Vacuum Valve

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Vacuum Valve
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  • SYNTHWARE Schlenk Storage Tubes with High Vacuum Valves

    Kemtech America

    SYNTHWARE Schlenk storage tube with a high vacuum valve. The valve has a PTFE O-ring at the tip and a PTFE wiper to protect the O-rings on the shaft. Valve is used to control liquid or gas flow into the vessel.

  • 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 High Vacuum Valves, 180 Degree

    Kemtech America

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

  • Vacuum Aspirator Pump

    Bel-Art Products

    …11psi (7584 N/m2). Integral check valve resists corrosive filtrates and fumes Quick-disconnect hose fitting accepts 6.4 to 9.5mm (1/4 to 3/8") I.D. tubing Male thread faucet connection is 9.5mm (3/8") I.D Maximum attainable vacuum is 69.6cm Hg (27.4") with a flow of 6…

  • 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.

  • 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.

  • SYNTHWARE High Vacuum Valve Plugs

    Kemtech America

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

  • 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 …

  • 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, T-Type

    Kemtech America

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

  • SYNTHWARE Round Bottom Reaction Flasks with High Vacuum Valve

    Kemtech America

    SYNTHWARE round bottom single neck reaction flask with a standard taper outer joint and a high vacuum valve sidearm. Useful for sample storage or simple reactions. Valve plug may be removed to sample from the flask while an inert gas purge is passed through the sidearm.

  • SYNTHWARE Double Manifold, High Vacuum Valve

    Kemtech America

    This manifold is designed to incorporate a 0-8mm high vacuum valve as the vacuum shut-off. The front tube is for inert gases (17mm O.D.), with a 10mm hose connection. The rear tube is for vacuum (22mm O.D.), with two 35/20 socket joints. Please order each component separately.

  • SYNTHWARE Storage Flasks with High Vacuum Valve

    Kemtech America

    SYNTHWARE storage flask with high vacuum valve and side arm. Valve has a PTFE o-ring at the tip and PTFE wiper to protect the Viton o-ring on the shaft.

  • Pressure Vacuum Valve NMR Tubes

    Wilmad LabGlass

    Wilmad’s Pressure Vacuum Tube is the most reliable NMR tube on the market for medium range pressure (<300 psi) and ultra vacuum (10-8 torr) experiments. Connect to a 1/8" metal (SST or brass) vacuum line using Swagelok® fittings Pressure vacuum valve is made of PTFE, all…

  • Stainless Steel Vacuum Manifold

    Thermo Scientific Nalgene

    …three vacuum outlets, each with leakproof, two-way valve and vent port Each outlet securely holds a No. 8 stopper and the stem filter funnel without interference Autoclavable Easy manipulation of individual funnels due to spacing of outlets. Teflon stopcock on each valve shuts off…

  • SYNTHWARE Modified Schlenk Flasks with High Vacuum Valves

    Kemtech America

    SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 0-4 mm high vacuum valve in the side arm. The valve has a PTFE o-ring at the tip. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate…

  • Valve High Vac PTFE Sz 12

    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 …

  • Manometer With Needle Valve

    Buchi

    Manual vacuum regulation can also be a very cost-effective solution. Air is drawn in through a fine regulation valve and the resulting vacuum is set. A manometer displays the pressure. The recommended Woulff bottle acts as a buffer vessel and condensate trap.

  • Model 450 Vacuum Regulator

    DigiVac™

    The model 450 vacuum regulator measures 1-760 Torr via an isolated transducer, and also regulates vaccuum by applying DigiVac design and vacuum expertise to a proportional valve Super simple to use: just dial in your vacuum set point Utilizes downstream vacuum control which increases pump…

  • Vacuum Regulator - Relief Valve 1

    Gast

  • Vacuum Check Valve

    Thermo Scientific Nalgene

    Works best between 10 to 28 in. Hg Prevents back pressure with aspirator-type vacuum pumps Made of high-density polyethylene with gum rubber flap Serrated connectors on inlet and outlet take 1/4- to 5/16-inch-bore tubing Useful for vacuum systems Not for use with liquids

  • Filter Degasser

    Wheaton

    …used in most isocratic applications. Simply attach to any available vacuum line, put in filter and it is operational. In-line device can filter/degas 1 gallon in less than 10 minutes without an operator’s attention. Vacuum line also establishes siphon to transfer solvent to storage bottle.…

  • Double Vacuum/Gas Manifolds With PTFE Valves

    Kimble

    …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 between the valves is 100…

  • Hei-VAP Vacuum Valve

    Heidolph

    Required for Hei-VAP models with valve Regulated pumps External attachment design for easy cleaning Can be combined with the Woulff Bottle to one unit

  • SYNTHWARE High Vacuum Valve Plugs

    Kemtech America

    High Vacuum Valve Plug, PTFE Protected, Synthware, Size: 0-4, 0-8 or 0-12mm available, Plug has a machined in PTFE tip O-ring to make the primary seal.

  • SYNTHWARE High Vacuum Valves, Three-Way

    Kemtech America

    High Vacuum Valve, Three Way, Synthware, Size: 0-8 or 0-12mm available, Side Arm OD: 9mm.

  • SYNTHWARE High Vacuum Valve Metering Plugs

    Kemtech America

    High Vacuum Valve Meteing Plug, PTFE Protected, Synthware, Size: 0-4, 08 and 0-12mm available.

  • SYNTHWARE Reaction Tubes with High Vacuum Valve

    Kemtech America

    SYNTHWARE cylindrical reaction tube with a standard taper outer joint and a high vacuum valve sidearm. Useful for sample storage or simple reactions. Valve plug may be removed to sample from the tube while an inert gas purge is passed through the sidearm.

  • 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.

  • SYNTHWARE High Vacuum Valves, 90 Degree

    Kemtech America

    High Vacuum Valve, 90 Degree, Synthware, Size: 0-4mm, Side Arm OD: 9mm.

  • SYNTHWARE High Vacuum Valves, Three-Way, PTFE-Protected

    Kemtech America

    High Vacuum Valve, Three Way, PTFE Protected, Synthware, Size: 0-8mm, Side Arm OD: 9mm.

  • SYNTHWARE High Vacuum Valves, 90 Degree, Metering

    Kemtech America

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

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