focus on the design concept and technology of the ball valve
w. nmrv series worm gear units adopts single-stage worm gear drive, w series can adopt foot-mounted and flange-mounted, which can realize multiple mounting modes such as worm up, worm down, worm side, etc. the input can be directly connected with the motor. nmrv series adopts square cast aluminum box body, which has beautiful appearance and good heat dissipation performance, and can be installed on multiple sides. w. nmrv series worm gear units has the characteristics of compact structure, small volume, light weight, flexible use and installation, stable transmission, low noise, economic and practical.