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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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241 – 255 of 421 results
241

MCKESSON MEDICAL SURGICAL STOPCOCK 4WAY M/LL 50/CS

NC1833706 STOPCOCK 4WAY M/LL 50/CS

ENCOMPASS_PREFERRED
242

Ace Glass, Inc. 4MM HI VACUUM STOPCOCK HLW 4MM HI VACUUM STOPCOCK HLW
SDP

Oblique bore stopcock with vacuum cup at bottom. Available with a hollow or solid plug.

ENCOMPASS_PREFERRED
243

Qosina Corp 3 WAY STOPCOCK

This item has a minimum qty of 25 per supplier requirements.

ENCOMPASS
244

CHEMGLASS LIFE SCIENCES LLC FIS-2505-231FLR 3-WAY STOPCOCK
SDP

NC3735198 FIS-2505-231FLR 3-WAY STOPCOCK

ENCOMPASS_PREFERRED
245

QOSINA CORP 4-WAY STOPCOCK

NC2226995 4-WAY STOPCOCK

ENCOMPASS
246

Hanna Pharmaceutical Supply Co., Inc. Small Bore Stopcocks

4-Way Stopcock with Swivel Male Luer Lock, Non-Vented Blue Cap on Middle Port. Non-DEHP Formulation, Latex-Free, Lipid Resistant, Non-PVC 50/CS
Please note: This item is nonrefundable, non-returnable and non-cancelable once order is placed.

ENCOMPASS_PREFERRED
247

THERMO ASHEVILLE 3P SOLENOID VALVE PLAS 12VDCSOLE

NC9088620 SOLENOID VALVE PLAS 12VDCSOLE

ENCOMPASS_PREFERRED
248

Analytical Sales & Services Plate For 19mm Tubes For 10 Position Flash Vacuum Manifold System

Advantage Plate for 19mm Tubes for 10 Position Flash Vacuum Manifold System

ENCOMPASS_PREFERRED
249

Hach Company Stopcock Plug, PTFE, 2 mm Plug Bore

PTFE stopcock for your buret, separatory funnel, or other labware.

ENCOMPASS_PREFERRED
250

Hach Company Stopcock, PTFE for Buret

Glass reservoir and buret with PTFE stopcock create an easy to use workstation for standard solutions. Subdivisions of 1.0 mL and 0.1 mL.

ENCOMPASS_PREFERRED
251

NETA SCIENTIFIC INC VAC ELUT-20 STOPCOCK VALV-1/UN
SDP

50-010-1394 VAC ELUT-20 STOPCOCK VALV-1/UN

ENCOMPASS_PREFERRED
252

Chemglass Life Sciences Stopcock, Straight Bore, PTFE Plug, 3mm Bore, 15.2/30 Plug Size, 10mm OD Sidearms
SDP

Stopcock, Straight Bore, PTFE Plug, 3mm Bore, 15.2/30 Plug Size, 10mm OD Sidearms. Straight bore stopcock having a 1:5 taper solid PTFE plug.

ENCOMPASS_PREFERRED
253

Chemglass Life Sciences 4mm Bore, 17/40 Plug Size, 10mm OD Sidearm, #4 Clip Size
SDP

4mm Bore, 17/40 Plug Size, 10mm OD Sidearm, #4 Clip Size. Straight bore glass Stopcocks are supplied complete with the listed size metal retaining clip CG-423.

ENCOMPASS_PREFERRED
254

Chemglass Life Sciences Complete: 2mm Bore, 11/25 Plug Size, 8 & 10mm OD Sidearms
SDP

Complete: 2mm Bore, 11/25 Plug Size, 8 & 10mm OD Sidearms. Similar to CG-424 but with one arm of the stopcock being of a larger diameter. Larger arm facilitates construction of stronger apparatus such as separatory funnels and burets. Available complete with 1:5 taper PTFE plug or glass shell only. FOR REPLACEMENT PLUGS, SEE CG-424 LISTING

ENCOMPASS_PREFERRED
255

Chemglass Life Sciences 2mm Bore, 12/30 Plug Size, 8mm OD Sidearm, #1 Clip Size
SDP

2mm Bore, 12/30 Plug Size, 8mm OD Sidearm, #1 Clip Size. Straight bore glass Stopcocks are supplied complete with the listed size metal retaining clip CG-423.

ENCOMPASS_PREFERRED