Application
Products commonly used in petrochemical, fertilizer, power plants, oil fields and building industry
Technical norms
1, The applicable medium: water, steam, oil (carbon steel valves);
Nitric acid group (stainless steel valves).
2, The application temperature: ≤425 ℃ (carbon steel valves); ≤200℃ (stainless steel valves).
3, The length of the structure: GB12221-89
4, Connecting criteria: JB79, GB9113
5, Driven manner: manual, pneumatic, electric and test pressure valves
Main technical performance
| Part name | Material | | C | P | | valves' body and cover | Carbon steel casting | chromium nickel titanium steel | | Valves' pole | Chromium stainless steel | chromium nickel titanium steel | | Valves' seat | Chromium stainless steel | chromium nickel titanium steel | | Valves' petal | Chromium stainless steel | chromium nickel titanium steel |
| Nominal diameter DN(mm) | Nominal pressure
PN MPa/ Torr | Strength test pressure
1.5PN ?MPa/ Torr | Sealed test pressure | | Water 1.1PN MPa/ Torr | Stream MPa/Torr | | 15~200 | 1.6 /1.2*104 | 2.4 / 1.8*104 | 1.76 / 1.32*104 | 0.6/0.45*104 | | 2.5 / 1.9*104 | 3.75 / 2.8*104 | 2.75 / 2.06*104 | | 4.0 / 3*104 | 6.00 / 4.5*104 | 4.40 / 3.3*104 | | 6.4 / 4.8*104 | 9.6 / 7.2*104 | 7.04 / 5.28*104 | | 10.0 / 7.5*104 | 15.00 / 11.25*104 | 11.00 / 8.25*104 |
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