Integral Bonnet Needle Valves

◎ One-piece forged body.
◎ Easy external adjustments by packing nut.
◎ Compact design.
◎ Handle of different colors available for option.
◎ Leak-tight performance testing for every valve at the maximum working pressure with nitrogen.
◎ Maximum working pressure:
NB Series (Soft sealing): 3000 psig (207 bar)，
NBH Series (Hard sealing): 5000 psig (345 bar)
◎ Working temperature:
PTFE: -65°F to 450°F (-54°C to 232°C)
PEEK: -65°F to 500°F (-54°C to 260°C