D-Series Syringe Pumps - Isco

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D Series Syringe Pumps Section 8 Continuous Flow Introduction, Installation, & Operation 8.9 Accessories Teledyne Isco offers a temperature control jacket (68-1247-057) for the all pumps. Temperature control jackets are compatible with continuous flow valve packages and may be needed, for example, for barrel cooling when pumping a liquefied gas. Teledyne Isco Continuous Flow systems do not include temperature control jackets. Temperature control jacket part numbers 1000D 68-1247-115 500D 68-1247-057 65D, 100DM/DX, 260D 68-1247-047 Insulation covers are not compatible with continuous flow valve packages and should not be needed with the flow rates used in continuous flow. For information on other accessories please contact Teledyne Isco at: (800) 228-4373 or (402) 464-0231 or IscoInfo@teledyne.com 8-20
D Series Syringe Pumps Section 9 Modifier Addition 9.1 Introduction The Teledyne Isco modifier addition systems utilize two D Series syringe pumps regulated by one controller to deliver a mixture of supercritical fluid and modifier to one or more Model SFX 2-10, SFX 220, or SFX 3560 extractors. Note The configurations described in this section apply to 65DM, 100DM, 100DX, 260D, 500D, and 1000D pumps that use Valco or SSI fittings. The 65D pump can be configured and operated in a similar manner. However, due to the higher operating pressure and the AE F250C fittings, the 65D requires hardware that is not listed in this section. Call the factory for details to configure a 65D pump for this type of operation. Pump A delivers supercritical fluid while pump B meters modifier. Both fluids pass through one-way check valves before they meet and are blended together in a mixing tee. Modifier concentrations of up to 100 percent (v/v) are programmable via the controller. If higher concentrations are needed, put the modifier in pump A to be delivered as the primary fluid. Both pumps operate in constant pressure mode and will flow up to their maximum rate to maintain the set pressure. When modifier addition mode is selected and the RUN key is pressed, pump A pressure is ramped at its maximum flow rate to the set pressure while pump B waits at a lower pressure (3.5 bar). The user can increase the pump B minimum pressure if the modifier boils at room temperature and 3.5 bar. See Section 9.4, Modifier Addition. Once pump A has reached the set pressure, the controller will enter a hold mode and wait for a pressure drop, with opening the extractor inlet to signal the start of “EQUILIBRATION,” or the user can press the “RUN” key to start equilibration. Note Flow must then be started through the system by opening all valves! The modifier pump will not equilibrate properly without flow. Then pump B pressure is slowly ramped upward until its check valve is detected to open. At this point, the controller exits “EQUILIBRATION” mode and displays the message “RUNNING” on the front panel display. 9-1
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D-Series Pumps Installation and Ope
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D Series Syringe Pumps Warnings, Ca
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D Series Syringe Pumps Table of Con
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D Series Syringe Pumps: Models 65DM
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D Series Syringe Pumps: Model 500D
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D Series Syringe Pumps: Model 65D S
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D Series Syringe Pumps Index A Acc
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Compliance Statements NOTICE Disreg
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DECLARATION OF CONFORMITY Applicati
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Warranty
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D-Series Syringe Pumps - Isco

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