Stopcocks Products (0)

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  • Thumbnail Image for Three-Way Stopcock Valve, 2 Female Luers to Male Luer

    DWK Life Sciences (Kimble)

    Heavy-duty nylon, 3-way control with locking fittings on all ports. 

  • Thumbnail Image for Sciencware® Stopcocks

    Bel-Art Products

    2-way and 3-way Connections This polypropylene stopcock has a detachable, watertight and inert Teflon® PTFE plug that contacts any fluid being dispensed. The barbed fitting end accepts 6.4 to 9.5mm (1/4 to 3/8") I.D. tubing. Three-way models allow connection of two or three arms. Pressure rating is...

  • Thumbnail Image for Teflon Straight Bore Stopcocks

    DWK Life Sciences (Kimble)

    Complete with nut, O-ring, washer For replacement in glassware originally supplied with Teflon straight bore plugs

  • Thumbnail Image for Three-Way Polypropylene Stopcocks with Teflon Plug

    Thermo Scientific Nalgene

    Similar to 8652N30 series, but with three arms Stopcock has T-shaped bore for connecting any two or all three arms Offered in 2 mm and 4 mm bore sizes Arms serrated to take 1/4 to 3/8 inch tubing

  • Thumbnail Image for One-Way Stopcock Valve Female Luer to Male Luer

    DWK Life Sciences (Kimble)
  • Thumbnail Image for Nalgene Polypropylene Straight Bore Stopcocks

    Thermo Scientific Nalgene

    Polypropylene with Teflon® TFE plug No lubrication required Offered in 2 mm and 4 mm bore sizes Arms are five-mm bore, serrated to take 1/4 to 7/16 inch rubber tubing

  • Thumbnail Image for PYREX® Straight Bore Stopcocks


    Plug has 1:5 taper, permitting precise control of plug tension Lubrication not required Knurled nut and washer are Teflon O-ring is Buna N synthetic rubber Plug bore x o.d. of arms appear in listings

  • Thumbnail Image for One-Or-Two Place Air: Gas: Vacuum Stopcocks

    Water Saver Faucet Co.

    Pedestal-style single or double cock for mounting on top or on splash shield of bench Maximum recommended line pressure 69 kPa (10 psig) Chrome-plated brass Spring-loaded stopcocks take included snap-in buttons labeled GAS, AIR or VACUUM (specify when ordering) Serrated outlets are 48 mm long,...

  • Thumbnail Image for Balloon Adapters

    Wilmad LabGlass

    These Air-Tite borosilicate glass adapters are designed with a T-bore stopcock for addition or venting inert atmospheres by attaching a balloon to one of two stems. Choose from different sized Standard Taper joints and plug type. IG-22 has a 4mm glass stopcock while IG-23T has a 4mm PTFE plug.

  • Placeholder Image for Rotameter, Needle Valve, Compact, Ace-Thred

    Ace Glass

    Used to regulate and measure flows, all working parts and indicia are visible, meter readings are unobstructed; the outlet swivels 360 degrees. Pressure tight to 2Kg/cm2 or more (air). Flow rates from 5 to 50L/minute air or 0.1 to 500cc/min water. Each tube is furnished with either a 316 stainless...

  • Thumbnail Image for PYREX® Replacement Retainer Clips for 1 or 2mm Straight 3mm Bore Stopcocks


    These are replacement retaining clips for PYREX® straight bore glass stopcocks that have either a 1mm or 2mm diameter bore.

  • Thumbnail Image for PYREX Brand Stopcocks


    Valves, In-Line, Rotaflo® For vacuum or pressure work Borosilicate glass, with Teflon® stem providing chemically inert seal Require no lubrication Permit precide control of liquid or gas flow at temperatures from -40°C to +200°C Maximum vacuum 10 -8 torr (10 -6 Pa) Plastic control...

  • Thumbnail Image for Scienceware® Stopcocks

    Bel-Art Products

    2-Piece design requires no lubrication A quarter turn shuts off flow. Maximum pressure rating: 48 KPa (7 psi), 50cm of water. Easy, snap-together assembly creates a tight seal Select a size betweento fit tubing of 3/8 or ½" (9.5 or 12.7mm) I.D. Barbed connections

  • Thumbnail Image for PTFE Straight Stopcock Plugs

    DWK Life Sciences (Kimble)

    PTFE stopcock plug has a 1:5 taper PTFE  is chemically-resistant and self-lubricating

  • Thumbnail Image for Stopcock, Polyethylene Miniature


    Miniature Stopcocks. The low friction properties of high density polyethylene allows for easy turning of key which requires no lubricant, thus eliminating blockage of the bores with grease.

  • Thumbnail Image for PYREX® Brand Stoppers


    Full length stoppers, closed at bottom, with penny head Conform to ASTM Standard E 675

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