The John Henry Foster Company of St. Louis -- Pneumatic and Hydraulic Services, Products and Value-Added; Compressed Air ESOP - Employee Owned
ESOP - Employee Owned
 
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Value Added

Value Added
Custom Assemblies

We at John Henry Foster Co. are proud to be able to provide customized products for our customers. Our capabilities include both design and final assembly. We can produce one unit or one hundred and in most instances, there is no minimum order. Our sales and engineering staff work hand in hand with customers to create the optimum combination of form, fit, and function.

Some of the advantages of custom assemblies

Plug-And-Play Technology - Out of the box and on to the machine in no time at all, with a minimum of required connections.
Technical Expertise -We know our products well, and can fit the best product to your application. We can help eliminate guessing on sizes and material compatibility.
Less Hassle - One part number is all that is needed. No more keeping track of a dozen different items to purchase and assemble.
OEM Applications -We can cut your production time and your labor costs by pre-assembling components, making them immediately ready for the production line.
Maintenance/Repair Applications - We can help reduce down-time for maintenance. For example, if a valve and several fittings are usually replaced simultaneously, we can pre-install the fittings for faster repairs.


Examples of our abilities

Filter/Regulator/Valve Stack Combination

This pneumatic assembly consists of an OSHA approved lock out valve, a filter-regulator, pressure switch, and a three-valve stack. The valves are two-position single solenoid, 24 VDC valves. The left most valve has its own dedicated pressure regulator. Not pictured are power cords with indicator lights for each valve.


Valve Stack with Isolation Plates

This pneumatic valve stack consists of four 4-way valves. The assembly has two isolation plates, and an intermediate supply/exhaust station. The isolators allow three different pressure sources to be used in the same manifold. Valves 1 and 2 operate on one pressure source. Valves 3 and 4 each have their own dedicated pressure source. This type of configuration simplifies plumbing and electrical connections creating one valve station, rather than three. Push-to connect fittings are installed for quick air line hook-up.


Hydraulic Cartridge Valve Manifold

The assembly on the left is an aluminum hydraulic manifold for cylinder control. It has 16 solenoid valves, and 16 counterbalance (load holding) valves. Fittings are installed on the opposite side, and wiring of the solenoids is completed here at John Henry Foster prior to shipping. Once at the customer's facility, hydraulic lines are installed, and two plug-in electrical connections are made, and the unit is ready for service.


Hydraulic Motor Speed Control Manifold

This custom hydraulic package consists of a directional valve, flow control, and check valve for each of the four stations, as well as a four station manifold. Designed to operate a hydraulic motor circuit, each station has its own adjustable needle valve for low speed operation, as well as dual check valves to prevent oil back flow. The directional valves select slow speed by directing oil through the needle valve. High speed is accomplished when the directional valve bypasses the restriction of the needle valve. Four hydraulic motors are controlled from this single, compact assembly.


And these are just a few examples of what we can do at John Henry Foster Co. Whether simple or complex, we would be happy to discuss any fluid power application you may have. Please feel free to contact us by phone, fax, or email, and someone will be in touch to review your request.