Lab Glass Stopcocks
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Stopcock adapter, top and bottom o-ring joints, Easy Action plug,/p>
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High vacuum stopcock with Tef-Cap O-Ring seals with variable openings from 0-3 to 0-10mm. Eliminate exposure to corrosive materials. For use to at least 13.6 Kg internal pressure. An ultimate vacuum of 10-7 can be realized with the standard three seals
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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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High Vacuum Straight 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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SYNTHWARE Glass High Vacuum Straight Bore Stopcocks
Kemtech AmericaStopcock, High Vacuum, Straight Bore, Synthware, Bore: 2, 4 and 6mm available, Plug Size: 12/30, 17/40, and 20/44 available, Stem OD: 8mm, plug is precision ground and hand lapped with corresponding numbers on barrel and plug.
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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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Stopcock adapter, top outer joint, bottom inner joint, PTFE plug. Spherical joint versions are both outer joints top and bottom.
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Stopcock, High Pressure, Straight Bore
Ace GlassHigh pressure straight bore stopcock with solid plug.
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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.
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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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SYNTHWARE Glass T-Bore Stopcock Plugs
Kemtech AmericaReplacement Stopcock Plug, T-Bore, Glass, Synthware, Multiple Bore and plug sizes available, solid glass plug.
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Stopcock, 2 mm
DWK Life Sciences (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.
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SYNTHWARE Glass High Vacuum Stopcocks, Offset
Kemtech AmericaStopcock, High Vacuum, Offset, Synthware, Multiple bore and plug sizes available, Stem OD: 8, 10 or 12mm available, with hollow glass plug, Precision ground with corresponding numbers on the barrel and the plug.
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Straight Bore Glass Plug Stopcocks
ChemglassSTOPCOCKS, STRAIGHT BORE, GLASS PLUGS, CAPILLARY ARMS, Similar to CG-400, but with the sidearms being made of capillary tubing having the same bore as the plug. Supplied complete with metal retaining clip CG-423. STOPCOCKS, STRAIGHT BORE, SCHLENK, GLASS PLUGS, This stopcock is especially…
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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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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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T-Bore Glass Plug Pressure Stopcocks
ChemglassT-BORE, Similar to CG-458, but with three stems sealed 90º apart. Solid glass plug has a "T" shaped bore so that any two or all three arms can be connected at one time. Plug is precision ground and hand-lapped with corresponding numbers on the barrel and plug. DOUBLE OBLIQUE BORE,…
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Stopcock adapter featuring either a bent or straight hose connection and a PTFE plug.
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SYNTHWARE Plug Retention Kits
Kemtech AmericaPlug Retention Kit, Stopcock, Synthware, Stainless Steel, Multiple Plug Sizes Available.
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Exposed O-ring Tip Valves
ChemglassVALVES, IN-LINE, EXPOSED O-RING 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, EXPOSED O-RING TIP, Hi-vac valve with three way configuration for use in construction…
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PYREX® Brand Stoppers
CorningFull length stoppers, closed at bottom, with penny head Conform to ASTM Standard E 675
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Straight Bore 1-Arm Larger Stopcocks
ChemglassSimilar to CG-424 but with one arm of the stopcock being of a larger diameter. Larger arm facilitates construction of stronger apparatus such as separatory funnels and burets. Available complete with 1:5 taper PTFE plug or glass shell only. FOR REPLACEMENT PLUGS, SEE CG-424 LISTING
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High vacuum stopcock, precision grade, with oblique bore hollow plug.
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Replacement Stopcock Plug
Ace GlassReplacement stopcock plugs with inlet feeds for rotary evaporators. Codes -08, -10 for Buchi assemblies and -20 for Heidolph 4000 series. All plugs are 19/38.
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Teflon Straight Bore Stopcocks
DWK Life Sciences (Kimble)Complete with nut, O-ring, washer For replacement in glassware originally supplied with Teflon straight bore plugs
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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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Stopcock Plug, Inlet Feed
Ace GlassPressure gauges for monitoring pressure in several pieces of apparatus such as pressure vessels, pressure reactors & chromatography columns. Pressure ranges vary from 0-60psi and up to 0-400psi. Gauges have different NPT end fittings and internal materials, as well as various dial ranges. Some come…
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Sciencware® Stopcocks
SP Bel-Art2-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…
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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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Stainless Steel Spigot
BürkleVery sturdy and robust spigot made of stainless steel AISI 304 (1.4301). The outlet of the spigot turns 360° so it can be adjusted to any required position. With a practical suspension device for filling container and eyelet for shutting off the spigot. Seals PTFE, FKM Self-closing …