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JSA - JIS B 2051

Malleable iron and ductile iron valves

active, Most Current
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Organization: JSA
Publication Date: 23 March 2020
Status: active
Page Count: 39
ICS Code (Iron and steel castings): 77.140.80
ICS Code (Valves in general): 23.060.01
scope:

This Standard specifies requirements for screwed end valves and flanged end valves made of malleable cast iron and ductile cast iron used for general machinery (hereafter referred to as valves).

Annex C shows for reference the operation restriction torque for operating the valve by handwheel.

NOTE 1 The malleable cast iron in the title of this Standard is the generic term for blackheart malleable cast iron, and the ductile cast iron is the generic term for the spherical graphite cast iron and the ductile cast iron products specified in Annex A of this Standard.

NOTE 2 All the pressure values shown in this Standard are gauge pressure values.

Document History

JIS B 2051
March 23, 2020
Malleable iron and ductile iron valves
This Standard specifies requirements for screwed end valves and flanged end valves made of malleable cast iron and ductile cast iron used for general machinery (hereafter referred to as valves)....
January 20, 2015
Malleable iron and ductile iron valves (Amendment 1)
A description is not available for this item.
June 20, 2013
Malleable iron and ductile iron valves
This Standard specifies screw type and flanged end type valves made of malleable cast iron and ductile cast iron used for general machinery (hereafter referred to as "valves"). Annex C shows for...
November 1, 1994
Malleable Iron 10 K Screwed Valves
A description is not available for this item.
January 1, 1986
Malleable Iron 10K Screwed Valves
A description is not available for this item.

References

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