Great Products Build Great Businesses

Since 1944, we have been helping our customers minimize production interruptions and maximize efficiency with the same care and expertise as if it were our own business.

Producing high-quality products and services is challenging and we know how hard it can be to find someone else who wants your business to succeed as much as you do. With industry-respected brands, $8 million of ready-to-ship components and assemblies and 24/7 support, we have the products to keep your business moving forward.

View JHF Product Line

Find Your Sales Representative


The John Henry Foster Company is a full-line fluid power distributor with territories covering parts of Missouri, Illinois and Kentucky and is the Midwest leader in fluid power sales. We have sales representatives stationed throughout our territory who can visit your site and provide hands-on attention to better meet your fluids power needs.

Festo’s Virtual Tradeshow

Posted by Admin

Automation For Tomorrow

Realize Your Vision For Intelligent Automation

Festo North America and John Henry Foster, St. Louis are excited to bring you a FREE, two-day virtual event featuring Festo’s full range of Pneumatic, Electric, and Process Automation products, smart factory technologies and innovative engineering tools. Over the two days you will be able to explore and speak with industry experts within our 15 interactive booths and hear the latest in automation with our LIVE and On-Demand seminars. Register TODAY for the Festo Experience at festoexperience.vfairs.com

More Properties

      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

      Get Started
      Calculate Gear Pump Estimated Displacement

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

      Get Started
      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

      Get Started
      Calculate Driven Sprocket Diameter

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

      Get Started
      Calculate Hydraulic Cylinder PUSH/PULL

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

      Get Started
      Calculate V-Belt Length

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

      Get Started
      Calculate Sprocket Drive Speed

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

      Get Started
      Calculate Vehicle Speed

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

      Get Started
      Calculate Reservoir Capacity – Cylindrical

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

      Get Started
      Calculate Hydraulic Motor Horsepower

      Enter the GPM and PSI (pressure) to calculate Horsepower

      Get Started
      Calculate Reservoir Capacity – Rectangle

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

      Get Started
      Calculate Hydraulic Cylinder Speed

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

      Get Started
      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

      Get Started
      Get in Touch   Contact Us