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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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286 – 300 of 447 results
286

Ace Glass, Inc. 2MM HI VAC STOPCOCK (GLASSBLOWER)
SDP

2MM HI VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
287

Ace Glass, Inc. 0-3mm 3-way high vacuum stopcoc
SDP

0-3mm 3-way high vacuum stopcock that eliminates exposure to corrosive materials. Stopcock can be used to at least 13.6 Kg internal pressure. Ultimate vacuum of 10-7 can be realized with the standard three seals. The smooth acting valve permits fine adjustment of the opening. The front ring seal makes a positive closure against a precision-formed heavy glass seat. The PTFE plug is not bakeable, and the O-rings are not replaceable. Reference marks on the body aid in repetitive setting.

ENCOMPASS_PREFERRED
288

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

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
289

Ace Glass, Inc. 4mm bore stopcock plug GLASSBLOWER threaded ends
SDP

4MM BORE S/C PLUG GLASSBLOWER

ENCOMPASS_PREFERRED
290

Ace Glass, Inc. 0-20Mm Hi Vac S/C (Glassblower)
SDP

0-20MM HI VAC S/C (GLASSBLOWER)

ENCOMPASS_PREFERRED
291

Ace Glass, Inc. 6mm bore stopcock plug GLASSBLOWER

6MM BORE S/C PLUG GLASSBLOWER

ENCOMPASS_PREFERRED
292

Ace Glass, Inc. Stopcock 4mm bore w/plug w/threaded extension
SDP

Stopcock 4mm bore w/plug w/threaded extension

ENCOMPASS_PREFERRED
293

Grainger SAF GLSS HLDR W/O COVER TRAY G

502763034 SAF GLSS HLDR W/O COVER TRAY G

ENCOMPASS_PREFERRED
294

Ace Glass, Inc. 4MM STOPCOCK (GB)

4MM STOPCOCK (GB)

ENCOMPASS_PREFERRED
295

Ace Glass, Inc. 0-4mm 90 degree high vacuum stopcock
SDP

0-4mm 90 degree high vacuum stopcock that eliminates exposure to corrosive materials. Stopcock can be used to at least 13.6 Kg internal pressure. Ultimate vacuum of 10-7 can be realized with the standard three seals. The smooth acting valve permits fine adjustment of the opening. The front ring seal makes a positive closure against a precision-formed heavy glass seat. The PTFE plug is not bakeable, and the O-rings are not replaceable. Reference marks on the body aid in repetitive setting.

ENCOMPASS_PREFERRED
296

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

4MM HI VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
297

Ace Glass, Inc. Plug, stopcock, glass, 4mm T-bore, 20/44
SDP

Plug, stopcock, glass, 4mm T-bore, 20/44

ENCOMPASS_PREFERRED
298

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

2MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
299

Ace Glass, Inc. Trap, dry ice condenser, glass hose connections, PTFE stopcock bottom

Trap, dry ice condenser, glass hose connections, PTFE stopcock bottom

ENCOMPASS_PREFERRED
300

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

24/40 ADAPTER W/STOPCOCK

ENCOMPASS_PREFERRED