title: Hydraulic fluid power — One-piece square-flange connections — Part 2: Four-screw square-flange connections, 40 MPa (400 bar) series, DN 10 to DN 80
title: Transmissions hydrauliques — Brides de raccordement carrées monobloc — Partie 2: Brides de raccordement carrées à quatre vis; série 40 MPa (400 bar), DN 10 à DN 80