American Standard Flange ANSI B16.5

The commonly used standard for American standard flanges is ANSI B16.5

ANSI B16.5 Class 150 Threaded Flanges

ANSI B16.5 Class 150 Threaded Flanges

a. Nominal pressure: 150psi (2.0Mpa), 300psi (5.0Mpa), 400psi (6.8Mpa), 600psi (10.0Mpa), 900psi (15.0Mpa), 1500psi (25.0Mpa), 2500psi (42.0Mpa),
b. Calculated diameter: 6~4000mm
c. Flange structure type: bar welding, socket welding, threaded connection, loose sleeve, butt welding and flange cover d, flange sealing surface: concave surface, concave and convex surface, tongue and groove surface, metal ring connection surface

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