Руководство по определению размеров и ремонту фланцев
Proper flange sizing and timely repair ensures safe pipeline operation.
Таблица размеров фланцев
- NPS 1/2 to NPS 24: Standard range
- DN15 to DN600: Metric sizes
- Класс от 150 до 2500: номинальное давление
- Custom sizes available
Методы ремонта фланцев
- Face resurfacing for minor damage
- Bore machining for worn surfaces
- Bolt hole repair and re-drilling
- Weld overlay for severe wear
How to Replace Flange
- Isolate and drain pipeline
- Remove old bolts and gasket
- Clean mating surfaces
- Install new flange and gasket
- Torque bolts to specification
- Pressure test before service
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