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Jastram Model H Helm Pumps - 2 Pages

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Catalogue excerpts

Photo Courtesy of Victoria Shipyard Jastram Model H Helm Pumps This high quality, precision axial piston pump features proven designs and marine grade materials. The H pumps are designed to operate in ‘non-pressurized’ hydraulic systems requiring only two lines from the helm pump to the cylinder. The Model H helm pumps include the following standard features: • An external lockvalve to isolate with helm and prevent rudder feed- back • A pressure rating for the lockvalve of 1,875 PSI • A powder coated, high strength cast aluminum housing which provides corrosion and abrasion resistance • A exible mounting pattern allowing any angle between the vertical and horizontal axis • An internal capacity to act as a small vented oil reservoir Recommended Wheel Sizes for the Model H helm pumps MODEL STEERING WHEEL SIZE min diameter max diameter H20 14” 24” H26, H36 20” 30” H58 30” 36” H60, H90, H110 36” 60” Engineered For Life At Sea

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G* = Length of key for steering wheel: H20 has 3/16" x 1" long sq. key on a 3/4" dia. Taper (1" per foot) shaft. H20 has a 5/16" NC wheel bolt. All other pumps have 1/4" sq. key on a 1" dia. Straight shaft. All other pumps have a 1/2" NC stainless steel wheel bolt. HELM PUMP OVERALL DIMENSIONS (INCHES) Helm Pump Model Helm Pump Displacement (IN³) A B C Dia. H20 H26/ 36/ 58 H60/ 90/ 110 2.0 2.0 / 2.6 / 3.6 / 5.8 6.0 / 9.0 / 11.0 5 5/8" 5 5/8" 7 1/2" 4 3/8" 4 3/8" 5 7/8" 9/32" 9/32" 13/32" Helm Pump Model H20 H26 H36 H58* H60 H90 H110 Part Number G H1 H2 8 5/8" 1 17/32" 2 13/32" 9 17/64" 2 5/32"...

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All Jastram catalogues and brochures

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