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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!
Flanges Customer Evaluation
Flanges FAQ
-
What materials are your flanges made of?
Our flanges are mainly made of carbon steel, stainless steel, alloy steel and cast iron, according to customer requirements.
-
What standards do your flanges follow?
We produce flanges conforming to ANSI, DIN, JIS, BS and GB standards to meet global market requirements.
-
Can your flanges withstand high pressure?
Yes, we have different pressure grades such as PN10, PN16, PN25, Class 150, Class 300 and higher for high-pressure systems.
-
Do you provide customized flanges?
Yes, we accept custom sizes, thicknesses, drilling patterns and special coatings based on drawings or parameters.
Apr 16,2026
Professional Guide to Effective Cooling Tower Treatment Strategies
Maintaining industrial cooling systems is critical for operational efficiency and equipment longevity. A professional cooling tower treatment strategy is not just about cleaning; it is about preventing scale buildup, corrosion, and the growth of harmful microorganisms. Without proper management, these systems can suffer from reduced heat transfer efficiency, leading to higher energy costs and potential system failures. In this guide, we will explore the essential components of water treatment, the chemistry involved, and how to optimize your cooling tower for maximum performance and sustainability.
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