Features :
Naichi narrow V-belts with high transverse stiffness , the transmission power higher 50%-100% than classical V-belt , the transmission limiting speed reaches 40 m/s , and the transmission efficiency over 95% .
Marking :
Narrow V-belt fall into two kinds : one kind is a basis system ( The Metric System ) , sectional type has SPZ , SPA , SPB , SPC four kinds . The other kind is a valid system ( The British System ) , sectional type has three kinds of 3V(9N) , 5V(15N) , 8V(25N) . V-belts of these types are marked according to the outside length of V-belt , if you have special requirement , please give clear indication on the orders .