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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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181 – 195 of 421 results
181

Ace Glass, Inc. 2MM STOPCOCK GB 2MM STOPCOCK GB
SDP

Glass 2mm straight bore stopcock with a solid 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
182

Ace Glass, Inc. 1MM MICRO STOPCOCK (GB)
SDP

1mm micro stopcock for micro chemical apparatus. Solid glass plug and barrel are lapped together providing a precision fit. Plugs are interchangeable within the meaning of ASTM Standard E 675.

ENCOMPASS_PREFERRED
183

Ace Glass, Inc. Stopcock, 3-way, 1mm bore, 17/40 T bore plug, 8mm OD sidearms
SDP

1mm bore 3-way stopcock with sidearms and a 17/40 T-bore solid glass plug. 8mm O.D.

ENCOMPASS_PREFERRED
184

Ace Glass, Inc. 2MM STOPCOCK (GB)
SDP

2mm Newman type stopcock is used with a distilling head to enable the operator to determine reflux ratios and take-offs. Process is described in Industrial and Engineering Chemistry, Volume 14, No. 11, Page 902, Nov. 15, 1942.

ENCOMPASS_PREFERRED
185

Ace Glass, Inc. 1MM STOPCOCK GB 1MM STOPCOCK GB
SDP

Glass 1mm straight bore stopcock with a solid 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
186

Ace Glass, Inc. 6MM STOPCOCK GB 6MM STOPCOCK GB
SDP

Glass 6mm 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
187

Ace Glass, Inc. 0-3mm vacuum stopcock with UHDPE handle PTFE plug
SDP

0-3MM VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
188

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

4MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
189

Ace Glass, Inc. 0-10mm stopcock (c) bakeable plug Hi-Vac
SDP

0-10MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
190

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

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

ENCOMPASS_PREFERRED
191

Ace Glass, Inc. 14.5mm ID x 25cm chromatography column, #3 stopper top, 250mL reservoir, porosity B filter disc
SDP

14.5mm I.D. x 25cm chromatography column with 250mL reservoir at top and 2mm bore 1:5 PTFE stopcock plug at bottom. Opening at top is for a #3 stopper. Includes porosity B filter disc.

ENCOMPASS_PREFERRED
192

Ace Glass, Inc. 0-5mm stopcock Hi-Vac w/glass plug
SDP

0-5MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
193

Ace Glass, Inc. Stopcock, 0-8mm, 90° arms, high vacuum, PTFE plug with knurled PTFE handle, completely bakeable
SDP

Stopcock, 0-8mm, 90° arms, high vacuum, PTFE plug with knurled PTFE handle, completely bakeable

ENCOMPASS_PREFERRED
194

Ace Glass, Inc. Stopcock, 0-3mm, 90° arms, high vacuum, PTFE plug with hooded UHDPE handle
SDP

Stopcock, 0-3mm, 90° arms, high vacuum, PTFE plug with hooded UHDPE handle

ENCOMPASS_PREFERRED
195

Ace Glass, Inc. 15MM HI VAC STOPCOCK (GLASSBLOWER)
SDP

15MM HI VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED