Lab Glass Stopcocks
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Chem-Vac™ Glass Portion Only Valves
ChemglassCHEM-VAC™ valve glass portion only. Valve has a single sidearm sealed at a 90º angle to the barrel. Heavy duty rounded coarse thread and precision formed tapered seat. Dimensions as listed. PLEASE NOTE: THE 0-20mm BORE SIZE IS OUR PREVIOUS STYLE CG-500 SERIES VALVE WITH COARSE THREAD.
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High vacuum stopcock with easy action plug that has blunt, flat end instead of the tapered end supplied with 8194 or 8195. This modification means stopcock is a quick opening model versus the variable opening 8194 and 8195. Vacuums of 10-7 can be reali
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High Vacuum Straight Bore Stopcocks
ChemglassHollow plug, straight bore stopcock is precision ground and hand-lapped with corresponding numbers on barrel and plug. They are supplied complete with the listed size CG-423 metal retaining clip.
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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…
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J.Young high-vacuum PTFE valve
MilliporeSigmaThe J. Young high-vacuum PTFE valve helps in controlling the atmosphere when using air-sensitive materials.Features: •PTFE piston with unique PTFE-sheathed elastomer O-ring seals •Grease-free glass-to-PTFE seals •High-vacuum to 10-6 torr
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SYNTHWARE PTFE Stopcocks, Straight Bore
Kemtech AmericaStopcock, Straight Bore, PTFE, Synthware, Bore: 2, 4, and 6mm available, Plug Size: 11/25, 15.2/30, and 16/35 available, Stem OD: 8, 10, and 12mm available, with 1:5 PTFE plug and a threaded pressure nut.
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Replacement components for 1:5 taper PTFE plugs. O-rings are Viton, nuts are green, and washers are white.
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SYNTHWARE High Vacuum Valve Plugs
Kemtech AmericaHigh 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.
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Stopcock, Polyethylene Miniature
DynalonMiniature Stopcocks. The low friction properties of high density polyethylene allows for easy turning of key which requires no lubricant, thus eliminating blockage of the bores with grease.
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Adapter, PTFE Stopcock, Inner Drip Tip
Ace GlassStraight connecting PTFE stopcock adapter with standard taper joints. Bottom joint connection has an inner drip tip tube.
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Exposed O-ring Tip Valves
ChemglassHi-vac valve with two sidearms sealed to the barrel at a 90° angle to one another. Designed with a precision external thread for fine control.
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Organic Chemistry Labset Kit
ChemglassORGANIC 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…
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SYNTHWARE Plug Retention Kits
Kemtech AmericaPlug Retention Kit, Stopcock, Synthware, Stainless Steel, Multiple Plug Sizes Available.
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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,…
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Stopcock adapter, top outer joint, bottom inner joint, PTFE plug. Spherical joint versions are both outer joints top and bottom.
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Valve High Vac PTFE Sz 8
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 …
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SYNTHWARE Glass High Vacuum Double Oblique Bore Stopcocks
Kemtech AmericaStopcock, High Vacuum, Double Oblique, Synthware, Bore: 4mm, Plug Size: 17.35/50, Stem OD: 10mm, With solid glass plug, Precision ground with corresponding numbers on the barrel and the plug.
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SYNTHWARE O-Ring Kits
Kemtech AmericaO-Ring Ket contains the following: 1xR007 and 2xR010. O-Ring Kit contains the following: 1xR108 and 2xR110. O-Ring Kit contains the following: 1xR110 and 2xR112.
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Straight connecting PTFE stopcock adapter. 15MM O-Ring top joint, either a spherical or standard taper bottom joint. Comes with FETFE O-Ring.
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S-Type Exposed O-ring Tip Valves
ChemglassHi-vac valve with two sidearms sealed to the barrel at a 180° angle to one another and on the same plane.
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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…
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PTFE Valves
ChemglassVALVES, IN-LINE, PTFE TIP, Hi-vac valve with bent arms to minimize hold up of fluids that would occur in conventional valves. Designed with a precision external thread for fine control. VALVES, 3-WAY, PTFE TIP, Hi-vac valve with three way configuration for use in construction of manifolds,…
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Chem-Vac™ Glass Portion Only 180° Valves
ChemglassCHEM-VAC™ valve glass portion only. Valve has two sidearms sealed to the barrel at a 180º angle to one another and on the same plane. Heavy duty rounded coarse thread and precision formed tapered seat.
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CHEM-VAC™ valve glass portion only. Valve has two sidearms sealed to the barrel at a 180º angle to one another and bent to minimize hold up of fluids. Heavy duty rounded coarse thread and precision formed tapered seat.
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High Vacuum Double Oblique Stopcocks
ChemglassSolid glass high vacuum stopcock with the Chemglass constant pressure retention device. This unique retaining system incorporates a glass plug having an extended snelling which accepts a stainless steel spring and clip. The spring keeps constant tension on the plug at all times and is easily…
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SYNTHWARE Glass High Vacuum Stopcocks, 90 Degree
Kemtech AmericaStopcock, High Vacuum, 90 Degree, Synthware, Multiple bore and plug sizes available, Stem OD: 8, 10 and 12mm available, with hollow glass plug, Precision ground with corresponding numbers on the barrel and plug.
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These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 10mm bore opening and have 13mm 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®…
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Adapter, Sampling
Ace GlassWith 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.
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SYNTHWARE Sublimation Apparatus
Kemtech AmericaSublimation Apparatus, Synthware, Capacity: 100 or 150mL available, Flange Size: 57 or 80mm available, supplied complete with condenser, flask, O-ring and horseshoe clamp.
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SYNTHWARE PTFE Double Oblique Bore Stopcock Plugs
Kemtech AmericaStopcock Plug, Double Oblique, PTFE, Synthware, Bore: 2 or 4mm available, Plug Size: 12.9/44 or 14.4/44 available.
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