Brass ball valve standard
1, brass ball valve
Standard Number: GB/T15185-1994
2, industrial brass ball valves
Standard Number: NF/E29-354-2003
3, the ball valve product quality grading
Standard Number: JC/T783-2004
4, glass fiber reinforced modified phenolic brass ball valve
Standard Number: JB/T8861-2004
Brass ball valve effect
Brass ball valve on the fluid in the pipe is mainly used for cutting, distribution and change the direction of media flow, designed V-shaped openings of the ball also has a good flow regulation.
Principles of brass ball valve
Brass ball cock evolved from its opening and closing parts as a sphere, the use of the sphere around the stem axis of rotation 90