Fraser Berkhout
Hydraulic Product Salesperson
Fraser shares practical knowledge about hydraulic pumps, motors, product history, drawings, and schematics based on his first-hand experience. He also works closely with the content team and will appear in Troubleshooting videos while sharing his hydraulic knowledge through blog posts.
Expertise
- Hydraulic pumps and motors
- Parker Hannifin
- Linde
- Eaton
- Duraforce
- Calzoni
- Chelsea Power Take-Off
Authored content
Blog / News
What Are Calzoni Radial Piston Motors? Heavy-Duty Applications
Learn why Calzoni radial piston motors are built for high-pressure, low-speed, high-torque applications and where these motors are used.
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What Is a Pressure Compensator? How Does It Work?
Learn how pressure compensators control pump displacement and reduce wasted flow and heat in hydraulic systems.
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What Happens to a Threaded Fastener Under Load?
Learn how threaded fasteners handle tensile and compressive forces, elastic stretching, and fatigue in high-pressure hydraulic assemblies.
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Hydraulics History: Eaton Duraforce and Linde
Explore Eaton DuraForce and Linde Hydraulics, including H-02 pumps and motors, their partnership, and what happened to DuraForce.
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PGM 511 Gear Motor Shaft Seal Failure: What Causes It?
Why did this PGM 511 gear motor blow its shaft seal? Learn how excessive case pressure and restricted housing drainage can cause seal failure.
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Why Won't This Danfoss Piston Pump Adjust? Compensator Troubleshooting
Learn how we diagnosed a Danfoss piston pump cutting off at 2,000 psi instead of 3,000 psi and identified the pressure compensator issue.
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Why Do Rexroth Pump Shaft Splines Wear? Triple Tandem Troubleshooting
Learn why Rexroth triple tandem pump shaft splines wear and how to distinguish spline wear from over-torque by checking alignment and lubrication.
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Why Do Hydraulic Pumps Stall Electric Motors? Parker PVP 33 Case-Drain Analysis
Learn how excessive case-drain flow and internal leakage can increase hydraulic pump torque demand, cause motor stalling, and signal pump wear.
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What Is an Inching Valve? Linde BPV 50 Control Explained
Learn how the Linde BPV 50 inching valve works, including its controls, swashplate operation, closed-loop system and hydrostatic transmission.
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PV270 Hydraulic Pump Troubleshooting: Trunnion Bearing & Servo Piston Wear
See what worn parts reveal inside a Parker PV270 hydraulic pump. Learn how the trunnion bearing & servo piston affect swashplate movement & flow.
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What Does the “V” in Linde HPV Mean? Variable Pumps Explained
Learn how Linde variable and regulating pump controls differ, how HPV pumps use external signals, and what the servo ports do.
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Parker Distributor of the Year: What the Partnership Award Recognizes
Learn why Lifco Hydraulics received Parker's Partnership Award & how inventory, technical expertise, service, & customer support helped earn it.
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