Stopcocks

Compare Tool

Select up to 3 products

1 - 32 of 135
Sort
View
Show
  • One-Way Stopcock Valve Female Luer to Male Luer

    DWK Life Sciences (Kimble)

  • 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

  • Teflon Double Oblique Bore Stopcock

    DWK Life Sciences (Kimble)

    With nut, washer and O-ring Two mm bore

  • 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…

  • 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

  • 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…

  • PYREX Brand Stopcocks

    Corning

    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…

  • 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. 

  • Replacement Stopcock Plug

    Ace Glass

    Replacement stopcock plugs with inlet feeds for rotary evaporators. Codes -08, -10 for Buchi assemblies and -20 for Heidolph 4000 series. All plugs are 19/38.

  • 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

  • SYNTHWARE High Vacuum Valves, 90 Degree, Metering

    Kemtech America

    High Vacuum Valve, Metering, 90 degree, Synthware, Size: 0-8mm, Side Arm OD: 9mm.

  • Stopcock Assembly

    Thermo Scientific Nalgene

    Phase interface visible down to stopcock. Polypropylene funnel and screw closure are chemically inert, translucent, autoclavable and have no known solvents at room temperature. Susceptible to softening and swelling from strong oxidizers and aggressive solvents. TFE stopcock assembly has…

  • PYREX Brand Stopcocks With Stopcock Plugs Of Glass

    Corning

    Plug bore x o.d. of arms appear in listings

  • PYREX® Brand Stoppers

    Corning

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

  • SYNTHWARE Glass Straight Bore Stopcock Plugs

    Kemtech America

    Stopcock Plug, Glass, Straight Bore, Synthware, Multiple Bore and plug sizes available.

  • Double Vacuum/Gas Manifolds With PTFE Valves

    DWK Life Sciences (Kimble)

    For connecting inert gas and vacuum sources Grease-free, fine control is provided by 4 mm PTFE HI-VAC® valves. Sample contacts only PTFE and borosilicate glass. Beams are 1/2” (12.7 mm) O.D. with upper left and lower right ends open. Delivery ports are 9 mm O.D and the distance…

  • Adapter, Stopcock, Hose connection

    Ace Glass

    Stopcock adapter featuring either a bent or straight hose connection and a glass plug.

  • 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

  • PYREX® Straight Bore Stopcocks

    Corning

    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

  • SYNTHWARE Sublimation Apparatus

    Kemtech America

    Sublimation Apparatus, Synthware, Capacity: 100 or 150mL available, Flange Size: 57 or 80mm available, supplied complete with condenser, flask, O-ring and horseshoe clamp.

  • Replacement PTFE Product Standard 4mm Straight Bore Stopcock Plug Assembly

    Corning

    These are replacement Polytetrafluorethylene (PTFE) Product Standard stopcock plug assemblies with 4mm and 6mm diameter bores for No. 7282 PYREX® straight bore PTFE stopcocks. For more information on PTFE stopcocks, please check the Care of Corning PYREX® PTFE Stopcocks under Technical Literature.

  • Stopcock, High Vacuum

    Ace Glass

    Precision grade, with 3-way oblique stopcock. Available with oblique bore hollow or solid plug. Plug has hole to permit evacuation of the lower chamber and prevents leakage through the bottom.

  • Adapter, with Stopcock, Maxi #15 Ace-Thred

    Ace Glass

    Stopcock adapter, inner joint bottom, #15 top, stopcock side arm with PTFE plug and hose connection end. With a #15 nylon bushing, 7506-06, adapter can accomodate 12.5 to 14mm electrodes, finger consensers, etc. Suitable for vacuum work. See 7855-716 f

  • Stopcock, High Vacuum

    Ace Glass

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

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

    Corning

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

  • SYNTHWARE PTFE Stopcock Plugs, Metering Valve

    Kemtech America

    Stopcock Plug, Metering, PTFE, Synthware, Bore: 2 or 4mm available, Plug Size: 11/25 or 15.2/30 availabe, with threaded PTFE needle valve for the fine control of flow through the bore of the stopcock plug.

  • SYNTHWARE High Vacuum Valves, T-Type

    Kemtech America

    High Vacuum Valve, T-Type, Synthware, Size: 0-12mm, Side Arm OD: 9mm.

  • Labeled Bench Service Stopcocks

    Water Saver Faucet Co.

    Of chrome-plated brass Spring-loaded ground key stopcock with index labeled gas, air or vacuum Maximum recommended gas line pressure 10 psi (69 kPa) Have 3/8” i.p.t. male thread and serrated outlet 48 mm long, which tapers from 13 mm to 6 mm. Outlet bore 3 mm without flange.

  • Stopcock Reus 470V 2 Way Valve

    BD

    Modified two-way automatic valve AT shaped with female BD Luer-Lok™ and female BD Luer-Lok™ side connection (non-return type) 1 each

  • Polypropylene Stopcock with PTFE Plug

    Bel-Art Products

    Stopcock to control airflow in a vacuum desiccator, for use with Bel-Art Scienceware desiccator models F42025, F42020, F42010, F42012, F42022 and F42027 Body constructed of polypropylene for strength, thermal performance, and solvent resistance, and plug and washer of polytetrafluoroethylene…

  • Stopcock, High Pressure, T-Bore

    Ace Glass

    Three-way high pressure T-bore stopcock with solid plug.

  • PYREX® Plain Bore Rotaflo® Three-Way Stopcock

    Corning

    These high performance Rotaflo® three-way stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm O. D. sidearms. They are designed so that only chemically resistant polytetrafluoroethylene (PTFE) and PYREX® borosilicate glass are in contact with liquids and gases. The Rotaflo®…

Compare Tool

Select up to 3 products

Please Log In

Don't have an Account? Create one now.