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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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Search Within Results
Keyword Search:
211 – 225 of 468 results
211

Ace Glass, Inc. 4MM HI VAC S/C HLW (GLASSBLOWER)
SDP

4MM HI VAC S/C HLW (GLASSBLOWER)

ENCOMPASS_PREFERRED
212

Ace Glass, Inc. 2MM STOPCOCK (GB)
SDP

2MM STOPCOCK (GB)

ENCOMPASS_PREFERRED
213

Cole-Parmer COLE PARMER 3P

NC3943752 DISPSBLE 1-WAY STOPCOCK 100/PK

ENCOMPASS_PREFERRED
214

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
215

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
216

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
217

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

0-3MM VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
218

Ace Glass, Inc. 4mm stopcock straight bore PTFE plug
SDP

4mm straight bore stopcock with polished barrels and 1:5 PTFE plug.

ENCOMPASS_PREFERRED
219

Nordson Medical STOPCOCK 3-WAY CS500
SDP

STOPCOCK 3-WAY CS500

ENCOMPASS_PREFERRED
220

Ace Glass, Inc. 0-3mm stopcock (c) bakeable plug Hi-Vac
SDP

0-3MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
221

Ace Glass, Inc. 10MM HI VAC S/C HLW (GB)
SDP

10MM HI VAC S/C HLW (GB)

ENCOMPASS_PREFERRED
222

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

2MM HI VAC STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
223

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

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

ENCOMPASS_PREFERRED
224

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

Stopcock, 0-3mm, 90° arms, high vacuum, PTFE plug with knurled PTFE handle, completely bakeable

ENCOMPASS_PREFERRED
225

World Precision Instrument 1-Way Stopcock - Luer Lock, Polycarbonate & Polyethylene
SDP

  • 1-Way Stopcock, 
  • Female Luer lock/Male Luer Slip
  • Polycarbonate & Polyethylene
  • Package of 10

ENCOMPASS