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：欧洲标准
- GB/T 9115: Chinese national standard
- Compatible with ASME B16.5 Class 150
Common Materials
- Carbon Steel: P235GH, P245GH, Q235, 20 number steel
- Stainless Steel: 304, 304L, 316, 316L
- Duplex Steel: 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:
定制选项
- Oversized diameters: DN700 to DN4000
- Special pressure ratings: PN6 to PN100
- 非标准螺栓模式
- Unique materials and alloys
- Special heat treatment requirements
制造工艺
- Client drawing review
- Material selection and procurement
- Cutting and forming
- 焊接和装配
- 热处理
- Machining to final dimensions
- Quality inspection
- Surface treatment
水处理厂法兰接头
Water treatment facilities have specific requirements for flanges:
材料选择
- 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
凸面法兰供应商
Raised face (RF) configuration most common for PN16 flanges:
射频尺寸
- Raise height: 2mm for PN16
- Serrated finish: 3.2-6.3 microns Ra
- Compatible with non-asbestos gaskets
库存情况
- DN15 to DN600: Generally in stock
- DN700 and above: Made to order
- Stainless steel: Common sizes available
质量保证
Testing Procedures
- 化学成分分析
- 机械性能测试
- 尺寸检查
- 目测
- 涂层厚度测量
- Hydrostatic testing (optional)
认证
- 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
电子邮件： 1007788887@qq.com
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