VICI Valco Instruments Co. Inc. P.O. Box 55603 Houston. Texas 77255 (713) 688-9345 TWX 910-881-5550 Telex 79-0033
Valco Switzerland Tannenberg P.O. Box 13 CH-6214 Schenkon (045) 216868 Telex 72609 vici ch
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e fraction collectif e sample infection • s t r e a m selection e reactor selection ο column selection
Air actuation with complete computer interfacing shown
POWERFUL NEW TOOLS Valco multiposition switching/sampling valves present a world of possibilities. SD Type F l o w p o t h Inputs dead-ended, flow when selected, or input to multiple selected outputs.
SC T y p e F l o w p a t h All inputs to a com mon outlet except selected one.
* F type Flowpath Each input flows to individual outlet except selected one which is diverted.
CIRCLE 233 ON READER SERVICE CARD
ST T y p e F l o w p a t h Used for multicolumn, multisampling, or multitrap selection. Inlet