Flange Types Available

Material Grades

• 304/304L: General purpose, excellent all-around performance

• 316/316L: Superior corrosion resistance, molybdenum-enhanced

• 317L: Enhanced corrosion resistance for aggressive environments

• 321: Titanium-stabilized for high-temperature service

• 310S: High temperature resistance up to 1150°C

• 904L: Superior resistance to sulfuric acid and chloride solutions

• Duplex 2205: High strength and excellent corrosion resistance

Pressure-Temperature Ratings

Technical Specifications

Dimensional Standards

• ASME/ANSI B16.5: 1/2" to 24"

• EN 1092-1: DN15 to DN600

• JIS B2220: 10K, 16K, 20K, 30K

• AS 2129: Table D, E, F, H

• MSS SP-44: Pipeline flanges

• AWWA C207: Waterworks applications

Face Types

• Raised Face (RF): Standard for most applications

• Flat Face (FF): Low-pressure applications

• Ring-Type Joint (RTJ): High-pressure, high-temperature service

• Tongue & Groove: Critical sealing applications

• Male & Female: Precision alignment applications

Manufacturing Standards & Quality

Production Methods

• Forged: Superior grain structure, high strength

• Cast: Complex shapes, cost-effective for large sizes

• Machined: Precision finishing, tight tolerances

Quality Assurance Tests

• Chemical Analysis: Spectrometer verification

• Mechanical Testing: Tensile, yield strength, elongation

• Hardness Testing: Brinell, Rockwell methods

• PMI Testing: Positive material identification

• Dimension Verification: Full compliance with standards

• Surface Inspection: Visual and liquid penetrant testing

Certifications

• ISO 9001:2015: Quality management system

• PED 2014/68/EU: Pressure equipment directive

• ASME U Stamp: Pressure vessel certification

• NORSOK M-630: Offshore material requirements

• DNV-GL: Marine and offshore certification

Surface Treatments & Finishes

Standard Finishes

• Mill Finish: As-forged or as-cast surface

• Machine Finish: Smooth machined surface

• Electropolished: Superior corrosion resistance, easy cleanability

• Passivated: Enhanced corrosion resistance

• Pickled & Oiled: Standard corrosion protection

Special Coatings

• PTFE Coating: Non-stick, chemical resistance

• Xylan Coating: Low friction, corrosion protection

• Zinc-Nickel Plating: Additional corrosion protection

• PVD Coating: Decorative and protective finishes

Technical Data

Mechanical Properties

Temperature-Pressure Derating

• Up to 38°C: Full pressure rating

• 38-100°C: 95% of rated pressure

• 100-200°C: 90% of rated pressure

• 200-300°C: 85% of rated pressure

• 300-400°C: 75% of rated pressure