Category: Hydraulics

Visit the Riverhawk Booth

Riverhawk Company will be exhibiting (Booth #1826) at the 2017 Turbomachinery & Pump Symposium. Several members of our Engineering and Sales Team will be available to discuss your applications and how we can help work with you on current and future projects.  Many of Riverhawk’s bolt tensioning solutions will be presented in our booth so customers can better understand how our products work. Along with these demonstration units, we will also have many of our…

Stick-Slip in Long Shaft Systems

Stick-slip is a phenomenon that occurs in mechanical systems where resistance to motion is due mostly to coulomb type friction. Coulomb friction is characterized by resistance that is one value when contacting surfaces are stationary relative to one another and lower when they are sliding. The threshold between static and dynamic friction forms a discontinuity which leads to a sharp change in resistance across a narrow change in relative speed. This effect can lead to…

New Local Representative in Saudi Arabia

Riverhawk is proud to announce the new representations for Saudi Arabia. A’Amal Group is an Arabic economic & business group founded by people with extensive in the Oil and Gas Industries. They are located in the Eastern Province of Saudi Arabia, the global hub of oil production, refining and export. A’Amal and Riverhawk both share the ‘customer value’ approach. Together we will be able to provide superior, customer aligned services and local representation in all…

Torsional Vibration Just Got Easier

Each year we exhibit at the Texas A&M Turbo Pump Symposia in Houston. It’s a great way for us to meet face to face with our customers but also a way to meet new faces.  This year was especially exciting for us as we were asked to present at the beginning of Discussion Group T17: Torsional Vibration and Monitoring. The timing couldn’t have been better as we recently developed a new torque monitoring system that…

Riverhawk Product Spotlight – Hydraulic Tensioning

Hydraulic External Tensioner (HET) HET’s are tools that apply hydraulic preloads to studs by gripping the exposed threads above an existing nut. It does this by creating axial loads using hydraulic pressure to stretch the stud rather than torqueing the nut. The stud is hydraulically preloaded, the nut is tightened down by hand and the hydraulic preload is released. Characteristics Interchangeable puller screws allow you to use a single tensioner for similarly loaded studs Puller…

Riverhawk Exhibits at 2014 Australian Oil and Gas Trade Show

Back in February, Riverhawk’s Director of Innovation Engineering attended the Australian Oil and Gas Trade Show (AOG) in Perth, Australia with Riverhawk sales representative Tony Martin of Ro-Quip Singapore. Riverhawk shared a booth with West Coast Industrial Supplies (WCIS). This was a very large exhibition and conference that focused on the development of oil and gas fields as well as production. Most of the exhibitors at our level focused on maintenance products and services. Companies…

Riverhawk Going Green with Hydraulic Oil

Over the past several months, Riverhawk has been performing some extensive testing with a new environmentally safe hydraulic fluid. This potential new fluid is biodegradable and therefore much more environmentally friendly. We have undergone numerous test with this oil to make sure it is compatible with the components we use it in. To date, Riverhawk has completed testing evaluating the oils coefficient of friction, compatibility of being mixed with existing oil, effects on the different…

Riverhawk Product Spotlight – Hydraulic Torque Coupler (HTC)

The Riverhawk Hydraulic Torque Coupler (HTC) provides high integrity keyless fit joints for coupling hubs on shaft ends using convenient, low cost slip-fit designs. Our design eliminates heat at assembly as well as keys, splines, tapered shafts, plug/ring gauges and hydraulic maintenance equipment. Shaft ends are simplified therefore reducing design, manufacturing and maintenance costs. A coupling hub with an HTC can be easily repositioned anywhere on the shaft end during installation. In addition to providing…

Product Overview: The Riverhawk Torque Blocker

The Riverhawk Torque Blocker is a mechanical fuse that can be installed in a drive train. When a torque overload occurs, the Torque Blocker will release and allow the driver and load equipment to coast down separately without damaging downstream equipment. A torque overload might be caused by short circuit conditions in an electric generator, running restart of electric motors, jams in rolling mills, or liquid slugs in compressors. Either way, the Torque Blocker will…

Riverhawk to Exhibit at the AOG 2014

Riverhawk Company will be exhibiting in the 2014 Australasian Oil & Gas trade show, which is held in Perth, Australia from February 19 through the 21st, 2014. Please take the time to stop by our booth to visit Riverhawk’s Director of Innovation Engineering, Bob Whitney as well as our Asian Pacific sales representative, Tony Martin (Ro-Quip). We will be located in booth Z68, sharing it with West Coast Industrial Supplies (WCIS). Come check out our…

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