Dynex/Rivett Inc. - Hydraulic Power Units for Extreme Operation

A custom-designed power unit from Dynex will exceed your expectations for your most difficult applications. Need pressures to 15,000 psi? Operation with low-viscosity, low-lubricity fluids? Stainless steel or other special construction? SC Series units are designed to your exact specifications. (read more)

Dynex/Rivett Inc. - High-Pressure Hydraulic Motor-Pump Assemblies

Dynex hydraulic motor-pump assemblies provide a solution for applications requiring high pressure, operating with a wide range of special fluids. Custom fabricated assemblies range from the smallest 0.75 HP power packs, to large 200 HP systems. (read more)

Dynex/Rivett Inc. - Hydraulic Checkball Pump Operation - View Video

Dynex checkball pumps use two check valves in each piston pumping-chamber to direct flow from the inlet side of the pump to the pump outlet port. Reviewing how these pumps operate can help to understand the benefits of using the pumps, on systems requiring high pressure or using low-lubricity fluids. (read more)

Dynex/Rivett Inc. - Hydraulic Checkball Pumps for 20,000 psi Operation

Dynex high-pressure pumps provide a solution for extreme hydraulic systems with operating requirements to 20,000 psi. These checkball piston pumps provide better wear and high volumetric efficiency, especially at high pressure with low-viscosity fluids. (read more)

Dynex/Rivett Inc. - Dynex Wellhead Control Hydraulic Pumps

Dynex water-glycol pumps operate reliably at pressures to 15,000 psi for charging accumulators on wellhead control systems. The single-fluid design eliminates the need for a separate lubrication circuit resulting in reduced space, piping, and ongoing maintenance cost. (read more)

Dynex/Rivett Inc. - Hydraulic Power Units for Low-Viscosity Fluids

Dynex SC Series custom power units meet the requirement for long-life and exceptional performance operating with low-viscosity, low-lubricity fluids. These units meet customers' exact requirements with Dynex checkball piston pumps for compatibility with water glycol and other water-based and fire-resistant fluids, Skydrol, HyJet and other phosphate ester fluids, and various MIL-Spec fluids. (read more)

Dynex/Rivett Inc. - Hydraulic Relief Valves for 15,000 psi Operation

Dynex VH Series pressure controls are ideal for use in high-pressure and high-shock systems. These pilot-operated, poppet style valves provide fast response to circuit conditions. Relief valves regulate pressure and provide circuit protection at pressures to 15,000 psi. (read more)

Dynex/Rivett Inc. - 10 Reasons Designers Use Checkball Hydraulic Pumps

Checkball hydraulic pumps use two check valves in each piston pumping chamber to direct flow from the inlet side of the pump to the pump outlet port. This design provides consistently longer service life than other pump designs, especially operating at high pressures, with low-viscosity, low-lubricity fluids. (read more)

Dynex/Rivett Inc. - Multiple-Outlet Hydraulic Pumps Simplify Circuits

Multiple-outlet hydraulic pumps provide a solution for complex circuits with multiple machine functions. Open-loop circuits, with Dynex Split-Flow piston pumps, are simple to use and extremely reliable, even in difficult operating conditions. (read more)

Dynex/Rivett Inc. - Hydraulic Pumps for High-Pressure Lube Systems

Dynex high-pressure PF4200 Series pumps provide a solution for hydrostatic roll balance and high-pressure lubrication systems. These hydraulic piston pumps operate at pressures to 20,000 psi. They provide long life in severe heat and contamination, where dirt and moisture cannot be totally removed by filtration. (read more)

Dynex/Rivett Inc. - Hydraulic Pumps for Solar-Powered Wellhead Control

Dynex PF500 Series hydraulic pumps provide a solution for critical wellhead control in remote locations where power is limited. These compact piston pumps require only 0.75 HP at 10,000 psi, making them ideal for battery-powered solar panel systems. (read more)

Dynex/Rivett Inc. - Hydraulic Piston Pumps for Mining Equipment

Hydraulic pumps from Dynex provide a solution for machine builders to keep their mining equipment working on schedule without downtime. Checkball piston pumps are contamination tolerant and resistant to shock loads and severe vibration. (read more)

Dynex/Rivett Inc. - Hydraulic Power Units for Aerospace Testing

Dynex hydraulic power units provide a solution to test engineers that require exceptional performance in the harsh conditions required for testing of aerospace components. These units use Dynex checkball piston pumps for operation at pressures to 20,000 psi, with a wide range of fluids. (read more)

Dynex/Rivett Inc. - High-Pressure Hydraulic Pumps for Water Glycol

Dynex pumps for use with water glycol provide a solution for high-pressure applications requiring the use of fire-resistant and eco-friendly fluids. These checkball piston pumps operate at pressures to 15,000 psi. Advantages include lower installation cost and low maintenance. (read more)

Dynex/Rivett Inc. - Hydraulic Pumps for Pipe Jacking & Construction

Dynex hydraulic pumps provide a solution for tunneling machines and high-force jacking of pipe and concrete sections. These piston pumps operate with long life at pressures to 15,000 psi, working in harsh, dirty environments. (read more)

Dynex/Rivett Inc. - Vertical Mount Hydraulic Power Units from Dynex

VT Series power units from Dynex provide a solution for a applications requiring a compact system with a small footprint. These vertical mount units are typically used for low-horsepower systems. But with custom fabrication, they can meet most specific requirements, with flows to 20 gpm and pressures to 15,000 psi. (read more)

Dynex/Rivett Inc. - 10,000 psi Hydraulic Directional Control Valves

High-pressure hydraulic systems often require complex circuits to achieve four-way directional valve control. Dynex HP03 Series valves solve that problem with a simple sliding-spool design that operates at pressures to 10,000 psi, double that of other conventional spool valves. (read more)

Dynex/Rivett Inc. - Hydraulic Pumps for Skydrol Test Stands

Dynex hydraulic checkball pumps provide exceptional performance in the harsh conditions required for testing aerospace components. Pumps are available for operation at pressures to 20,000 psi, using a wide range of fluids including Skydrol and various MIL-SPEC fluids. (read more)

Dynex/Rivett Inc. - Split-Flow® Hydraulic Pumps for Lifting & Handling

Dynex multiple-outlet hydraulic pumps provide a solution for heavy lifting, jacking and skidding operations. These piston pumps, with Split-Flow® technology, increase circuit flexibility, simplify the hydraulic system and reduce overall cost. They operate reliably at pressures to 15,000 psi. (read more)

Dynex/Rivett Inc. - 15,000 psi Hydraulic Relief Valves for Test Stands

Dynex VH Series pressure controls provide a solution for high-pressure and high-shock systems. High-pressure capability to 15,000 psi and a wide range of fluid compatibility make these relief valves ideal for hydraulic test-stand systems. (read more)

Dynex/Rivett Inc. - Standard JIC Horizontal Hydraulic Power Units

Dynex hydraulic power units provide a solution for industrial applications requiring heavy-duty, continuous-use. These JIC and NFPA standard power units provide a wide range of reservoir sizes up to 1000 gallons. (read more)

Dynex/Rivett Inc. - Hydraulic Power Units for Special Requirements

A hydraulic power unit from Dynex provides a custom solution for your specific industry and application requirements. With flow ranges to 200 gallons and pressures to 15,000 psi, SC Series units are designed to your exact specifications. Units with checkball piston pumps are compatibility with water glycol and Skydrol fluids. (read more)

Dynex/Rivett Inc. - Dynex Hydraulic Pumps for Wellhead Panel Systems

Dynex PF500 Series hydraulic pumps provide a solution for critical wellhead control in remote locations where power is limited. These compact piston pumps require only 0.75 HP at 10,000 psi, making them ideal for battery-powered solar panel systems. (read more)

Dynex/Rivett Inc. - RA Right Angle Hydraulic Power Units

Dynex RA Series power units provide a solution for applications requiring weather-tight integrity with minimum external piping. These units are custom fabricated to meet specific requirements, with flows to 200 gpm and pressures to 15,000 psi, for use with a wide-range of fluids. Select prime movers to 200 HP and reservoirs to 1,000 gallons. (read more)

Dynex/Rivett Inc. - Dynex Hydraulic Valves for 8,000 psi Operation

Dynex HP05 directional control valves provide a solution for your high-pressure systems requiring four-way control. These valves operate at pressures to 8,000 psi, 60% higher than other conventional subplate-mounted valves. (read more)