D-Series Syringe Pumps - Isco

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D Series Syringe Pumps Section 7 Gradient Pumping for Pressure, Flow, and Concentration Modes 7.2.3 Dual System Gradient Connections Connection of the dual gradient system requires two refill valve kits and the gradient mixer package, as discussed in the introduction on Page 7-1. The static mixer has an internal volume of 3.1 µl and pressure rating of 413.7 bar, and is supplied with PEEK Fingertight III fittings for connection to the 1 /16" tubing in the kit. Note The static mixer can be replaced by a user-supplied dynamic mixer. Solvents are fed from each pump through the in-line filters and check valves, and into the static mixer, where they are mixed and fed into your system apparatus. Kit components and connections are shown in Figures 7-3 and 7-4. 1. Connect the 10 cm length of 1 16" stainless steel tubing to the center port (outlet) of the mixer using the PEEK fittings provided. 2. Connect the other end of the tubing to the Valco valve at the port marked “P” (pump), using a Valco 1 16" nut and ferrule. 3. Connect the two in-line filters, oriented with flow toward the check valves (indicated by the arrow on the housing), one filter to each piece of 1 16" stainless steel tubing outlet from each pump. 4. Using the PEEK fittings, connect the 45.7 cm lengths of 1 16" stainless steel tubing to each inlet port on the mixer. Connect the other ends to the outlet fittings of the check valve assemblies. 5. Connect the two check valve inlets to the outlets of the in-line filters with the 12.7 cm lengths of tubing. 6. Press the check valves into the clips on the stand, as shown below, oriented with flow in the upward direction (indicated by the arrow on the housing). 7-6
D Series Syringe Pumps Section 7 Gradient Pumping for Pressure, Flow, and Concentration Modes 1/8” OD X 0.069”ID SST TUBING INLET OUTLET OUTLET D INLET B C (from refill kit) VALVE A (from refill kit) 1/8” OD X 0.085”ID PTFE TUBING 1/8” TO 1/16” REDUCER flow FILL RESERVOIR 10µ FILTER flow INLINE FILTER (to apparatus) MIXER CHECK VALVES 1/16” OD X 0.020”ID SST TUBING VALVE STAND Figure 7-3 Dual gradient system connections (Inlet valves (A & C) are from refill valve kits) Close-up of valve stand Close-up of mixer assembly Close-up of in-line filter flow flow Figure 7-4 Dual gradient connections: Detail 7-7
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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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