Seek an explanation for the flange description

2015-10-14View Original

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FLANGE 150# RFSF125 AAPH SO ASME B16.5 A182-F304

Reply #22015-10-14

This post was last edited by Sammy_Wang on 2015-10-14 16:29: FLANGE: Flange； 150#: Pressure rating 150# ； RF: Raised Face, convex surface/raised surface ； SF125 AAPH: Surface 125 AAPH, a precision grading for machining ； SO: Slip-On, loose-flanged fitting ； (Zhou Dafu says, neck-mounted flat welding flange) ASME B16.5: Flange design standard ASME B16.5 ； A182-F304: Flange material standard ASTM A182-F304, stainless steel.

Reply #32015-10-14

Thank you! What a master! Thank you so much

Reply #42015-10-14

Everything else is correct; just one small correction: SO refers to a flat-welded flange with a neck~

Reply #52015-10-14

SO: Slip-On, with a necked butt weld flange; the loose-flange type is LAPPED. .

Reply #62015-10-15

:lol:lol:lol Chow Tai Fook is absolutely right

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Seek an explanation for the flange description

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