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By certification 
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 ℃
B, general pipeline ball valve: - 28 ~ 28 ~ 250 ℃ 150 ℃, -, - 28 ~ 350 ℃
C, metal ball valve: - 50 ~ 425 ℃, - 101 ~ 425 ℃
Applicable medium: water, steam, oil and corrosive medium
Driving mode: electric, pneumatic, hydraulic, worm gear drive, etc.
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 ℃
B, general pipeline ball valve: - 28 ~ 28 ~ 250 ℃ 150 ℃, -, - 28 ~ 350 ℃
C, metal ball valve: - 50 ~ 425 ℃, - 101 ~ 425 ℃
Applicable medium: water, steam, oil and corrosive medium
Driving mode: electric, pneumatic, hydraulic, worm gear drive, etc.
