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ISO 4145:1986

Non-alloy steel fittings threaded to ISO 7-1

Jul 17, 1986

General information

90.60     Mar 5, 2026

ISO

ISO/TC 5/SC 5

International Standard

23.040.40  

French   English  

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Published

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Scope

Specifies requirements for fittings for threaded connections, used mainly for industrial purposes. Table 1 contains diagrams of types of fittings and their symbols. Tabulates the fitting dimensions (tables 2, 5, 9 to 12) with nominal sizes from DN 6 up to and including DN 100 (thread designation 1/8 to 4). Table 6 contains sockets (DN 6 to DN 150), reducing fittings are included in the tables 3, 7 and 8 (DN 8 DN 100 and DN 6 to DN 80 resp.), table 4 comprises elbows (DN 8 to DN 50).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 4145:1979

NOW

PUBLISHED
ISO 4145:1986
90.60 Close of review
Mar 5, 2026