JSA - JIS B 2301
Screwed Type Malleable Cast Iron Pipe Fittings
|Publication Date:||20 March 2004|
|ICS Code (Metal fittings):||23.040.40|
This Standard specifies screwed type malleable cast iron fittings(3) used for ordinary piping(2) for water(1), oil, steam, air, gas, etc. (hereafter referred to as "fittings").
Notes (1) Water, here, refers to feed water, reuse of waste water, water for firefighting, industrial water, air conditioning chilled and hot water, cooling water, etc.
(2) Ordinary piping, here, refers to piping mainly for piping use carbon steel pipes, and do not apply to high-pressure piping, conduit tubing or other special fittings.
(3) Fittings, here, refers to those having the black-surfaced condition, the plated, resin-coated and external resin-covered surface condition, and for fittings having the internal black-surfaced condition and plated surface condition, the feed water use is excluded.
Application of those fittings with inner surface coated to water supplying are possible only before October 31, 2004.
Remarks : The International Standard corresponding to this Standard is as follows.
In addition, symbols which denote the degree of correspondence in the contents between the relevant International Standard and JIS are IDT (identical), MOD (modified), and NEQ (not equivalent) according to ISO/IEC Guide 21.
IS0 49 : 1994 Malleable cast iron fittings threaded to IS0 7-1 (MOD)