High-pressure Needle Valves
Características
Maximum working pressure:10000 psig (689 bar)
Working temperature:
PTFE:-65°F to 450°F (-54℃ to 232 ℃)
PEEK:-65°F to 500\”F (-54℃ to 260℃)
Graphite:-65°F to 1200°F (-54℃ to 649℃)
One-piece body construction
Two-stem design: thread hardened upper stem and smooth surface hardened lower stem
Upper stem thread lubricant isolated-from system media
Linearly in stead of helical movement of the non-rotating lower stem, avoiding galling damage to the seat and tip,as well as reducing the total friction area between the packing and the lower stem
Safety back seating seal in fully open position
Panel mounting available as an option
Steady and durable fastening of the handle by double lock-pins
Handle of different colors available for option
Leak-tight performance testing for every valve with nitrogen at 6000 psig