法兰尺寸表和维修指南 工业管道维护

2026-04-29
嬷嬷
2567

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
  • 堆焊:堆焊磨损表面

How to Replace Flange for Toilet

  1. Shut off water supply
  2. Remove toilet and old flange
  3. Clean and prepare floor
  4. Install new flange
  5. Reinstall toilet and test

Preventive Maintenance

Regular inspection and timely repair extends flange service life and prevents costly failures.
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