13-Port/1-Channel Switching Valve

Discontinued:12-Port multiposition valve head

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Article No.: A1378V1
Articlename: Discontinued:12-Port multiposition valve head

Discontinued:12-Port multiposition valve head

Disstainless steel, Tefzel, 1/8’’, including accessories Switching valves aid in the collection of fractions behind the column, as well as in several other switching functions. The 12-Port Multiposition Switching Valve has 12 switchable ports. The ports are annularly connected in two rows over the thirteenth central port and are connected to it according to switching status. At the same time only one of the 12 ports is connected to the central port. It is possible to manually control the valve or to control it with our HPLC software and or a RS-232 controller. The complete interface protocol documentation is included in the delivery.

Technical Data

Valve drive

Wetted parts stainless steel
Rotor seal material Tefzel
Capillary connection 1/8"
Maximum pressure stability 25 bar


Ambient conditions temperature range: 4–40 °C; 39.2–104 °F air humidity below 90 % humidity (non condensing)
Dimensions valve diameter 47.5 mm
Weight 0.3 kg


Function switching valve head
Port number 12-port multiposition

Documents and more information

Certified Quality 

KNAUER is known for the quality of its products and has been certified several times. We produce high-tech laboratory instruments for research, routine analysis and production for 59 years.
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In addition, we have extended documentation about all our products, including CE Declarations of Conformity.
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