Threaded Flange Small Bore Pipe Repair Machining Service Near Me

2026-04-27
جراما
2785

Threaded Flange for Small Bore Pipe and Repair Services

Threaded flanges provide weld-free connections for small bore piping systems. Combined with professional repair and machining services, they offer cost-effective solutions for industrial maintenance and new installations.

نظرة عامة على الشفة الملولبة

Threaded flanges connect to pipes using internal threads, eliminating the need for welding:

الميزات الرئيسية

  • Internal threads: NPT, BSP, or PT
  • لا حاجة للحام
  • Quick installation and disassembly
  • Ideal for hazardous areas

نطاق الحجم

  • Available: NPS 1/2 inch to NPS 4 inch
  • DN15 to DN100 metric sizes
  • Pressure classes: 150 to 2500

معايير الموضوع

قياسي Region الوصف
NPT North America National Pipe Tapered
BSP Europe/Asia British Standard Pipe
PT Japan Japanese Taper Pipe

Applications for Small Bore Pipe

Common Uses

  • توصيلات الأدوات
  • Sample points and drains
  • Vent lines
  • Compressed air systems
  • Water distribution
  • التركيبات المؤقتة

المزايا

  • No hot work permit required
  • Safe for hazardous locations
  • Easy maintenance access
  • Lower installation cost
  • Reusable components

القيود

  • Limited to NPS 4 and below
  • Lower pressure than weld neck
  • Thread corrosion risk
  • Not for thermal cycling

Flange Repair and Machining Service

Professional repair services extend flange life and reduce replacement costs:

Repair Capabilities

  • Face resurfacing: Repair damaged sealing surfaces
  • Bore machining: Restore proper pipe fit
  • Bolt hole repair: Fix stripped holes
  • Weld overlay: Build up worn surfaces
  • Re-drilling: Modify bolt patterns
  • Thread repair: Restore damaged threads

Machining Services

  • CNC machining for precision
  • Large diameter boring
  • Custom gasket grooves
  • Special facing (RF, FF, RTJ)
  • Counterboring and chamfering

When to Repair vs Replace

Damage Type Solution
Minor face scratches Resurface
Deep gouges Weld overlay then machine
Cracked flange Replace
Severe corrosion Replace
Stripped bolt holes Repair or replace

شفة مع شهادة CE للتصدير

European market requires CE marking and PED compliance:

Certification Package

  • وضع علامة CE حسب PED 2014/68/EU
  • Notified Body certification (TUV, BV)
  • Material certificates EN 10204 3.1
  • Hydrostatic test reports
  • Technical documentation file
  • Declaration of Conformity

Export Standards

  • ASME B16.5: Americas
  • EN 1092-1: Europe
  • GB/T 9115: China
  • JIS B2220: Japan
  • GOST: Russia/CIS

خدمة تصنيع الشفة ذات القطر الكبير

Custom manufacturing for oversized flanges:

Capabilities

  • Diameter range: DN15 to DN4000
  • الحد الأقصى للوزن: 5 أطنان للقطعة الواحدة
  • Plate rolling and welding
  • Segmented fabrication for very large sizes
  • Custom pressure ratings

التطبيقات

  • Water treatment plant headers
  • HVAC main ducts
  • Industrial exhaust systems
  • Marine piping systems
  • Power plant cooling water

مراقبة الجودة

Inspection Procedures

  • فحص الأبعاد باستخدام CMM
  • Visual examination per standards
  • Magnetic particle testing
  • Liquid penetrant testing
  • Hardness testing
  • قياس سُمك الطلاء

Documentation

  • تقارير اختبار المواد حسب الحرارة
  • تقارير فحص الأبعاد
  • Non-destructive testing reports
  • Pressure test certificates
  • Third-party inspection reports

Lead Time and Service

  • Standard threaded flanges: 3-7 days
  • Repair services: 5-10 days
  • Custom machining: 10-20 days
  • Large diameter: 20-30 days

Songhai Flange supplies threaded flanges for small bore pipe applications and provides comprehensive repair and machining services. CE certified products available for export with fast turnaround times.

واتساب: +86-18658777855
البريد الإلكتروني: 1007788887@qq.com
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