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Comparison shell nozzle and manhole between api 650 and bs2654
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Outside DiameterSHELL MANHOLE PCD
NOMINAL DIAMETER/mmROOF NOZZLE Outside Diameter OF PIPE
Cover plate Diameter,Dc
Minimum of height of nozzle,HR
outside diameter of reinforcing plate,DR
API 650 BS 2654 STANDARD TANKOutside Diameter 600 600
PCD 768 832
725 785
API 650 BS 2654 STANDARD TANKNOMINAL DIAMETER/mm 150 150Outside Diameter OF PIPE 168.3 168
150 150
375 324
Cover plate Diameter,Dc
Minimum of height of nozzle,HR
outside diameter of reinforcing plate,DR
