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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:
451 – 462 of 462 results
451

Chemglass Life Sciences 0-4mm Replacement Glass Stem Only, Viton O-Rings
SDP

0-4mm Replacement Glass Stem Only, Viton O-Rings. Replacement glass plug and control knob for CG-973 through CG-982 high vacuum valves. Plug is sold complete with control knob and glass stem having three o-rings.

ENCOMPASS_PREFERRED
452

Chemglass Life Sciences Stopcock, Double Oblique Bore, PTFE Plug, 2mm Bore, 12.9/44 Plug Size, 8mm OD Sidearms
SDP

Stopcock, Double Oblique Bore, PTFE Plug, 2mm Bore, 12.9/44 Plug Size, 8mm OD Sidearms. A 1:5 taper PTFE stopcock with two parallel diagonal bores.

ENCOMPASS_PREFERRED
453

Hach Company Stopcock Plug, PTFE, 2 mm Plug Bore

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

ENCOMPASS
454

Andwin Scientific BOLA MINIATURE 3WAY STOPCOCK
SDP

NC3729796 BOLA MINIATURE 3WAY STOPCOCK

ENCOMPASS_PREFERRED
455

Nordson Medical 1-WAY STOPCOCK 500/BG
SDP

NC3846028 1-WAY STOPCOCK 500/BG

ENCOMPASS_PREFERRED
456

McKesson General Medical MCKESSON MEDICAL SURGICAL

NC3906321 3-WAY STOPCOCK STD BORE 50/CS

ENCOMPASS_PREFERRED
457

Cole-Parmer COLE PARMER 3P

NC3943752 DISPSBLE 1-WAY STOPCOCK 100/PK

ENCOMPASS_PREFERRED
458

Medex Supply MEDEX SUPPLY
SDP

NC3981139 DISCOFIX 3-WAY STOPCOCK

ENCOMPASS
459

DWK Life Sciences Kimble™ Kontes™ Straight Bore Stopcock with PTFE Plug
SDP

The more exaggerated taper of this stopcock permits easier use at higher-than-ambient temperatures.

460

AVANTOR MASTERFLEX (VWR LLC) Masterflex Fitting, Polycarbonate, Three-Way, Stopcock with Male Luer Lock, Non-Sterile; 10/PK

Choose stopcocks with either a male luer lock or a male luer slip. Handle rotates 90° on one-way stopcocks, 180° on three-way stopcocks, and 360° on four-way stopcocks. All have PC body and HDPE stem.

ENCOMPASS
461

Nordson Medical ONE WAY STOPCOCK CS500
SDP

ONE WAY STOPCOCK CS500

ENCOMPASS_PREFERRED
462

AVANTOR MASTERFLEX (VWR LLC) Masterflex Fitting, Polycarbonate, One-Way, Stopcock with Male Luer Lock, Non-Sterile; 10/PK

Choose stopcocks with either a male luer lock or a male luer slip. Handle rotates 90° on one-way stopcocks, 180° on three-way stopcocks, and 360° on four-way stopcocks. All have PC body and HDPE stem.

ENCOMPASS