Hướng dẫn xác định kích thước và sửa chữa mặt bích
Proper flange sizing and timely repair ensures safe pipeline operation.
Bảng kích thước mặt bích
- NPS 1/2 to NPS 24: Standard range
- DN15 to DN600: Metric sizes
- Loại 150 đến 2500: Áp suất định mức
- Custom sizes available
Các phương pháp sửa chữa mặt bích
- 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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