Flange Sizing and Repair Guide
Proper flange sizing and timely maintenance ensures safe and reliable pipeline operation.
Flange Sizing Chart
- NPS 1/2 to NPS 24: Standard industrial range
- DN15 to DN600: Metric equivalents
- Class 150 to 2500: Pressure ratings
- Custom sizes: Available on request
Flange Repair Methods
- Face resurfacing: Minor damage repair
- Bore machining: Restore proper fit
- Bolt hole repair: Re-drilling and tapping
- Weld overlay: Build up worn surfaces
How to Replace Flange for Toilet
- Shut off water supply
- Remove toilet and old flange
- Clean and prepare floor
- Install new flange
- Reinstall toilet and test
Preventive Maintenance
Regular inspection and timely repair extends flange service life and prevents costly failures.
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