Often overlooked, check valves are indispensable components in emergencies.  -  Photo: Work Truck

Often overlooked, check valves are indispensable components in emergencies.

Photo: Work Truck

June is National Safety Month, a necessary time to raise awareness and prioritize the well-being of workers in the fleet industry.

Work trucks equipped with aerial work platforms enhance productivity and efficiency in construction, maintenance, and other elevated tasks.

However, ensuring the safety of these work trucks requires meticulous attention to detail, and one component that plays a critical role is the check valve.

These often-overlooked devices are vital safeguards, preventing hydraulic system failures and potential accidents.

With the help of Parker Hannifin QCD, we’ll explore the significance of check valves in work trucks with aerial work platforms and shed light on their essential role in promoting safe and secure operations.

The Vital Role of Check Valves in Aerial Work Trucks

During critical emergency operations, it is crucial to safeguard the integrity of emergency pumps used as backups in case primary pumps fail.

These emergency pumps are commonly found in trucks equipped with aerial work platforms, such as bucket trucks utilized in industries like utilities, tree care, construction, agriculture, and maintenance services.

Check valves play a vital role in the hydraulic systems of bucket trucks by preventing backflow, allowing fluid to flow in only one direction. This safeguard ensures that the emergency pump remains protected from any potential damage.

Additionally, check valves act as a defense mechanism against contamination, preventing foreign particles or debris from entering the hydraulic system and causing harm to the pump or other hydraulic components.

In the event of a primary pump failure, the emergency pump is activated to safely lower the platform to the ground. The presence of a reliable check valve in the system isolates the emergency pump, shielding it from backflow or back pressure, thus ensuring its usability during hazardous situations.

By maintaining pressure in the hydraulic system, check valves enable the emergency pump to operate effectively and safely during emergencies. In case of a hydraulic line rupture, the installation of a check valve on the hydraulic lift cylinder can prevent sudden drops of the aerial work platform, mitigating the risk of injuries or property damage.

Check valves are often overlooked, but can help prevent accidents.  -  Parker Hannifin

Check valves are often overlooked, but can help prevent accidents.

Parker Hannifin

How Reliable Check Valves Elevate Aerial Work Platform Truck Operations

Reliable check valves are essential for trucks operating aerial work platforms in many ways.

Some benefits include:

  • Maximizing Efficiency: Harnessing the power of check valves in aerial work platform trucks ensures the hydraulic system maintains optimal pressure, enhancing overall efficiency and boosting truck performance and productivity.
  • Safeguarding Equipment: By preventing the backflow of fluids, check valves are crucial in shielding the hydraulic system and other equipment from potential damage. This protection extends the lifespan of the equipment, reducing repair needs and enhancing longevity.
  • Operator Safety: Check valves act as a safety net, preventing catastrophic incidents like booms or buckets falling due to hydraulic failure. This not only safeguards the operator from harm but also prevents damage to the surrounding area, ensuring a secure work environment.
  • Preventing System Contamination: A key advantage of check valves is their ability to halt the reverse flow of hydraulic fluid, effectively preventing contamination by dirt or foreign materials. This safeguards the integrity of the pump and other vital components, avoiding potential damage and preserving system performance.
  • Saving on Costs: By maintaining the health of the hydraulic system, check valves indirectly contribute to significant cost savings. With minimized damage, the need for frequent maintenance and repairs is reduced, resulting in long-term financial benefits.

Often overlooked, check valves are indispensable components in emergencies.

Choosing the most reliable check valve for your specific application is paramount, ensuring optimal performance and peace of mind. 

About the author
Staff Writer

Staff Writer


Our team of enterprising editors brings years of experience covering the fleet industry. We offer a deep understanding of trends and the ever-evolving landscapes we cover in fleet, trucking, and transportation.  

View Bio