2-positions 6-port chromatography injection valve head

Two-positions 6-port chromatography injection valve head is self-developed, independently-manufactured, highly precise and reliable. The switch of entrance and exit is controlled and driven by cylinders.
• The surface of the rotor is specially treated to avoid adhesion.
• small running torque
• optional extension handle (2", 3", 4")
• long lifespan even under high temperature of 250℃
• the standard material of valve body is SUS316L，other materials can also be used in customization(Nitronic 60, hastelloy etc.)
• input pressure: 0~ 10MPa(liquid)，0~5MPa(gas)

Application
Multi-channel gas chromatography injection valve is widely used in laboratory gas chromatography instruments, VOC gas analyzers, multi-valve and multi-column instruments in petrochemical industry, laboratory gas control process and other occasions calling for gas injection, reverse blowing and switching.