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Stainless Steel Flanges

Custom flanges for various pressure ratings and applications. ANSI, DIN, JIS standards available with full material traceability.

ANSI/DIN/JIS
Multiple standards
150-2500 LB
Pressure classes
1/2" to 24"
Size range
RF/FF/RTJ
Face types
Weld Neck Flange316 Stainless Steel Weld Neck FlangeSlip-On FlangeBlind Flange

Flange Types We Manufacture

Complete range of flanges for all piping connection requirements

Weld Neck Flanges

Long tapered hub for high-pressure and high-temperature applications

  • • Raised face (RF)
  • • Flat face (FF)
  • • Ring type joint (RTJ)
  • • Custom bore sizes

Slip-On Flanges

Cost-effective solution for low-pressure applications

  • • Easy installation
  • • Lower cost
  • • Standard bore
  • • Various face types

Blind Flanges

Solid flanges for closing pipe ends or vessel openings

  • • Pressure testing
  • • System isolation
  • • Maintenance access
  • • All pressure classes

Threaded Flanges

No welding required, ideal for small bore piping

  • • NPT threads
  • • BSPT threads
  • • Quick installation
  • • Low-pressure service

Socket Weld Flanges

Smooth bore for small diameter, high-pressure lines

  • • Smooth internal surface
  • • Reduced turbulence
  • • Fillet weld connection
  • • High integrity

Lap Joint Flanges

Used with stub ends for easy alignment and disassembly

  • • Easy alignment
  • • Quick disassembly
  • • Cost savings
  • • Rotating capability

Technical Specifications

Standards & Materials

ANSI/ASME Standards
• B16.5 (NPS 1/2 to 24)
• B16.47 (NPS 26 to 60)
• B16.36 (Orifice flanges)
DIN/EN Standards
• DIN 2527-2637
• EN 1092-1
• PN6 to PN100
Materials
• ASTM A182 F304/304L
• ASTM A182 F316/316L
• ASTM A182 F321
• Duplex grades

Pressure & Size Range

ANSI Pressure Classes
150, 300, 600, 900, 1500, 2500 LB
DIN Pressure Ratings
PN6, PN10, PN16, PN25, PN40, PN63, PN100
Size Range
1/2" to 24" (DN15 to DN600)
Larger sizes available on request

Face Types & Finishes

Facing Types
• Raised Face (RF)
• Flat Face (FF)
• Ring Type Joint (RTJ)
• Tongue & Groove (T&G)
Surface Finish
• Stock finish (125-250 AARH)
• Smooth finish (63-125 AARH)
• Custom finishes available

Industry Applications

Petrochemical

High-pressure, high-temperature flanges for refineries and chemical plants

Power Plants

Steam and condensate system flanges for power generation

Shipbuilding

Marine-grade flanges for offshore and maritime applications

Water Treatment

Corrosion-resistant flanges for municipal water systems

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