SciMac Part# Size Price: Distributors Discount Price: 430-01-V 0-4mm $22.95 $16.50 430-02-V 0-8mm $29.15 $21.90 430-03-V 0-12mm $36.00 $27.00

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• Item 420 Replacement High Vacuum PTFE Valve, Viton O-ring, Control cap PTFE Valve, Black UHMW double threaded control cap, Viton O-rings SciMac Part# Size Price: Distributors Discount Price: 420-01-V 0-4mm $14.45 $10.83 420-02-V 0-8mm $20.00 $15.00 420-03-V 0-12mm $21.80 $16.33

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• Item 6200 Replacement High Vacuum PTFE Valve, Viton O-ring, Control cap PTFE Valve, Black UHMW double threaded control cap, Viton O-rings SciMac Part# Tip O-ring Size Shaft O-ring Size Price: 6200-01-V 007 010 $3.25 6200-02-V 108 110 $3.50 6200-03-V 109 111 $3.75 ........ • Item 587 Series, Threaded Stopcock Stopcock is designed so that only PTFE and Borosilicate glass are in contact with liquids and gasses. Our innovative Valve allows finer flow adjustment of liquids and gases by adjusting the pressure on the inner rubber core producing a tighter seal. The threaded stopcock comes complete with a 10mm OD glass Barrel. • Teflon Valve, control Cap & Glass Barrel SciMac Part# Size Price: Distributors Discount Price: 587-01 0-2 $36.00 $18.00 Replacement Teflon Valve with control Cap 587-02 0-2 $24.00 $12.00 ........ ........ • 595 Series, Inlet Valve, High Vacuum Item 595 Inlet Valve, High Vacuum, control Cap & Glass Barrel SciMac’s Venting valve has been designed to be a vent or inlet valve for vacuum systems. Can also be used to construct AIRFREE® or Schlenk glassware in place of the standard straight bore glass stopcock. Our valve does not require any type of grease or side arm because the valve allows the contents to drain directly through the center of the Teflon plug. An integral serrated hose connection for attachment to the vacuum or inert gas source. The bore is 4mm with an 8mm OD hose connection. The primary seal is accomplished on the precision tooled seat with the shaft seal being made with our encapsulated O-Ring. SciMac Part# Size Hose Bore OD Price: Distributors Discount Price: 595-01 Complete 4mm 27.80 8mm $40.00 $20.00 595-02 Plugs Only 4mm 16.75 8mm $28.00 $14.00 400-01 Glass only 0-4mm $16.00 $8.00 ........ • Item 571 Series, Metering Valve, High Vacuum SciMac's Metering valve has an extended tip on the valve stem to allow needle like control of gases and liquids. The Teflon encapsulated O-ring design stem provides an excellent vacuum tight seal. Metering Valve, High Vacuum, control cap & Straight Glass Barrel SciMac Part# Bore Size Price: Distributors Discount Price: 571-01 Complete 4mm $39.00 $19.50 Replacement Teflon Valve with control cap 571-02 4mm $24.00 $12.00 ........ • Item 585 Series, Reaction Flask Lower Drain Valve, Tef-Cap O-Rings The SciMac Drain Valve allows the contents of the flask to drain directly through the center bore of the plunger. Constructed entirely of Teflon, when closed the top of the plug seals flush into the lower drain opening of the flask avoiding any gaps that could collect sample material. The SciMac valve permits total mixing and when open complete drainage of the entire of the flask. The lower portion of the valve has a 6mm Inner diameter on the 12mm size and a 12mm Inner diameter on the 20mm size for attachment of flexible tubing to allow material to be transferred into a collection vessel. The 20mm size will allow solids up to 2mm in size to pass through and the 12mm size permits solids up to 1.5mm. The complete Valve consists of a Glass barrel, PFTE stem and Delrin control cap. Teflon Drain Valve, control Cap & Glass Barrel SciMac Part# Size Price: Distributors Discount Price: 585-01 12mm $172.85 $86.40 585-02 20mm $298.00 $149.00 Teflon Valve and control cap SciMac Part# Size Price: Distributors Discount Price: 585-10 12mm $120.00 $60.00 585-11 20mm $168.00 $84.00 ........ • Item 586 Series, Reaction Flask Lower Drain Valve, Extended tip, Tef-Cap O-Rings Our reaction Flask Drain Valve is designed with an extended tip which fills the seat area of your flask allowing total agitation of the content of the vessel. Constructed entirely of Teflon, when closed the top of the plug seals flush into the lower drain opening of the flask avoiding any gaps that could collect sample material. The SciMac Drain valve is constructed with the same encapsulated O-rings as our 400 & 500 series valves, and has an integral Teflon tip o-ring. Open by turning the control Knob to allow the plunger to release. The plunger Diameter corresponds to diameter of the lower drain in the flask. Available in 12mm & 20mm Glass barrel sizes. The complete Valve consists of a Glass barrel, PTFE stem and Delrin control cap. Extended tip Teflon Drain Valve, control Cap & Glass Barrel SciMac Part# Size Price: Distributors Discount Price: 586-02 12mm $96.00 $48.00 586-03 20mm $275.00 $148.00 Extended tip Teflon Drain Valve, control Cap SciMac Part# Size Price: Each Distributors Discount 586-10 12mm $60.00 $29.00 586-11 20mm $155.00 $69.00 ........