Fixed ball valve use scope
Fixed ball valve applies to Class150～Class1500、PN16～PN100、JIS 10K～JIS 20K various pipelines, for the cutoff or connect piping medium, choose different material, suitable for water, steam, oil and gas, natural gas, coal gas, nitric acid, acetic acid, oxidizing medium, urea etc. Various media, and widely used in chemical, oil and gas, metallurgical industry etc. Fixed ball valve driving mode for worm gear and worm drive, manual, pneumatic or electric. Fixed ball valve generally USES the flange, also can use butt weld connection.
fixed ball valve production standard
| standard item | API ANSI series | GB national standard series |
| design standard | API 6D、API 608 | GB/T 12237 |
| pressure temp. grade | ASME B16.34 | GB/T 9131 |
| structure length | ASME B16.10 | GB/T 12221 |
| flange type and dimensions | ASME B 16.47、API 605 | GB/T9113、JB/T79 |
| butt welding end | ASME B16.25 | GB/T 12224 |
| test and inspection | API 6D | JB/T 9092 |
main performance standard of fixed ball valve
| test pressure （MPa） | nominal pressure(MPa) | pressure stage(Class) | JIS(MPa) | |||||||||
| 1.6 | 2.5 | 4.0 | 6.4 | 10.0 | 150 | 300 | 400 | 600 | 900 | 10K | 20K | |
| intensity test | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 | 3.1 | 7.8 | 10.2 | 15.3 | 23.1 | 3.1 | 7.8 |
| seal test | 1.8 | 2.8 | 4.0 | 7.0 | 11.0 | 2.1 | 5.6 | 7.5 | 11.2 | 16.8 | 2.1 | 5.6 |
| gasproof test | 0.5～0.7 | |||||||||||
| working temperature | PTFE≤150℃ PPL≤300℃carbon fiber≤350℃ | |||||||||||
| applicable medium | ）C: water, oil, steam P: nitric acid (more than 200 ° C) R acetic acid (temperature, ≤200℃), | |||||||||||
