Monel 400 Flange BS 4504 Weld Neck 14” Class 150

✅ Monel 400 Weld Neck Flange – BS 4504 – 14" – Class 150

Product Name: Monel 400 Weld Neck Flange
Standard: BS 4504
Nominal Size: 14 inch (DN350)
Pressure Rating: Class 150
Flange Type: Weld Neck (WN)
Material Grade: Monel 400 (UNS N04400)
Supplier: SSM – Specialist in High-Performance Nickel Alloy Flanges

🔍 Product Overview:

SSM provides Monel 400 Weld Neck Flanges in compliance with BS 4504 standards, designed for high-integrity pipe connections in aggressive service environments. The 14" Class 150 WN flange features a tapered hub to reduce stress at the flange-to-pipe weld point, enhancing fatigue resistance and structural reliability in critical systems.

🛡️ Monel 400 Key Properties:

A nickel-copper alloy with outstanding resistance to seawater, acids, alkalis, and corrosion;

Withstands chloride-induced stress corrosion cracking and pitting;

Suitable for a wide range of temperatures and pressures;

Excellent fabricability and weldability.

⚙️ Flange Details:

Type: Weld Neck (ideal for high-pressure systems)

Facing: Raised Face (RF) or Flat Face (FF) as required

Bolt Holes & Dimensions: In accordance with BS 4504 Class 150 specs

Surface Finish: Machined sealing face, corrosion-resistant finish on request

🏭 Typical Applications:

Seawater piping and marine engineering

Petrochemical and refinery systems

Acid handling and chemical processing

Pump and valve assemblies

Subsea oil and gas platforms

📄 Certifications & Testing:

Material test reports (EN 10204 3.1 / 3.2)

Optional compliance with NACE MR0175 / ISO 15156

100% dimensional and PMI testing

Hydrostatic or ultrasonic testing on request

Custom fabrication and expedited delivery available

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