Flanges

Description

As the fundamental connecting components in pressurized piping systems, our industrial flanges represent the engineered solution for reliable, leak-proof joint integrity. Manufactured to exacting international standards, these critical components serve as the backbone of process piping, ensuring safe and efficient transfer of fluids, gases, and steam across industrial operations worldwide.

Technical Specifications & Classification:

Material Standards:

• Carbon Steel: ASTM A105 (Forged), A350 LF2 (Low Temp), A694 (High Yield)

• Stainless Steel: ASTM A182 F304/304L, F316/316L, F321, Duplex/Super Duplex

• Alloy Steel: ASTM A182 F11, F22, F91 (Chrome-Moly), A182 F51/F53/F55

• Special Alloys: Monel, Inconel, Hastelloy, Titanium (upon request)

Flange Types & Applications:

• Weld Neck (WN): High-pressure/temperature systems, frequent cycling

• Slip-On (SO): Low-pressure systems, easy alignment, cost-effective

• Socket Weld (SW): Small bore piping, high-pressure service

• Lap Joint (LJ): Systems requiring frequent disassembly

• Threaded (THD): Low-pressure systems where welding is prohibited

• Blind (BL): Pipe end closures, pressure testing, future connections

• Specialty: Orifice, Reducing, Expander, Long Weld Neck

Pressure Classes:

• ASME B16.5: 150#, 300#, 600#, 900#, 1500#, 2500#

• ASME B16.47 Series A/B: API 605/606 for large diameter

• PN Ratings: PN6, PN10, PN16, PN25, PN40, PN63, PN100, PN160

• API 6A/B: 2000psi, 3000psi, 5000psi, 10000psi, 15000psi, 20000psi

Manufacturing Standards:

• Dimensional: ASME B16.5, ASME B16.47, MSS SP-44, API 6A

• Material: ASTM, ASME, EN, DIN, JIS, GOST

• Facing: RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint), Male/Female, Tongue & Groove

• Surface Finish: 125-250 AARH for RF, Serrated or smooth finishes

Technical Advantages:

• Precision Machining: CNC-controlled drilling for exact bolt hole alignment

• Consistent Quality: Automated production ensures uniform dimensions

• Full Traceability: Heat numbers tracked from raw material to finished product

• Enhanced Safety: Designed with proper hub transitions to reduce stress concentration

• Global Compatibility: Manufactured to multiple international standards

Quality Assurance Protocol:

• Material Verification: PMI testing, chemical analysis certification

• Dimensional Inspection: 100% verification to drawing requirements

• Non-Destructive Testing: UT, MT, PT, RT as required by specification

• Surface Inspection: Visual examination per MSS SP-55

• Documentation: Full MTRs, test reports, certification packages