RoHS COMPLIANT, 4000 PSI MAX WP GRADUATED KNOB & SPINDLE, BUNA O-RING/PTFE STEM PACKING, 5700 PSI MAX WP TEMPERATURE -4 DEGREES F TO +176 DEGREES F, 5700 PSI MAX WP THESE VALVES TO BE USED AS CONTROL OF LOW ONLY. NOT TO BE USED AS ISOLATION OR SHUT-OFF VALVES