Summary:
Ball valve is a kind of important valve type, in the petroleum chemical industry, long distance pipeline etc have extensive application. The valve is closed with a hole sphere (or parts), the ball with stem rotation, the realization of the valve open or closed.
In all kinds of valve, valve size, the minimum flow resistance, ball valves open channel, and channel equal diameter valve and into a diameter, medium without loss of almost can run.
Ball rotation 90 ° to fully open, sexual. With the same specification of gate, globe valves, small volume, light weight, easy installation of pipes.

Main shape size:

dn	15	20	25	40	50	65	80	100	125	150	200
d1	13	19	25	38	64	64	76	102	127	152	203
L	108	117	127	165	191	191	203	229	356	394	457
H	59	63	75	95	142	142	152	178	252	272	342
W	130	130	160	230	400	400	400	650	1050	1050	1410
Wt(kg)	2.5	3	5	7	15	19	19	33	58	93	160