XI Dimension a,D,k as HL180 HL181 DN N.W kg f?r GGG G1" G11/4" G11/2" G2" 50 2.80 2.70 2.60 2.50 65 3.70 3.60 3.50 3.40 80 3.90 3.80 3.70 3.60 100 4.50 4.40 4.30 4.20 125 5.90 5.80 5.70 5.60 150 7.50 7.40 7.30 7.20 200 11.30 11.20 11.10 11.00 250 17.00 16.80 16.60 16.40 300 25.30 25.10 24.90 24.70 Larger dimensions on request