Stopcocks

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Stopcocks

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  • 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 Double Oblique Bore Stopcock

    Kimble

    With nut, washer and O-ring Two mm bore

  • Teflon Straight Bore Stopcocks

    Kimble

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

  • 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

  • One-Way Stopcock Valve Female Luer to Male Luer

    Kimble

  • 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, 2 mm

    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.

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

    Kimble

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

  • PYREX® Brand Stoppers

    Corning

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

  • 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,…

  • Needle Valves, V-Point

    Scott Specialty

    With forged brass body, sharp stainless steel needle and small opening at the seat for accurate control of small flow of gases at inlet pressures up to 3000 psig at 70°F (20.7 MPa at 21.1°C) Maximum temperature rating: 450°F (232°C) Useful also for water, compressed air…

  • Valve High Vac PTFE Sz 8

    Kimble

    This straight high-vacuum valve is for use in vacuum applications up to 5 x 10-7 Torr. Designed with a precision external thread for fine control Can be used as a bleed up to 1/2 turn Full open position is at 1-1/2 turns Primary seal is made with a FKM o-ring on a tapered seat …

  • PTFE Stopcock Valve, 2 Way

    Ace Glass

    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.…

  • Replacement Parts for LG-10282 & LG-10283

    Wilmad LabGlass

    These replacement parts are for use with high vacuum, PTFE stopcocks (LG-10282 and LG-10283).

  • Stopcock Rotaflo 6 mm Ra

    Corning

    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. …

  • 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

  • Straight Bore Stopcocks with Glass Plug

    Wilmad LabGlass

    These borosilicate glass straight bore stopcocks with straight sidearms include stopcock plugs and barrels that are ground to interchangeable Standard Taper specifications. Plugs (also sold separately) are solid and have a 1:10 taper.

  • 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…

  • Adapter, Septum Inlet, with Stopcock

    Ace Glass

    Air-sensitive sample handling adapter features either a glass or PTFE t-bore stopcock, standard taper joint and septum port arms. Supplied with two septa, Ace 9096 family.,/p>

  • Adapter, Distillation, Pilot Plant

    Ace Glass

    Distillation adapter for use with Pilot Plant reactors. Simple design collects the distillate above a PTFE stopcock with swagelok compatible take-off. Available with either one or two upper joints.

  • Adapter, Claisen, Stopcock

    Ace Glass

    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.

  • 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.

  • Adapter, Stopcock, Hose connection, PTFE plug

    Ace Glass

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

  • Adapter, Stopcock, Hose connection

    Ace Glass

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

  • Adapter, PTFE Stopcock, Inner Drip Tip

    Ace Glass

    Straight connecting PTFE stopcock adapter with standard taper joints. Bottom joint connection has an inner drip tip tube.

  • Adapter, Stopcock and syringe port

    Ace Glass

    Standard taper adapter with 8-425 gpi threaded top and a 2mm bore stopcock with a ptfe plug. Syringe port is supplied with a cap and septum.

  • Straight connecting adapter, 4mm glass plug stopcock, 15mm O-Ring top joint

    Ace Glass

    Straight connecting adapter, 4mm glass plug stopcock, 15mm O-Ring top joint and either a spherical joint or an inner standard taper joint on the bottom.

  • Stopcock adapter, top outer joint, bottom inner joint, glass plug

    Ace Glass

    Stopcock adapter, top outer joint, bottom inner joint, glass plug. Spherical joint versions are both outer joints top and bottom.

  • Straight connecting PTFE stopcock adapter. 15MM O-Ring top joint

    Ace Glass

    Straight connecting PTFE stopcock adapter. 15MM O-Ring top joint, either a spherical or standard taper bottom joint. Comes with FETFE O-Ring.

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

    Ace Glass

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

  • Stopcock adapter, top outer joint, bottom inner joint, PTFE plug

    Ace Glass

    Stopcock adapter, top outer joint, bottom inner joint, PTFE plug. Spherical joint versions are both outer joints top and bottom.

  • Stopcock adapter, top outer joint, bottom inner joint, PTFE plug

    Ace Glass

    Stopcock adapter, top outer joint, bottom inner joint, Easy Action plug

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