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ABOUT ANSI AND ASA SPECIFICATION

ABOUT ANSI AND ASA SPECIFICATION

ABOUT ANSI AND ASA SPECIFICATION

(OP)
WHAT IS THE MEANING OF "ASA SPECIFICATIONS", I HAVE FOUND THAT IS USED IN VALVES, I WOULD LIKE TO KNOW IF IT IS SIMILAR TO ANSI SPECIFICATION
THANKS

RE: ABOUT ANSI AND ASA SPECIFICATION

Past : ASA
Present : ANSI

RE: ABOUT ANSI AND ASA SPECIFICATION

I need informaion about the standards which are followed for beveled end, plain end, threaded end nipples and with any of the combination of ends of these three ends. Can you please provide me the source or list me the standards for Carbon Steel and Stainless Steel having beveled en, plain and threaded end conditions.

RE: ABOUT ANSI AND ASA SPECIFICATION

(OP)
PLEASE, SOMEONE TELL ME IF THERE ANY RELATION BETWEEN ANSI B 16.11 FOR ANSI B16.25 VAVLE FITTINGS DIMENSION AND THE SCHEDUAL OF THE PIPE ON WHICH THE VALVE WILL BE FITTED?

THANKS IN ADVANCE

RE: ABOUT ANSI AND ASA SPECIFICATION

I'll try to deal with these in turn,

1) (Valvesmex) ANSI / ASA SPECIFICATIONS - ANSI replaced ASA about 20 years ago, some people still refer to ASA when quoting for valves or fittings. However for correctness ANSI or ASME should be quoted.
ANSI - American National Standards Institute
ASME - American Society of Mechanical Engineers
ASA -  American Standards Association

2) (Rehmani) Simple answer, refer to ASME/ANSI B16 Piping Component Standards, this is the dimensional code for piping components, also gives geometric, material make-up and strength of items.

3) (ALAB-1) As mentioned above ASME/ANSI B16 refers to Piping Component Standards,
"B16.11 = Forged Fittings, Socket Welding & Threaded"
"B16.25 = Buttweld Ends"
"B16.34 = Valves-Flanged, Threaded & Welding Ends"

In a Piping Specification when referring to a valve with a buttweld end, the schedule of the pipe is usually noted, i.e. Sch. 40 Plain End to 2" / Bevelled End 2.5" & above.



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