• Engineered Solutions
    Engineered Solutions
    Nov 25

    Engineered Solutions

    At John Henry Foster- St. Louis, our goal is to provide our customers with the right engineered solution for their application. From stand-alone systems...
  • Tools & Material Handling
    Tools & Material Handling
    Nov 25

    Tools & Material Handling

    At John Henry Foster-St. Louis, we specialize in tools and material handling- from light-duty maintenance, production, and assembly tools to heavy-duty, industrial MRO tools,...

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        Air Compressors

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Value Added

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Hydraulic

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Tool & Hoist Repair

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Units Converter

        Our associates are empowered to perform at the highest level of quality so that we meet and exceed expectations.

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        Get in Touch   Contact Us
        Calculate Driven Sprocket Speed

        Enter Drive Speed, Drive Sprocket Diameter and Driven Sprocket Diameter to calculate Driven Speed

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        Calculate Gear Pump Estimated Displacement

        Enter Gear Outside Diameter, Gear Width and Gear Center Distance to calculate Gallons Per Minute (GPM) @ 1200 RPM.

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        Calculate Angled Hydraulic Cylinder PUSH-PULL

        Enter the Cylinder Bore diameter, PSI, Rod Diameter and Angle to calculate PUSH/PULL for a hydraulic cylinder mounted at an angle

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        Calculate Driven Sprocket Diameter

        Enter Drive Speed, Drive Sprocket Diameter and Driven Speed to calculate Driven Sprocket Diameter

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        Calculate Hydraulic Cylinder PUSH/PULL

        Enter the Cylinder Bore diameter, PSI and Rod Diameter to calculate PUSH/PULL for a hydraulic cylinder

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        Calculate V-Belt Length

        Enter Pulley Center Distance, Large Pulley Diameter and Other Pulley Diameter to calculate V-Belt Length

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        Calculate Sprocket Drive Speed

        Enter Drive Sprocket Diameter, Driven Speed and Driven Sprocket Diameter to calculate Drive Speed

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        Calculate Vehicle Speed

        Enter the Wheel Outside Diameter (not the rim size) and Axle RPM to calculate Vehicle Speed

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        Calculate Reservoir Capacity – Cylindrical

        Enter the Reservoir Diameter and Length or Height to calculate Cylindrical Tank Capacity in cubic inches/gallons

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        Calculate Hydraulic Motor Horsepower

        Enter the GPM and PSI (pressure) to calculate Horsepower

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        Calculate Reservoir Capacity – Rectangle

        Enter the Reservoir Length, Width and Height to calculate Rectangular Tank Capacity in cubic inches/gallons

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        Calculate Hydraulic Cylinder Speed

        Enter the Pump GPM, Cylinder Bore diameter, Stroke and Rod Diameter to calculate Cylinder Speed (Do not use fractions)

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        Calculate Input/Exhaust Volumes For Rephasing Cylinders

        Calculate Input/Exhaust Volumes to match the exhaust volume from one cylinder to the input volume of the next cylinder in a series

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