Brazed and welded pipe unions with spherical liners; ring-type nipples for union nuts.
STANDARD published on 1.12.1969
Designation standards: DIN 7641:1969-12
Note: WITHDRAWN
Publication date standards: 1.12.1969
The number of pages: 2
Approximate weight : 6 g (0.01 lbs)
Country: German technical standard
Category: Technical standards DIN
Rohrverschraubungen mit Kugelbuchse für Hartlötung und Stumpfschweißung; Ringstutzen für Überwurfmuttern.