Combo Cap Assembly with 4 way valve. This cap assembly will accept Septum Top Bottles with 13 mm septum, 20 mm screw cap bottles and 24 mm screw cap bottles. This is typically used for amidites on an oligo synthesizer but it can be used for other applications where a bottle of these cap sizes needs to have the ability to attach tubes and seal very well. Please specify the number of tubes that need to be attached, the size of each tube and if the tube is for pressure / vent or to flow liquid out of the bottle. This assembly does not include any tubing but ther are 2 each 1/4-28 ports for attaching tubes and one each pull through port for attaching a 1/16 OD tube. More tube connection ports can be added if needed. This includes a 4 way manual valve mounted to the top of the bottle cap assembly. This allows the user to control one tube and switch it to connect to one of 4 other tubes. If it is used in a pressure system to deliver reagents with the outlet tube going to a delivery system, the outlet tube can be connected to the bottle or to one of 3 other sources such as an acetonitrile source for washing or a gas source etc.
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