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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:
76 – 90 of 472 results
76

Ace Glass, Inc. 0-3mm high vacuum Easy Action stopcock with Tef-Cap O-rin
SDP

0-3mm high vacuum Easy Action stopcock with Tef-Cap O-ring seals eliminate exposure to corrosive materials. For use to at least 13.6 Kg internal pressure. An ultimate vacuum of 10-7 can be realized with the standard three seals. Smooth acting valve permits fine adjustment of the opening. Front ring seal makes a positive closure against a precision-formed heavy glass seal. NOT bakeable. O-rings are NOT replaceable. Reference marks on the stopcock body aid in repetitive setting. Replacement plugs with O-rings sold separately.

ENCOMPASS_PREFERRED
77

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
78

Ace Glass, Inc. 3mm stopcock straight bore PTFE plug
SDP

3mm straight bore stopcock with polished barrels and 1:5 PTFE plug.

ENCOMPASS_PREFERRED
79

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

4MM HI VAC S/C SLD (GLASSBLOWER)

ENCOMPASS_PREFERRED
80

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

2MM HI VAC S/C SLD (GLASSBLOWER)

ENCOMPASS_PREFERRED
81

Ace Glass, Inc. 2mm hi vacuum stopcock HLW double oblique
SDP

2mm precision-grade, hi vacuum stopcock, with double oblique bore hollow plug. Plug has a hole to permit evacuation of the lower chamber, and prevents leakage through the bottom.

ENCOMPASS_PREFERRED
82

Ace Glass, Inc. 4mm hi vacuum stopcock SLD double oblique
SDP

4mm precision-grade, hi vacuum stopcock, with double oblique bore solid plug. Plug has a hole to permit evacuation of the lower chamber, and prevents leakage through the bottom.

ENCOMPASS_PREFERRED
83

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

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

ENCOMPASS_PREFERRED
84

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

3MM STOPCOCK (GLASSBLOWER)

ENCOMPASS_PREFERRED
85

Vetequip Inc STOPCOCK VALVE
SDP

This item has a minimum qty of 2 per supplier requirements.
Stopcock; Modification and Replacement Components

ENCOMPASS_PREFERRED
86

APPLIED SEPARATIONS STOPCOCK PTFE 10/PK
SDP

50900113 STOPCOCK PTFE 10/PK

ENCOMPASS_PREFERRED
87

Qosina Corp 1-WAY STOPCOCK, FEMALE LUER LO

This item has a minimum qty of 37 per supplier requirements.
1-Way Stopcock, Female Luer Lock, Male Luer with Spin Lock. Min order or $25

ENCOMPASS
88

Ace Glass, Inc. ACE GLASS INC
SDP

5000810404 STOPCOCK ADAPTER BACK SEALING

ENCOMPASS_PREFERRED
89

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
90

Ace Glass, Inc. 6mm stopcock straight bore PTFE plug
SDP

6mm straight bore stopcock with polished barrels and 1:5 PTFE plug.

ENCOMPASS_PREFERRED