTFE stopcock with three sidearms sealed 120¿ apart. Plug has a bore to allow connection of any two arms at once.

ENCOMPASS_PREFERRED
150

Ace Glass, Inc. 2mm bore stopcock plug GLASSBLOWER

2MM BORE S/C PLUG GLASSBLOWER

ENCOMPASS_PREFERRED