Slip ON Flange – UNIEN 1092-1 – PN6 / PN10 / PN16 Pressure Class (PN) PN 6 PN 10 PN 16 Nominal Diameter (DN) — Select DN — 1520253240 506580100125 150200250300350 400450500600 Show dimensions DN Series (comma separated) Add series Clear table Print PN DN D (OD) d₁ (ID) b (thickness) K (PCD) d₂ (hole Ø) n (holes) Weight (kg) Select PN/DN or enter a series, then press the buttons.