PN16 Welded Flange Price and Water Treatment Applications
PN16 welded flanges are widely used in water treatment plants and industrial pipelines. Understanding pricing, customization options, and technical specifications ensures optimal procurement decisions.
PN16 Flange Overview
PN16 indicates a pressure rating of 16 bar (232 psi) at 120 degrees Celsius, commonly used in European and Asian markets.
Standards Compliance
- EN 1092-1 : norme européenne
- GB/T 9115: Chinese national standard
- Compatible with ASME B16.5 Class 150
Matériaux communs
- Carbon Steel: P235GH, P245GH, Q235, 20 number steel
- Stainless Steel: 304, 304L, 316, 316L
- Acier duplex : 2205, 2507
PN16 Welded Flange Price Guide
Carbon Steel Prices (2024 Reference)
| Size DN | Price USD | Weight kg |
|---|---|---|
| DN50 | 2.50-4.00 | 1.2 |
| DN80 | 4.50-6.50 | 2.1 |
| DN100 | 6.00-9.00 | 3.2 |
| DN150 | 12.00-16.00 | 5.8 |
| DN200 | 20.00-28.00 | 9.5 |
| DN300 | 45.00-60.00 | 18.5 |
Price Factors
- Raw material costs (steel prices fluctuate)
- Manufacturing process (forged vs cut plate)
- Surface treatment (black, galvanized, epoxy)
- Order quantity (bulk discounts available)
- Customization requirements
Custom Size Flange for Industrial Pipeline
Non-standard flanges manufactured per client specifications:
Options de personnalisation
- Oversized diameters: DN700 to DN4000
- Special pressure ratings: PN6 to PN100
- Modèles de boulons non standard
- Unique materials and alloys
- Special heat treatment requirements
Processus de fabrication
- Client drawing review
- Material selection and procurement
- Cutting and forming
- Soudage et assemblage
- Traitement thermique
- Usinage aux dimensions finales
- Quality inspection
- Surface treatment
Raccord à bride pour station d'épuration
Water treatment facilities have specific requirements for flanges:
Sélection des matériaux
- Raw water intake: Carbon steel with coating
- Treated water: Epoxy coated or stainless
- Chemical dosing: Stainless steel 316L
- Sludge lines: Abrasion resistant materials
Common Sizes in Water Plants
- Inlet/Outlet mains: DN200 to DN600
- Process piping: DN80 to DN300
- Chemical lines: DN25 to DN100
- Drain lines: DN50 to DN150
Coating Requirements
- Epoxy coating: 250-300 microns
- Hot dip galvanized: 80-100 microns
- Food grade epoxy for potable water
Stockiste de brides à face surélevée
Raised face (RF) configuration most common for PN16 flanges:
Dimensions RF
- Raise height: 2mm for PN16
- Serrated finish: 3.2-6.3 microns Ra
- Compatible with non-asbestos gaskets
Disponibilité du stock
- DN15 to DN600: Generally in stock
- DN700 and above: Made to order
- Stainless steel: Common sizes available
Assurance qualité
Testing Procedures
- Analyse de la composition chimique
- Essais de propriétés mécaniques
- Contrôle dimensionnel
- Examen visuel
- Coating thickness measurement
- Hydrostatic testing (optional)
Certifications
- ISO 9001:2015
- PED 2014/68/EU
- CE Marking
- WRAS for potable water (UK)
- KTW for drinking water (Germany)
Delivery Terms
- EXW: Ex works factory
- FOB: Free on board Chinese ports
- CIF: Cost, insurance, freight to destination
- DDP: Delivered duty paid (available for some countries)
Songhai Flange supplies PN16 welded flanges at competitive prices for water treatment plants and industrial pipelines. Custom sizes available with fast delivery and complete certification.
WhatsApp : +86-18658777855
Courriel : 1007788887@qq.com
Vous pouvez aussi aimer
ASME B16.5 Flange Guide: 2025 Latest Edition, Scope, Ratings and Dimensions
A practical ASME B16.5 guide covering the 2025 latest edition, NPS 1/2 through NPS 24 scope, flange classes, dimensions, materials, markings, testing and differences from ASME B16.42.
Weld Neck Flange Guide: Socket Weld vs Weld Neck Flange, Uses, Standards and Selection
A professional weld neck flange guide covering socket weld vs weld neck flange differences, advantages, standards, dimensions, materials, installation and quotation requirements.
Casting vs Forging: How to Choose the Right Manufacturing Process for Industrial Flanges
Casting vs forging explained for industrial flange buyers: compare grain flow, mechanical properties, defect risks, cost, standards, inspection and application suitability before specifying a flange.