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Standards
B 16.5, B 16.47 Series A+B and BS 3293
API 6A
Types
• Weld Neck Flanges
• Blind Flanges
• Slip-on Flanges
• Lap Joint Flanges
• Threaded Flanges
• Socket Weld Flanges
• Long Welding Neck Flanges
• Orifice Flanges B 16.36
• Spectacle Blind B 16.48
• Special Flanges in acc. with drawing
Pressure classes
Class 150 to 2500
2,000 to 20,000 psi
Material grades
• A/SA 105/C21, P250GH, P280GH
• A/SA 182 Gr. F5, F9, F11, F12, F22, F91
• A/SA 350 Gr. LF2, P355QH1
• A 694 Gr. F52, F60, F65
• A/SA 182 Gr. F304/L, F321/H, F316/L
• 1.4301/07, 1.4541, 1.4401/04, 1.4571
• F53 (Superduplex), F51 (Duplex)
• Special Alloys
Dimensions
1/2" to 48"
Facings
• RF and RTJ
• For all requirements in acc. with customer
specification