I.S. 809:1989
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
01-01-1989
English
01-01-1989
Describes regulator arrangements for new installations with inlet pressures up to 7 bar to control the distribution of natural and manufactured gases.
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