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Smith Berger Marine, Inc.


Mooring and Towing Solutions / Salmon Processing Equipment Since 1903

Products

MARCO Purse Seine Powerblocks

How to choose a powerblock for your vessel.
Marco Powerblock Side by Side Comparison
Dimension B19 B26 B28 B29 B32 B33
NET GIRTH 30" 35" 37" 38" - 43.7" 35"
MAX RECOMMENDED
HYDRAULIC FLOW
15 GPM 45 GPM at 2000 PSI 45 GPM at 2000 PSI 45 GPM at 2000 PSI 45 GPM at 2000 PSI 70 GPM at 2000 PSI
HYDRAULIC PRESSURE (PSI) 1500 2000 2000 2000 2000 2000
PULL IN LBS AT 1/2 RADIUS 950 4,000 - 7,600 4,650 - 6,975 4,650 - 8,815 3,340 - 9,500 4,880 - 7,480
SHEAVE SPEED (FPM) 173 - 264 173 - 271 173 - 261 168 - 376 325 - 500
SHEAVE SPEED (RPM) 62 42-63 35-54 35-53 29-65 54-83
WEIGHT PLAIN (LBS) 148 LBS 340 430 425 610 N/A
WEIGHT W/GRIP (LBS) 220 LBS 500 620 615 795 N/A
WEIGHT W/GRIP AND SWIVEL (LBS) N/A 615 710 700 905 940
HEIGHT PLAIN 41" 53" 40" 44" 48" N/A
HEIGHT W/GRIP N/A 54" 50" 44" 56" N/A
HEIGHT W/GRIP AND SWIVEL N/A 60.5" 69" 64" 73" 73.5"