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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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211 – 225 of 421 results
211

Ace Glass, Inc. 0-10mm stopcock w/UHDPE handle PTFE plug
SDP

0-10MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
212

Ace Glass, Inc. Plug, stopcock, glass, 6mm T-bore, 20/44
SDP

Plug, stopcock, glass, 6mm T-bore, 20/44

ENCOMPASS_PREFERRED
213

Ace Glass, Inc. 0-3mm stopcock w/UHDPE handle PTFE plug
SDP

0-3MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
214

Ace Glass, Inc. Stopcock, 0-4mm, 90° arms, high vacuum, PTFE plug with knurled PTFE handle, completely bakeable
SDP

Stopcock, 0-4mm, 90° arms, high vacuum, PTFE plug with knurled PTFE handle, completely bakeable

ENCOMPASS_PREFERRED
215

Ace Glass, Inc. Stopcock, 0-5mm, 90° arms, high vacuum, glass plug with knurled nylon handle
SDP

Stopcock, 0-5mm, 90° arms, high vacuum, glass plug with knurled nylon handle

ENCOMPASS_PREFERRED
216

Ace Glass, Inc. 2MM BORE S/C PLUGS 14/50
SDP

2MM BORE S/C PLUGS 14/50

ENCOMPASS_PREFERRED
217

Ace Glass, Inc. 4MM HI VAC STOPCOCK (GLASSBLOWER)
SDP

4MM HI VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
218

Ace Glass, Inc. 2MM HI VAC S/C HLW (GLASSBLOWER)
SDP

2MM HI VAC S/C HLW (GLASSBLOWER)

ENCOMPASS_PREFERRED
219

Ace Glass, Inc. Flask, reaction/storage, 200mL, no.15 O-ring joint, 4mm glass stopcock side arm, No-Air, Schlenk
SDP

Flask, reaction/storage, 200mL, no.15 O-ring joint, 4mm glass stopcock side arm, No-Air, Schlenk

ENCOMPASS_PREFERRED
220

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

4MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
221

Ace Glass, Inc. Stopcock, 3-way, 4mm bore, 20/44 T-bore plug, 10mm OD, sidearms
SDP

4mm bore 3-way stopcock with sidearms and a 20/44 T-bore solid glass plug. 10mm O.D.

ENCOMPASS_PREFERRED
222

Ace Glass, Inc. 8mm stopcock straight bore PTFE plug
SDP

8mm straight bore stopcock with polished barrels and 1:5 PTFE plug.

ENCOMPASS_PREFERRED
223

Ace Glass, Inc. 0-8mm vacuum stopcock w/UHDPE handle PTFE plug
SDP

0-8mm threaded vacuum stopcock with PTFE plug with UHDPE handle. Needle valve permits smooth valve adjustment down to 0.1 cc/min flow rate. Double PTFE ring seals prevent exposure of FETFE backup O-ring to corrosive gases and liquids.

ENCOMPASS_PREFERRED
224

Ace Glass, Inc. Adapter, 24/40 outer top, hose connection bottom, glass plug metering valve
SDP

24/40 ADAPTER W/STOPCOCK

ENCOMPASS_PREFERRED
225

Chemglass Life Sciences 0-14mm Stem and Control Knob, Red Band Indicator for High Temperature Applications
SDP

0-14mm Stem and Control Knob, Red Band Indicator for High Temperature Applications. Replacement one-piece stem and control knob for our NEW 0-14mm drain valve. Available with either a red indicator band used for high temperature applications up to 230°C, or with a blue indicator band used for low temperature applications down to -60°C. The high temperature plug uses Perfluoro o-rings on shaft and tip, while the low temperature plug uses Perfluoro o-rings on shaft and a FEP-Silicone o-ring on the tip.

ENCOMPASS_PREFERRED