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Tightening torques screw-in plug DIN en ISO 9974 and ISO 1179 form B

Tightening torques screw-in plug DIN en ISO 9974 and ISO 1179 form B

Product catalog summary

Tightening Torques for Screw-in Threads

This document provides the specified tightening torques for screw-in plugs made of steel, applicable to both imperial and metric threads as per DIN EN ISO 9974 and ISO 1179 Form B standards.

Imperial Thread Specifications

The table lists the fastening torques for screw-in plugs with imperial threads, detailing the torque values for steel and various aluminum grades (F22, F28, F45).
Torque values vary based on the pipe outer diameter and thread size, ranging from 18 Nm for smaller diameters to 700 Nm for larger diameters.

Metric Thread Specifications

Similar to the imperial specifications, the table provides torque values for metric threads, with values ranging from 18 Nm to 700 Nm depending on the pipe diameter and thread size.

General Notes

The torque values are applicable only for steel couplings that are galvanized and the specified counter-materials.
Screw-in plugs must be greased before installation.
A permissible tolerance of ±10% is allowed for assembly torques.
Using reduced or higher tightening torques can affect the maximum operating pressure.
Reduced torques necessitate securing the coupling against external loosening torques.

Catalog excerpts

Tightening torques screw-in plug DIN en ISO 9974 and ISO 1179 form B-1

TIGHTENING TORQUES OF SCREW-IN THREAD TIGHTENING TORQUES SCREW-IN PLUG DIN EN ISO 9974 AND ISO 1179 FORM B IMPERIAL THREAD The following fastening torques apply for the specified screw-in plugs made of steel and the associated screw-in threads made of the material given in the table. Series Notes: - The values only apply for steel couplings (galvanized) and the counter-materials mentioned above. - Screw-in plugs are to be greased before they are screwed in. - Permissible tolerance of assembly torques ± 10% - Reduced or higher tightening torques will reduce the maximum possible operating pressure! - educed tightening torques require the coup

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Tightening torques screw-in plug DIN en ISO 9974 and ISO 1179 form B-2

TIGHTENING TORQUES OF SCREW-IN THREAD TIGHTENING TORQUES SCREW-IN PLUG DIN EN ISO 9974 AND ISO 1179 FORM B METRIC THREAD The following fastening torques apply for the specified screw-in plugs made of steel and the associated screw-in threads made of the material given in the table. Series Notes: - The values only apply for steel couplings (galvanized) and the counter-materials mentioned above. - Screw-in plugs are to be greased before they are screwed in. - Permissible tolerance of assembly torques ± 10% - Reduced or higher tightening torques will reduce the maximum possible operating pressure!...

Open the catalog to page 2

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