Lab Glass Stopcocks
-
SYNTHWARE Glass T-Bore Stopcocks
Kemtech AmericaStopcock, T-Bore, Glass, Synthware, Multiple Bore and plug sizes available, with solid glass plug.
-
Stopcock, High Vacuum, Easy Action Plug
Ace GlassHigh vacuum straight thru stopcock available with several types of Easy Action plugs including bakeable PTFE, PTFE stem with glass filled PTFE threads, and glass with Nylon handle, for allowing smooth adjustment. A variety of replacement items are avai
-
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.
-
General Purpose Threaded Stopcock
ChemglassSimilar to CG-595, but with the arms bent to minimize hold-up.
-
Solid glass plug has a threaded glass snelling which accepts an assembly similar to the one supplied with standard PTFE stopcocks. This consists of a PTFE washer, PTFE nut and Viton O-ring. Assembly provides for uniform seating tension to be applied to the plug which is precision ground and…
-
Adapter, Stopcock and syringe port
Ace GlassStandard taper adapter with 8-425 gpi threaded top and a 2mm bore stopcock with a ptfe plug. Syringe port is supplied with a cap and septum.
-
Scienceware® Stopcocks
SP Bel-Art2-Piece design requires no lubrication A quarter turn shuts off flow. Maximum pressure rating: 48 KPa (7 psi), 50cm of water. Easy, snap-together assembly creates a tight seal Select a size betweento fit tubing of 3/8 or ½" (9.5 or 12.7mm) I.D. Barbed connections
-
This is a replaceable glass tip for the Polytetrafluorethylene (PTFE) non-locking stopcock assembly No. 2145-SO.
-
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
-
-
PYREX® Brand Stoppers
CorningFull length stoppers, closed at bottom, with penny head Conform to ASTM Standard E 675
-
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
-
Three-Way Polypropylene Stopcocks with Teflon Plug
Thermo Scientific NalgeneSimilar to 8652N30 series, but with three arms Stopcock has T-shaped bore for connecting any two or all three arms Offered in 2 mm and 4 mm bore sizes Arms serrated to take 1/4 to 3/8 inch tubing
-
SYNTHWARE High Vacuum Valve Plugs
Kemtech AmericaHigh Vacuum Valve Plug, Synthware, Size: 0-4, 0-8, and 0-12mm available, Stem Material: PTFE,O-rings Material: Viton.
-
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.
-
Centrifuge Tubes
ChemglassTUBES, CENTRIFUGE, 50ML, Centrifuge tube with a short, conical bottom and 24-415 GPI threaded top. Fits I.E.C. shield number 320. Supplied complete with a Poly-Seal® polypropylene lined phenolic screw cap. TEST TUBE TONGS, Tongs are made of zinc coated steel, 6" overall length. Spring…
-
Stopcock adapter, top and bottom o-ring joints, Easy Action plug,/p>
-
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…
-
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.
-
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.
-
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.
-
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.
-
-
Similar to CG-446, but with the top oblique stem being made of 2mm ID capillary tubing.
-
Adapter, Claisen, Stopcock
Ace GlassClaisen adapter. Center tube has 10/30 outer top for 76mm immersion thermometer and a 24/40 inner bottom. 75 degree take-off arm with 24/40 outer top and 24/40 inner stopcock side arm. Available with glass or PTFE stopcock plug.
-
Stopcock, High Vacuum
Ace GlassPrecision grade, with 3-way oblique bore stopcock. Available with a hollow or solid plug.
-
KIMBLE® HI-VAC® Straight Valve with PTFE Plug, without Tip O-Ring, Bore Range 0…
DWK Life Sciences (Duran)Manufactured from borosilicate glass 3.3 Similar to 826500 but without tip O-Ring exposure. 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 …
-
High Vacuum Double Oblique Stopcocks
ChemglassHollow plug, double 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.
-
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.
-
These high performance Rotaflo® three-way 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®…
-
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.
-
T-Bore PTFE Plug Stopcocks
ChemglassA 1:5 taper PTFE stopcock with three stems sealed 90º apart. PTFE plug has a "T" shaped bore to connect any two or all three stems.