3-way Stopcock

Cadence Science® stopcocks are precision-machined, individually lapped, and carefully mated to maintain pressure characteristics. These stopcocks are easily integrated with other stopcocks, manifolds, adapters, tubing, needles, and glass syringes. Made from nickel plated brass or…

Heavy-duty nylon, 3-way control with locking fittings on all ports. 

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

Inlet tube bent straight back Graduation interval 0.1 mL Overflow cup with drain tube Scale is durable black ceramic enamel PTFE stopcock plug with 2 mm bore, inlet tubing for refilling. Auto zero reservoir top.

…individualized serial number Supplied with a Certificate of Graduation Accuracy Scale is durable white ceramic enamel Stopcock for both sizes is Ps 2. Filling is through stopcock; filling tube accepts 1/4” i.d. flexible tubing. 1990U10 has 0.01 mL subdivisions and a tolerance of ±0.01 mL.…

…of Graduation Accuracy Designed from ASTM Specification E 287, Class A requirements For replacement stopcock, see Thomas number 8682S16 Filling tube accepts 1/4” i.d. flexible tubing. Filling is through stopcock. KIM-KAP ® dust cap is included. Scale is durable white enamel. Plain top.

Nylon stopcock features 3-way control with female Luer-Lock inlet and male Luer-Lock outlet ports.

… filter flask, filter flasks, filtering flasks, flask filter General description 1,000 mL, with 3-way glass stopcock. Allows waste solvent to be drained from flask via stopcock without disassembly, thus minimizing breakage. Use with NMR tube cleaners, Gooch crucibles, and Buchner funnels.…

3-way stopcock with T-bored solid glass plug. See Ace 8228 family for replacement plugs.

2-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 rating…

…and internal materials, as well as various dial ranges. Some come with nylon adapters to match to Ace-Threads, NPT threads and 1/4-UNF threads. One style comes complete with a 3-way tubing connector for in-line connection. Code -52 is a compound gauge for both pressure and vacuum applications.

Precision 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.

…tube and overflow tube Kimax®, with 3-way PTFE stopcock overflow cups and refill tube. Filling is through stopcock. Overflow tube at the top of the buret that accepts 1/4” i.d. flexible tubing. Buret is self-zeroing style. Stopcock for all sizes is Ps2. Scale is durable black…

…resistant to acids. The tapered branch accepts a 40/35 female joint to adapt to microanalysis units. The valve is PVC with a PTFE stopcock. The 3-way PVC valve with PTFE stopcock allows the manifold to be vented to atmosphere when used under closed conditions without breaking the vacuum connection.…

…Beverage, and Pharmaceutical Industries. The standard cup accepts a No.8 or 8b stopper to adapt to various microanalysis units. The 3-way valve with PTFE stopcock allows the manifold to be vented to atmosphere when used under closed conditions without breaking the vacuum connection. The valve vent…

…various microanalysis units. Valves have a PTFE stopcock. Available with 2-way or 3-way valves. Use the 3-way valve when the manifold is used under closed conditions and must be vented to the atmosphere without breaking the vacuum connection. The 3-way valve vent is female luer slip and accepts a…

…units on the 6-place model. Valves have a PTFE stopcock. Available with 2-way or 3-way valves. Use the 3-way valve when the manifold is used under closed conditions and must be vented to the atmosphere without breaking the vacuum connection. The 3-way valve vent is female luer slip and accepts a…

…Chem-Cap® valves provide for grease-free, leakproof seals. Lower 3-way valve (C) allows for solvent return to flask, take-off or storage in graduated reservoir. Syringe access port (B) incorporates a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septum stoppers permitting…

Similar in design to AF-0720 but without delivery adapter. Lower 3-way valve has been replaced with a single 0-4mm Chem-Vac™; Chem-Cap®; valve for draining distillate back into the flask. The uptake tube has one row of vigreux indentations, while the 14/20 top outer joint has been…

…Syringe access port (B) incorporates a 4mm PTFE stopcock with a 14/20 outer joint for use with CG-3022 septum stopper permitting repeated syringe punctures or changes of the septum without breaching the integrity of the solvent. Lower 3-way valve (C) allows for solvent return to flask, take-off…

…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 of manifolds, adapters, etc. VALVES, 1-ARM, EXPOSED O-RING…

…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, adapters, etc. VALVES, 1-ARM, PTFE TIP, This hi-vac…