Work Truck Logo
MenuMENU
SearchSEARCH

Prevent Accidents With Check Valves in Aerial Work Trucks

Reliable check valves are essential for trucks operating aerial work platforms. We explain there vital role and how to prevent accidents.

June 12, 2023
Prevent Accidents With Check Valves in Aerial Work Trucks

Often overlooked, check valves are indispensable components in emergencies.

Photo: Work Truck

3 min to read


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

Ad Loading...

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

Ad Loading...

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.

Ad Loading...

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

How Reliable Check Valves Elevate Aerial Work Platform Truck Operations

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

Ad Loading...

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. 

More Safety

A shot of a Volvo electric vehicle with a man charging it in front of a residence.
SponsoredAugust 1, 2026

Top 50 Executive Fleets

It is that time of year again! Time for the 2026 list of the Top 50 Executive Fleets, presented by Automotive Fleet and Volvo as part of its annual Fleet 500. Download now to see this year's list of companies!

Read More →
Promotional image announcing a partnership between TRUCE and Applause, featuring a driver’s hands on a steering wheel to represent connected fleet technology, driver safety, and mobile device management.
Safetyby News/Media ReleaseJuly 30, 2026

Applause & TRUCE Software Partner to Improve Driver Safety Through AI-Powered Telematics & Employee Performance Management

Applause has integrated TRUCE driving metrics directly into its employee-first performance and safety platform that transforms mobile devices into AI-powered telematics.

Read More →
Work Truck “Trucks, Tips & Tours” promotional graphic featuring a vocational truck approaching a crash-test vehicle, highlighting Detroit Assurance collision mitigation technology with the headline “Collision Mitigation Explained.”
Safetyby Wayne ParhamJuly 21, 2026

How Detroit Assurance with Active Brake Assist Works

Do you want to see what it is like to experience Detroit Assurance’s Active Brake Assist? In this video, Work Truck will put you in the cab to see how it all works and then hear more details from DTNA’s Mike Young.

Read More →
Ad Loading...
Black graphic with large white text reading “Stop Workplace Violence” framed by blue accent lines.
SafetyJuly 21, 2026

Get Left of Loss: A 5-Step Workplace Prevention Framework for Fleet Operators

Violence risks do not stop at the driver’s door. Learn five practical steps fleets can take to spot threats early and protect workers before loss occurs.

Read More →
Promotional graphic for a Utilimarc guide titled How Better Visibility Cut Speeding Violations by 48% featuring a call-to-action to download the guide.
SponsoredJuly 17, 2026

How Better Visibility Cut Speeding Violations by 48%

Fleet leaders don't need more data, they need clearer visibility into what the data is saying. This case study explores how one utility replaced speeding-event counts with a single metric — miles driven in violation — to strengthen safety and significantly reduce speeding violations.

Read More →
Commercial truck driver wearing a red seat belt smiles from the driver’s seat of a blue truck.
Safetyby StaffJuly 15, 2026

13 Safe Driving Tips for Commercial Vehicle Drivers

Make sure you are spending time on the road safely with these important tips.

Read More →
Ad Loading...
Pavement background with double yellow lines and large text that says Recall, July, and Work Truck logo.
Safetyby Wayne ParhamJuly 10, 2026

Recalls You Need to Know About in July 2026

If you have Altec, Ford, General Motors, Harbinger, Hyundai, Mack Trucks, or Volvo Trucks vehicles in your fleet, you should check these important recalls issued by the National Highway Safety Administration.

Read More →
Illustration of a human hand reaching toward a robotic hand over an aerial view of a city at dusk, with interconnected location pins and network lines symbolizing AI, telematics, connected fleet technology, and data-driven transportation.
SafetyJuly 6, 2026

How Telematics Is Transforming Fleet Risk from Insight to Action

What if you could spot risky driving before it leads to a crash? See how telematics is still changing fleet safety today.

Read More →
View from inside a commercial truck cab showing a driver at the wheel with a large marijuana leaf overlaid by a red prohibition symbol, illustrating DOT restrictions on marijuana use for commercial drivers.
Safetyby Kathy CloseJuly 2, 2026

DOT Rules Remain Firmly Lit on Marijuana

DOT says not so fast on marijuana. Even with federal reclassification efforts, commercial drivers in safety-sensitive roles remain subject to marijuana testing and prohibitions.

Read More →
Ad Loading...
LytxOne promotional graphic featuring an in-cab dash camera and icons representing analytics, search, recording, video, reporting, driver performance, fuel, and location. Headline reads, “New Features Available Now.”
Safetyby News/Media ReleaseJuly 1, 2026

Lytx Adds Fleet Management Enhancements to LytxOne Platform

Lytx has added new features to LytxOne to bring safety, operational insight, asset visibility, and compliance into a unified, all-in-one platform.

Read More →