คู่มือการวัดขนาดและซ่อมแซมหน้าแปลน
Proper flange sizing and timely repair ensures safe pipeline operation.
ตารางขนาดหน้าแปลน
- NPS 1/2 to NPS 24: Standard range
- DN15 to DN600: Metric sizes
- คลาส 150 ถึง 2500: อัตราความดัน
- มีขนาดพิเศษตามสั่ง
วิธีการซ่อมแซมหน้าแปลน
- 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
คุณอาจสนใจ
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