Manufacturer of valves, needle valves, hydraulic needle valve, high pressure needle valves exporters, suppliers, based in India. The offered Needle Valves are mainly square body de signed so as to prevent leakage from the body and bonnet joint and also the gland packing used in it is of PTFE. The efficiency of the valve depends upon the ratio between the needle’s length and the diameter or the difference in the needle and seat diameter.