Valve shut off is inside needle hub. Smallest shot size among time/ pressure values. 100psi Maximum fluid pressure. Minimum value pressure 70psi. Standard fluid housing is yy7 stainless steel. Recommended 18-32 gauge TE needles. Value package includes: Mounting bracket, fluid lines, luer lock inlet fitting, needle kit, value air hose. Typical dispenser fluids: ink, primer, UV, adhesive, Oil, Solvents, Alcohol.