NF M82-239

Mining equipment. Compressed air pipes. Gas-thread cylindrical plugs.

La présente norme a pour objet de définir les dimensions des bouchons cylindriques filetés au pas du gaz, destinés aux douilles des tuyaux à douilles taraudées faisant l'objet de la norme NF M 82-238. Le bouchon de 37,89 convient également aux logements de prise d'air des raccords à rotule faisant l'objet de la norme NF M 82-240.

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