Turn the nosepiece counterclockwise two turns and the syringe's integral sample storage valve is closed. The very small internal diameter of the needle contributes to the dead volume minimization.
Specification
Material: bevel tip stainless steel needle Needle size: 2 in. Features: needle bevel tip Manufacturer: VICI, 010031 Capacity: 250μL L needle: 2.25 in.
Features
Integral sample storage valve; Positive rear flange plunger stop; Modular construction; Leak-tight to 250 psi;