A ball valve is a valve with a spherical disc, the part of the valve which controls the flow through it.

Full Bore is a wide flow channel, and its size can not be less than the value of the standard provisions,

probably with thespecifications public DN quite as DN50 full bore ball valve runner diameter of about 

50; the necking valve channel inlet widthinthe flow channel diameter, the actual flow channel 

diameter is probably smaller than the specifications specifications, DN50reduced bore ball valve flow 

to the diameter of about 38, roughly with DN40 specifications quite.Full bore ball valve: straight pipe 

diameter, reduced bore ball valve: the pipeline is descending;