1) American standard
a) Standards: ASTM ANSI B16.5, ASA, API-605, AWWA-c207, MSS-sp44, JIS.
b) Slip-on, welding neck, blind, threaded, lap-joint, socket welding.
c) Class of pressure: class 150, 300, 600, 900, 1500.
d) Size: 1/2" - 24".
e) Material: JIS-SS41, SUS304, SUS316 etc.
2) British standard
a) Standards: BS4504 PN16, PN25, PN40, BS10 Table E, BS10 Table D.
b) Flange varieties: plate, welding neck.
c) Size: 1/2" - 24".
d) Material: BS4360-40B, BS304, BS3 etc.
