Lab Glass Stopcocks
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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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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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KIMBLE® HI-VAC® Straight Valve with PTFE Plug, without Tip O-Ring, Bore Range 0…
DWK Life Sciences (Duran)The straight high-vacuum valve without tip O-ring is for use in vacuum applications up to 5×10-7torr. Designed with a precision external thread for fine control Valve can be used as a bleed up to ¹/2 turn Full open is at…
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Three-Way Stopcock Valve, 2 Female Luers to Male Luer
DWK Life Sciences (Kimble)Heavy-duty nylon, 3-way control with locking fittings on all ports.
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This is a replaceable glass tip for the Polytetrafluorethylene (PTFE) non-locking stopcock assembly No. 2145-SO.
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Easy action PTFE plug with hooded handle, threaded into heavy wall glass barrel, permits smooth adjustment. Arms are at 90 degree angle. Double PTFE ring seal prevents exposure of FETFE backup O-Ring to corrosive gases and liquids. Plug, with hooded ha
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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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Stopcock Assembly
Thermo Scientific NalgenePhase interface visible down to stopcock. Polypropylene funnel and screw closure are chemically inert, translucent, autoclavable and have no known solvents at room temperature. Susceptible to softening and swelling from strong oxidizers and aggressive solvents. TFE stopcock assembly has…
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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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High vacuum stopcock, precision grade, with oblique bore hollow plug.
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Glass Plug Straight Bore Stopcocks
ChemglassThe 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.
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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.
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SYNTHWARE Plug Retention Kits
Kemtech AmericaPlug Retention Kit, Stopcock, Synthware, Stainless Steel, Multiple Plug Sizes Available.
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Stopcock, High Vacuum
Ace GlassPrecision grade, with 3-way oblique bore stopcock. Available with a hollow or solid plug.
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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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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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Stopcock adapter, top outer joint, bottom inner joint, PTFE plug. Spherical joint versions are both outer joints top and bottom.
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PYREX Brand Stopcocks
CorningValves, 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…
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Stopcocks
ChemglassFor replacement or construction of burets having a 1:5 PTFE stopcock plug. One arm is pulled to a delivery tip.
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These high performance Rotaflo® 90° angle stopcocks can be adjusted from a 0 to 3mm bore opening and have 8mm 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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SYNTHWARE Glass High Vacuum Oblique Stopcocks
Kemtech AmericaStopcock, High Vacuum, Oblique, Synthware, Bore: 4 and 8mm, Plug Size: 17.35/50 or 25/65 available, Stem OD: 10 or 16mm, with hollow plug, Precision ground with corresponding numbers on the barrel and the plug.
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Commercially available spigots made of the materials polyethylene or polypropylene cannot be used for solvents. The spigot StopCock PA is made of electrically conductive polyamide and therefore perfectly suitable for solvents. StopCock PA fits onto 3/4" outer threads and with the…
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Stopcock, High Vacuum
Ace GlassPrecision 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.
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High Vacuum T-Type 4mm Stopcock
ChemglassSimilar to CG-478, but with the addition of an extra horizontal sidearm. Precision ground and hand-lapped with corresponding numbers on barrel and plug.
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High Vacuum T-Bore Stopcocks
ChemglassSolid glass high vacuum stopcock with the NEW Chemglass improved 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…
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180° PTFE 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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High Vacuum Single Oblique Stopcock
ChemglassSolid plug, oblique bore stopcock is precision ground with corresponding numbers on barrel and plug. Lower vacuum chamber is evacuated with a separate hole in the plug which is not in the line of flow.
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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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Replacement one-piece stem and control knob for our NEW 0-14mm drain valve. Available with either a red indicator band used for high temperature applications up to 230°C, or with a blue indicator band used for low temperature applications down to -60°C. The high temperature plug…