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.
WhatsApp: +86-18658777855
Email: 1007788887@qq.com
You may also like
ASME B16.5 Flanges Guide: ANSI B16.5 Dimensions, Classes and Buying Checks
Learn what ASME B16.5 and ANSI B16.5 mean for pipe flanges, including size range, flange classes, face types, materials, markings and purchasing checks.
Read 11 · Comments 0
•
2026-08-29
Plate Flanges Guide: Steel Plate Flange Types, Materials and Buying Tips
A practical guide to plate flanges, steel plate flange materials, flange plate dimensions, machining, drilling, inspection and purchasing for industrial piping projects.
Read 152 · Comments 0
•
2026-08-25
Is 316 Stainless Steel Food Grade? 304 Use Stainless Steel Food Applications Guide
Learn when 304 stainless steel is used in food applications and whether 316 stainless steel is food grade for sanitary flanges, fittings and processing equipment.
Read 270 · Comments 0
•
2026-08-23