Stopcocks

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  • High 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

  • High vacuum stopcock with arms at 90 degree with variable openings from 0-3mm to 0-15mm. An ultimate vacuum of 10-7 can be realized with the standard three O-Rings. Smooth acting semi-needle valve permits fine adjustment of opening. Plugs available in

  • Replacement 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.

  • 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…

  • Threaded vacuum stopcock comes with PTFE plug with hooded, bakeble handle. Needle valve version permits smooth valve adjustment down to 0.1 cc/min flow rate. Easy action version threads into heavy wall glass barrel also permitting smooth adjustment. Do

  • T-Bore stopcock plugs available in borosilicate or 1:5 PTFE.

  • Stopcock adapter, top outer joint, bottom inner joint, glass plug. Spherical joint versions are both outer joints top and bottom.

  • PTFE stopcock valve, 2-way, one 1/4 inch male luer port and one 1/4 inch male NPT port, 0.046 orifice. PTFE valve used with NPT fittings. Various ends available (male and female NPT, luer, 1/4" tube and 1/4"-28 UNF). IPS PTFE Stopcocks made of virgin PTFE. Compression ferrules made of virgin PTFE.…

  • Stopcock adapter, top outer joint, bottom inner joint, PTFE plug. Spherical joint versions are both outer joints top and bottom.

  • Pressure 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…

  • A ruggedly constructed stopcock with solid glass plug and tapered flange which insures maximum strength at the seal. Bore of side arms is equal to or slightly larger than bores of plug on all sizes. For plugs, see 8223.

  • Stopcock adapter, top outer joint, bottom inner joint, Easy Action plug

  • Double oblique bore stopcock plugs available in 1:5 PTFE or Borosilicate.

  • With polished barrels. For plug, see 8228, PTFE plug.

  • High vacuum stopcock that eliminates exposure to corrosive materials. Use to at least 13.6 Kg internal pressure. Variable openings from 0-3mm to 0-10mm. Ultimate vacuum of 10-7 can be realized with standard three seals. Smooth acting valve permits fine

  • Straight connecting PTFE stopcock adapter. 15MM O-Ring top joint, either a spherical or standard taper bottom joint. Comes with FETFE O-Ring.

  • Claisen 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.

  • 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

  • O-Rings available. Three-way high vacuum stopcock for use in combining materials in proportion or as common feed distributed in proportion. Easy action plugs act independently of each other and are connected to a common tubulation through a variable opening. Supplied with FETFE O-Rings. Stem O.D.…

  • Stopcock adapter featuring either a bent or straight hose connection and a PTFE plug.

  • Stopcock, Micro

    Ace Glass

    Specifically designed for micro chemical apparatus. The solid glass plug and barrel are lapped together to give a precision fit suitable for micro chemical requirements. Plugs are interchangeable within the meaning of ASTM Standard E 675.

  • Stopcock adapter featuring either a bent or straight hose connection and a glass plug.

  • High vacuum stopcock, precision grade, with oblique bore hollow plug.

  • Standard 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.

  • Used with distilling head to enable operator to determine reflux ratios and take-offs. Described in Industrial and Engineering Chemistry, Volume 14, No. 11, Page 902, Nov. 15, 1942.

  • Quick-open, valve-type stopcock with glass barrel, PTFE plug, and FETFE O-rings. Unique design allows introduction of particulates or capsules into a system using a rod or plunger. Barrel is angled with respect to the side arms, plug has corresponding

  • With solid plug. For plug only, see 8226.

  • Oblique bore with polished barrels. For plug only, see 8226.

  • Precision grade, with 3-way oblique bore stopcock. Available with a hollow or solid plug.

  • Air-sensitive sample handling adapter features either a glass or PTFE t-bore stopcock, standard taper joint and septum port arms. Supplied with two septa, Ace 9096 family.

  • Threaded vacuum stopcock with PTFE plug and new hooded handle that permits smooth needle valve adjustment down to 0.1cc/min. flow rate. In-line design of barrel offers less hold-up than with 8192 design. Double PTFE ring seals prevent exposure of FETFE

  • Three-way high vacuum oblique bore stopcock with liquid seal. The solid plug is bored to permit evacuation of the lower chamber and prevents leakage through the bottom.

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