Overview
The basic design
Style: direct to open casting ball valve DN15 ~ 400 mm, 1/2 "to 16"
Through three type casting ball valve DNSO ~ 700 mm, 2 "~ 28"
The length of the structure
A, flange: ANSI B16.5, MSS - SP 44, JB/T 79-94,
GB 9112～9131-88,HGJ 44～76-91
B, welding: ANSI B16.25, GB 12224-89
The use of temperature
A, long distance pipeline ball valve: - 28 ~ 150 centigrade degree
B, general pipeline ball valve: - 28 ~ 28 ~ 250 centigrade degree 150 degree centigrade , -, - 28 ~ 350 centigrade degree.
C, metal ball valve: - 50 ~ 425 centigrade degree, - 101 ~ 425 centigrade degree
Applicable medium: water, steam, oil and corrosive medium.
Driving mode: electric, pneumatic, hydraulic, worm gear drive, etc.
Parts material list:
Part name | The material | ||
Body and bonnet | WCB | ZG1Cr18Ni92Ti | ZG1Cr18Ni12Mo2Ti |
Ball valve | 1Cr13HCr | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
The valve stem | 2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
packing | PTFE/flexible graphite | ||
The packing gland | WCB | ZG1Cr18Ni92Ti | ZG1Cr18Ni12Mo2Ti |
The seat | PTFE + flexible graphite/carbon fiber/metal/metal | ||
gasket | PTFE/flexible graphite | ||
Stem bearing | Metal + PTFE/sintering carbon fiber | ||
wrench | Carbon steel/galvanized iron pipe | ||
Locating piece | Q-235 | Stainless steel | |
Bolt and nut | 35 | Stainless steel | |
stud | 35CrWoA | Stainless steel | |
