We Are Open 24 Hours a Day, 7 Days a Week, Including Weekends and Public Holidays.
Flanges
1. Product Overview
Flanges are critical components in piping systems, providing removable, sealed connections for pipes, valves, and equipment while enabling easy maintenance and inspection.
Key Advantages
✔ High-Strength Connections - Withstands high pressure and extreme temperatures
✔ Removable Design - Facilitates system maintenance and component replacement
✔ Superior Sealing - Multiple face designs ensure leak-free performance
✔ Broad Compatibility - Adaptable to various piping and valve standards
2. Flange Types & Construction
By Connection Method
|
Type |
Features |
Pressure Rating |
Typical Applications |
|
Slip-On Flange |
Easy welding, cost-effective |
PN6-PN16 |
Low-pressure water systems |
|
Weld Neck Flange |
High strength, pressure-resistant |
PN16-PN420 |
High-pressure oil/chemical pipelines |
|
Socket Weld Flange |
Compact for tight spaces |
PN25-PN100 |
Instrumentation lines |
|
Threaded Flange |
No welding required |
PN10-PN40 |
Air/gas systems |
|
Lap Joint Flange |
Rotatable for alignment |
PN6-PN16 |
Large-diameter low-pressure pipes |
By Face Design
Flat Face (FF) - For low-pressure gasket sealing
Raised Face (RF) - Most common, medium-high pressure
Ring-Type Joint (RTJ) - High-pressure/temperature systems
Tongue & Groove (TG) - Hazardous media containment
Male & Female (MF) - Precise alignment requirements
3. Technical Parameters
|
Parameter |
Specification Range |
|
Size Range |
DN15-DN4000 (½"-160") |
|
Pressure Rating |
PN6-PN420 (ANSI 150-2500) |
|
Materials |
Carbon Steel, Stainless Steel, Alloy Steel |
|
Temperature Range |
-196°C to +800°C |
|
Surface Treatment |
Anti-corrosion coating, galvanizing, pickling |
4. Material Selection Guide
|
Material Standard |
Suitable Environment |
Temperature Range |
|
WCB |
Water, oil, steam |
-29°C to +425°C |
|
CF8 (304) |
Corrosive media |
-254°C to +425°C |
|
CF8M (316) |
Severe corrosion/chlorides |
-254°C to +425°C |
|
WC6 |
High-temperature steam |
Up to +593°C |
|
LCC |
Cryogenic service |
Down to -196°C |
5. Standards Compliance
ASME B16.5: Pipe flanges and flanged fittings
EN 1092-1: European flange standards
JIS B2220: Japanese industrial standards
ISO 7005: International flange standard
MSS SP-44: Steel pipeline flanges
6. Quality Assurance
100% Dimensional Inspection
Material Traceability (EN 10204 3.1/3.2)
Non-Destructive Testing (PT/MT/RT)
Hydrostatic Testing per API 598
7. Why Choose Our Flanges?
✅ Full Range Inventory - Stock from DN15 to DN2000
✅ Custom Machining - Special facing, coatings, or dimensions
✅ Complete Documentation - Mill test certificates, material reports
✅ Global Certifications - PED, GOST, ASME, CE
Request flange load calculations or CAD models!
Apa Kata Pelanggan Kami Tentang Kami
Alamat
20 Xingyuan South Street, Kabupaten Zaoqiang, Kota Hengshui, Provinsi Hebei, Tiongkok
