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Flanges

Cooling capacity: 25-500 T/h (single room) Application fields: casting, forging, air compressor, central air conditioner, ground source heat pump, printing machine, die casting machine and injection molding machine. Cooling medium: pure water, quenching liquid and hydraulic oil.
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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!​

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20 Xingyuan South Street, Zaoqiang County, Hengshui City, Hebei Province, China

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