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Valves (Flow Ctrl)

are available from these manufacturers:


 

The Oilgear Company


 
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Prefill and Exhaust Valves

Internationally known as a world class hydraulics company, Oilgear specializes in the design, engineering technology and equipment needed to solve difficult hydraulic problems by supplying the right components to meet specific needs.
Three styles of prefill and exhaust valves are part of Oilgear's long line of hydraulic components. Collectively they present a range of valves from which to choose. Individually, each has a distinct application advantage.
 
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Series VPE Two-Way Prefill and Exhaust Valve

These proven and precision built prefill and exhaust valves are designed to accommodate main ram fast approach and return for high speed presses. It features high flow rates to 6,864 gpm prefill and 15,852 gpm exhaust. Pressure rating to 14,500 psi on a wide range of hydraulic fluids. Typical applications for these two-way valves include - SMC presses, open and closed die forging presses, injection molding machines, cable shearing and lead cable presses, piercing presses, plus many more. On applications such as hot metalworking, where integral decompression is desirable, special versions of the standard prefill and exhaust valves are available. These two-stage valves in size 130 thru 250, incorporate design features to decompress the hydraulic fluid in the cylinder at a controlled rate prior to automatic opening for rapid exhaust. There are eight sizes offered in three configurations.
Series VPE Specifications and Options
 
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Series VSA Three-Way Prefill and Exhaust Valve

These fast shifting three-way prefill valves are used with hydraulic press circuits to gravity fill or exhaust press cylinder during rapid advance or return cycle. They include a port to connect pump to press cylinder during pressing cycle. These valves are maintenance friendly. The control, operator and main plungers can be easily removed for inspection without disturbing the main body or shroud piping. Common three-way prefill valve installation such as extrusion presses, forging presses, press brakes, die casting machines, forming presses, hot plate presses, molding and casting machines, compression molders and high speed shears are only a few of Oilgear's modern industrial applications. Control modules are an integral part of Oilgear's "VSA" Prefill units. Functional controls are available for greater flexibility and optimum circuit design. Special controls can be designed on request. The correct control selection can greatly simplify your system. Available in 4", 6", 8" and 10" sizes.
Series VSA Specifications and Options
 
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Series VSM Four-Way Prefill and Exhaust Valve

These four-way prefill and exhaust valves come in sizes from 3" to 16" and operate at maximum pressure up to 3500 psi. Common 4-way prefill valve installations such as extrusion presses, forging presses, forming presses, "O"ing and "U"ing presses, hot plate presses, molding and casting machines, compression molders and high speed shears are only a few of Oilgear's modern industrial applications. An optional ram position indicator is available with integral micro switches to provide positive interlocking for proper sequencing of functions and/or safety interlocking.
Series VSM Specifications and Options
 
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Directional Control Valves

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Series WE Directional Control Valves

Oilgear's WE P06E series are directional control valves used to stop, start and control the direction of hydraulic fluid flow. The WE series comes in both 4-way, 3 position and 4-way, 2 position configurations. The three position configurations contain a central or neutral position.
Series WE Specifications and Options

 
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Oilgear Prefill and Exhaust Valves
Series VPE Two-Way Prefill and Exhaust Valve
Series VSA Three-Way Prefill and Exhaust Valve
Series VSM Four-Way Prefill and Exhaust Valve
Oilgear Directional Control Valves
Series WE Directional Control Valves
If you are located in Missouri, Kansas, Nebraska, or Illinois, you may contact us at the
following telephone and fax numbers with your requests or questions:
St. Louis telephone 314.428.4000 fax 314.428.4097
Kansas City telephone 913.829.5900 fax 913.829.0815
 
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