Steel Manhole Cover

TYPE D MANHOLE COVERS TYPE NOMINAL SIZE L1 L2 L3 B1 B2 B3 S FASTENER WEIGHT KG mm DIA QUT D 450X350 450 570 620 350 470 520 14 M20 16 73.1 16 81.6 18 90.2 600X400 600 720 770 400 520 570 14 20 83.6 16 88.8 18 94.8 800X600 800 920 970 600 720 770 14 26 108.4 18 120.6 20 149.8 800X400 (ELLIPSE) 800 930 980 400 530 580 14 24 89.4 16 102.5 20 127.8 APPLICABLE TO WATERTIGHT AND OILTIGHT MANHOLE COVERS FOR SHIPS,NOT SUITABLE FOR BOILERS AND PRESSURE VESSELS,AND COMPLIES WITH ISO

TYPE C MANHOLE COVERS TYPE NOMINAL SIZE L1 L2 L3 B1 B2 B3 S FASTENER WEIGHT KG mm DIA QUT C 450X350 450 570 650 350 470 550 10 M20 16 116.6 12 121.6 14 128.6 600X400 600 720 800 400 520 600 10 20 136.1 12 142.2 14 149.5 800X600 800 920 1000 600 720 800 12 26 171.5 14 182.6 18 206.8 800X400 (ELLIPSE) 800 930 1010 400 530 610 12 24 102.8 14 118.2 18 146.2 APPLICABLE TO WATERTIGHT AND OILTIGHT MANHOLE COVERS FOR SHIPS,NOT SUITABLE FOR BOILERS AND PRESSURE VESSELS,AND COMPLIES

TYPE B MANHOLE COVERS TYPE NOMINAL SIZE L1 L2 L3 B1 B2 B3 S FASTENER WEIGHT KG mm DIA QUT B 450X350 450 470 570 350 370 470 4 M20 16 28.9 6 33.8 8 37.2 10 41.2 600X400 600 620 720 400 420 520 8 20 49.5 10 55.6 12 61.2 14 67.6 800X600 800 820 920 600 620 720 12 26 67.2 14 75.2 16 82.8 18 89.9 800X400 (ELLIPSE) 800 830 930 400 430 530 12 24 56.8 14 63.2 16 69.2 18 76.2 APPLICABLE TO WATERTIGHT AND OILTIGHT MANHOLE COVERS FOR SHIPS,NOT SUITABLE FOR BOILERS AND PRESSURE VESSELS

TYPE A MANHOLE COVERS TYPE NOMINAL SIZE L1 L2 L3 B1 B2 B3 S FASTENER WEIGHT KG mm DIA QUT A 450X350 450 470 570 350 370 470 4 M20 16 23.2 6 30.8 8 36.9 10 45.8 600X400 600 620 720 400 420 520 6 20 48.8 8 59.2 10 69.3 12 79.6 800X600 800 820 920 600 620 720 8 26 52.4 10 65.8 12 78.2 14 90.2 APPLICABLE TO WATERTIGHT AND OILTIGHT MANHOLE COVERS FOR SHIPS,NOT SUITABLE FOR BOILERS AND PRESSURE VESSELS,AND COMPLIES WITH ISO 5894