Flange Specifications
ANSI B16.5 (also ASME B16.5) Class 150# and 300#
*DIN PN10, PN16 and PN40
JIS 10K
Other Pressure Ratings and Flange Specifications are also available.
*DIN PN10, PN16 and PN40 Flanges all have the same dimensions, and so are fully interchangeable
Maximum Pressure Ratings for Flange Fittings
ANSI 150# = 16 Bar (230 psi), ANSI 300# = 41.4 Bar (600 psi)
DIN PN10 = 10 Bar (145 psi), DIN PN16 = 16 Bar (230 psi)
DIN PN40 = 40 Bar (580 psi)
End Fitting Materials
Flanges in Grade 304 SS
Flange Retainers in Grade 316L SS
Ferrules, most in Grade 304 SS, some sizes in Grade 316 SS
Alternative Options for Flange Component only
Zinc Plated Carbon Steel
90° Elbow Flange Fittings
90˚ Elbow Integral PTFE lined Flange Fittings are available for sizes 1”, 11/2” and 2”