Stopcocks

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  • Centrifuge Tubes

    Chemglass

    TUBES, CENTRIFUGE, 50ML, Centrifuge tube with a short, conical bottom and 24-415 GPI threaded top. Fits I.E.C. shield number 320. Supplied complete with a Poly-Seal® polypropylene lined phenolic screw cap. TEST TUBE TONGS, Tongs are made of zinc coated steel, 6" overall length. Spring…

  • 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

  • For lubricating ground glass joints, glass stopcocks and valves, Tensette Pipets, and for sealing desiccators. Lubricant has low vapor pressure and resists attack by acidic and alkaline solutions.

  • ORGANIC CHEMISTRY LABSET KITS, 19/22, Chemglass organic chemistry kits contain the basic glassware required to perform basic experiments such as vacuum or atmospheric distillation, reflux or reflux with addition, extraction as well as other organic experiments. Each kit contains the 14 glass items…

  • 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

  • HiVac Valve with Straight PTFE Plug

    Wilmad-LabGlass - SP Scienceware

    These high vacuum valves have a barrel with two side arms attached at a 180° angle to each other and on the same plane. The borosilicate glass valve body features a precision-formed tapered valve seat and a precision tooled external thread. The design of cap (made of Delrin®) and valve stem…

  • Sciencware® Stopcocks

    Bel-Art - SP Scienceware

    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…

  • PTFE stopcock valve, 2-way, one 1/4 inch male luer port and one 1/4 inch male NPT port, 0.046 orifice. PTFE valve used with NPT fittings. Various ends available (male and female NPT, luer, 1/4" tube and 1/4"-28 UNF). IPS PTFE Stopcocks made of virgin PTFE. Compression ferrules made of virgin PTFE.…

  • PTFE Straight Stopcock Plugs

    DWK Life Sciences (Kimble)

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

  • 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

  • These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 6mm bore opening and have 10mm O. D. sidearms. They are designed so that only chemically resistant Polytetrafluoroethylene (PTFE) and PYREX® borosilicate glass are in contact with liquids and gases. …

  • Stopcock, 2 mm

    DWK Life Sciences (Kimble)

    As supplied with 1983J70 and J76 Kimble Economy Burets Plug bore two mm Also for replacement on Kimble 17800 and 17810 series Chromatography Columns and Kimble 29050-H and 29060-H series Separatory Funnels.

  • The 2mm through 6mm bore sizes are supplied complete with the listed size metal retaining clip CG-423. The 8mm and 10mm bore sizes are supplied with a #29 and #34 CG-145 Keck clip respectively.

  • Pressure gauges for monitoring pressure in several pieces of apparatus such as pressure vessels, pressure reactors & chromatography columns. Pressure ranges vary from 0-60psi and up to 0-400psi. Gauges have different NPT end fittings and internal materials, as well as various dial ranges. Some come…

  • T-Bore stopcock plugs available in borosilicate or 1:5 PTFE.

  • Adapter, Sampling

    Ace Glass

    With standard taper 24/40 joints and 1:5 solid PTFE stopcock plug connected to side of apron for removing distillate or sample. Plug bore is 2mm. Approximate capacity 125mL. Code -04 has #7 Ace-Thred after stopcock, code -29 has plain tubing.

  • High Vacuum Valve, 180 Degree, Synthware, Size: 0-4 or 0-8mm available, Side Arm OD: 9mm.

  • Double oblique bore stopcock plugs available in 1:5 PTFE or Borosilicate.

  • 3-way stopcock with T-bored solid glass plug. See Ace 8228 family for replacement plugs.

  • High vacuum straight thru stopcock available with several types of Easy Action plugs including bakeable PTFE, PTFE stem with glass filled PTFE threads, and glass with Nylon handle, for allowing smooth adjustment. A variety of replacement items are avai

  • 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.

  • STOPCOCKS, STRAIGHT BORE, GLASS PLUGS, CAPILLARY ARMS, Similar to CG-400, but with the sidearms being made of capillary tubing having the same bore as the plug. Supplied complete with metal retaining clip CG-423. STOPCOCKS, STRAIGHT BORE, SCHLENK, GLASS PLUGS, This stopcock is especially…

  • 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…

  • Claisen adapter. Center tube has 10/30 outer top for 76mm immersion thermometer and a 24/40 inner bottom. 75 degree take-off arm with 24/40 outer top and 24/40 inner stopcock side arm. Available with glass or PTFE stopcock plug.

  • Hi-vac valve with two sidearms sealed to the barrel at a 180° angle to one another and on the same plane.

  • Stopcock adapter, top and bottom o-ring joints, Easy Action plug,/p>

  • Scienceware® Stopcocks

    Bel-Art - SP Scienceware

    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

  • CHEM-VAC™ valve has single sidearm sealed at a 90º angle to the barrel. This inexpensive configuration allows for the lower portion of the barrel to be sealed directly to the apparatus being constructed, making for more compact, stronger assemblies. Valve has a TFE plug with three…

  • Precision grade, with 3-way oblique bore stopcock. Available with a hollow or solid plug.

  • 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.

  • High Vacuum Valve Plug, Synthware, Size: 0-4, 0-8, and 0-12mm available, Stem Material: PTFE,O-rings Material: Viton.

  • The StopCock discharge cocks fits all containers with G 3/4" connection threads. Thread adapters facilitate connection of cocks to nearly all containers. Fitting hose nozzles for StopCock available with outer thread Tight-closing for complete seal Especially effortless With…

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