Glass Valves

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Glass Valves
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Hamilton

  • SYNTHWARE Glass Check Valves

    Kemtech America

    Check Valve, All Glass, Synthware, Hose Connections OD: 8mm, with ground seat for liquid seal.

  • Check Valve

    Ace Glass

    All-glass check valve with ground seat and precision ground solid ball. Suitable with mercury in the vertical position, more sensitive to other fluids in the horizontal position. Connections are 8mm O.D.

  • 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…

  • Synthware Transfer Valve Adapters

    Kemtech America

    Synthware valved transfer adapter. The 0-4mm high vacuum valves have two Viton o-rings on the shaft and an integral PTFE o-ring on the tip. The standard taper upper outer joint and lower inner joint are the same size.

  • Schlenk Vacuum Sample Tubes

    Wilmad LabGlass

    These borosilicate glass Schlenk sample tubes incorporate a grease-free high vacuum 0-4mm valve and are suited for pressure/vacuum applications. Ideal for reaction and storage of air-sensitive compounds. Sidearm can be connected to inert atmosphere/vacuum source or a manifold.

  • SYNTHWARE Solvent Still Head, High Vacuum Valves

    Kemtech America

    Solvent Still Head, High Vacuum Valves Capacity: 250mL Joints: 24/40 Valve Size: 0-4mm

  • SYNTHWARE High Vacuum Valves, 90 Degree, Metering

    Kemtech America

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

  • Valve High Vac PTFE Sz 4

    DWK Life Sciences (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 …

  • Double Vacuum/Gas Manifolds With PTFE Valves

    DWK Life Sciences (Kimble)

    …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 between the valves is 100 mm. Dimensions (mm): 8651N05: 300 L x 148…

  • 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.

  • SYNTHWARE Vacuum Manifolds, High Vacuum Valves

    Kemtech America

    With a serrated hose connection (10mm O.D.) at left or right hand side. Main tube is 22mm O.D. and the distance between valves is 100mm center to center.

  • L-Shape Flask Adapters

    Labconco

    Of borosilicate glass With vented Standard Taper male joint on one end. The other end is fire polished for attaching Lyph-Lock flasks to valves.

  • HT9 Glass Fiber Heating Tapes

    Electrothermal (Bibby Scientific US)

    HT9 Glass Fibre Tapes are flexible heaters that are ideal for heating columns, pipes, valves and transfer lines, especially when these applications need to be observed. They can be applied to metal pipes as well as glassware. The HT9 Series Glass Fibre Tapes have an element wound on a glass fibre…

  • HiVac Valve with Straight PTFE Plug

    Wilmad LabGlass

    …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 provides a non-rotating primary seal. Interchangeable between valves of the same bore size, valve plugs have two PTFE…

  • NMR Funnel Polypro 200mm

    DWK Life Sciences (Kimble)

    …outlet is molded polypropylene with a specially designed recess to securely hold a porous polyethylene bed support or a glass wool plug Supplied unassembled with a column, polypropylene reservoir and lower column fitting Polyethylene bed supports and on-off valves are available as accessories

  • 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.

  • HI-VAC® Straight Valves with Tip O-Rings and CTFE Plug

    DWK Life Sciences (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 …

  • Pressure Vacuum Valve NMR Tubes

    Wilmad LabGlass

    …to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings Pressure vacuum valve is made of PTFE, all other parts are Pyrex® or equivalent Due to the nature of glass, Extreme Caution should be exercised when using at elevated or reduced pressures as performance of…

  • SYNTHWARE Addition Funnels, High Vacuum Valves

    Kemtech America

    Addition Funnel, High Vacuum Valves, Synthware, Capacity: 100 or 250mL available, Joints: 14/20 or 24/40, High vacuum valve has PTFE O-ring at tip and PTFE wiper to protect Viton O-ring on shaft.

  • Fast-Freeze Borosilicate Glass Flasks

    Labconco

    …freeze-dry apparatus Flexible silicone rubber caps, which are placed over adapters in central port of cap to prevent loss of solids and cross-contamination Requires adapter for attachment to valves Comes complete with rubber top, glass bottom and a supply of filter paper and retainer rings

  • Glass Collecting Bulb, Ace-Thred

    Ace Glass

    With #7 Ace-Thred end valves that insure tight fit without grease. No stopcock plugs to pop out. Nylon bushing tightens into the internally threaded glass to form an O-Ring compression seal. Each bulb has a syringe sampling port and is supplied with two bushings, two FETFE O-rings and one septum.…

  • PYREX® 60mL Replacement Squibb Separatory Funnel WITHOUT Valve and Stopper

    Corning

    These replacement 60mL PYREX® Squibb separatory funnels do not have a Polytetrafluorethylene (PTFE) valve assembly or glass stopper.

  • Valved NMR Tubes

    DWK Life Sciences (Kimble)

    …NMR tubes Available in 7, 8 and 9 inch lengths Condensing takes place directly into the NMR tube using vacuum techniques. HI-VAC® valve allows for sample recovery and resealing as opposed to the permanent “seal-off” method. Precision grade NMR tubes are suitable for use…

  • Glass Separatory Funnel Kits

    Across International

    Introducing the new Ai separatory funnel kits with all PTFE valves. A separatory funnel, also known as separation funnel, separating funnel, or colloquially sep funnel, is a piece of laboratory glassware used in liquid-liquid extractions to separate (partition) the components of a mixture into two…

  • Stopcock, High Volume, Easy Action Plug, 90 degrees

    Ace Glass

    High vacuum stopcock with arms at 90 degree with variable openings from 0-3mm to 0-15mm. An ultimate vacuum of 10-7 can be realized with the standard three O-Rings. Smooth acting semi-needle valve permits fine adjustment of opening. Plugs available in

  • Adapter, Hose Connection, Metering Valve

    Ace Glass

    Adapter with outer joint top, hose connection bottom, glass or PTFE plugged metering valve. See 8223-02 glass or 8224-04 PTFE replacement plugs.

  • 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.…

  • Adapter Valve No.15 O-Ring Joints

    Ace Glass

    Borosilicate glass valve adapter with various Hi-Vac valve sizes and (2) No.15 O-Ring joints. Ideal for assembling Schlenk or vacuum lines Comes with (2) size -116 FETFE O-Rings.

  • Agitator, PTFE, Multi-Paddle, Pinned Valves

    Ace Glass

    PTFE, large-scale, multi-paddle agitator design to accept pinned bottom valves, like our 6482 flush-seal valve. The pin helps reduce wobble or flexing at higher rpm. 19mm agitators will fit drilled type or knob type 8076, 8078 and 8079 shafts.

  • Stop Valve Assembly Glass

    Agilent Technologies

  • Glass Barrel 20ml w / Detach Valve

    DWK Life Sciences (Wheaton)

    Spare graduated barrels for Socorex® self-refilling syringes. Barrels and plungers are interchangeable.

  • Agitator, PTFE, Multi-Paddle, Pinned Valves

    Ace Glass

    PTFE, large-scale, multi-paddle agitator design to accept pinned bottom valves, like our 6482 flush-seal valve. The pin helps reduce wobble or flexing at higher rpm. 28mm agitators will fit drilled type 8080 shafts.

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