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Gas Springs for Hatches

Boat Hatch Lifts Gas Springs Manufacturers

Gas springs are commonly used in hatches and access panels, such as in boats, RVs, and industrial equipment, to hold them in open or closed positions securely.
Zhejiang Oulida Hydraulic Machinery Co., Ltd. was established in 1993 and specializes in the development and production of gas springs. Marine Gas Struts Manufacturers and Factory. Currently, our gas springs are widely used in engine hoods, doors, and other support systems in various applications, including automotive, construction machinery, Custom Gas Struts for boat hatches, Custom RV Door Gas Strut, Hatch Lifts Gas Spring Factory, both domestically and internationally. In 2017, we established a cooperative management system called DMC (Design-Manufacture-Cooperate) in collaboration with DEFTA from France and MICHANG from South Korea.
Oulida boasts a team of skilled and experienced designers who are adept at creating innovative and functional designs for gas springs. We stay at the forefront of industry trends and continuously strive to develop solutions that meet the evolving needs of our clients.
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Facts and Figures

  • 100+


  • 30+years


  • 20+


Zhejiang Oulida Hydraulic Machinery Co., Ltd.

Quality Assurance

Oulida is committed to delivering top-notch quality for every gas spring we produce. We have implemented rigorous quality control measures at every stage, from raw material sourcing to final inspection. Our skilled technicians perform meticulous testing and inspection to ensure that each gas spring meets the higher industry standards. Custom Marine hatches Gas Struts. Oulida's manufacturing capabilities are designed to meet diverse customer demands. Our production capacity, combined with our flexibility and scalability, allows us to handle both small and large-scale orders efficiently. We are well-equipped to support the evolving needs of our customers as their businesses grow.

Manufacturing strength

  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
  • Oulida factory
Industry Knowledge
What is the load capacity of boat hatch gas springs?
The load capacity of boat hatch gas springs also known as gas struts, refers to the maximum force that the gas spring can exert when supporting the weight of the hatch or lid in a fully open position. The load capacity is typically specified in units of force, such as pounds (lbs) or Newtons (N).
The load capacity of Gas Struts for boat hatches is determined based on several factors, including:
Hatch Weight: The weight of the boat hatch or lid is a critical factor in determining the load capacity of the gas spring. The heavier the hatch, the greater the force required to support it in the fully open position.
Hatch Size: The size and dimensions of the boat hatch also influence the load capacity of the gas spring. Larger hatches may require gas springs with higher load capacities to provide sufficient support and stability.
Operating Conditions: Consideration must be given to the operating conditions in which the boat hatch will be used. For example, if the boat operates in rough seas or high winds, higher load capacity gas springs may be required to withstand the additional forces exerted on the hatch.
Safety Margin: It is advisable to select boat hatch gas springs with a load capacity that exceeds the calculated force required to support the hatch. A safety margin helps account for variations in weight distribution, changes in operating conditions, and other factors that may affect the performance of the gas spring.
To determine the appropriate load capacity of boat hatch gas springs, boat owners and manufacturers typically follow these steps:
Calculate Hatch Weight: Determine the weight of the boat hatch or lid by measuring its dimensions and material composition. Consider any additional weight from hardware, insulation, or accessories attached to the hatch.
Consider Hatch Position: Determine the desired angle at which the boat hatch will be fully open. This angle affects the force exerted by the gas spring and should be considered when calculating the required load capacity.
Consult Manufacturer Guidelines: Refer to the manufacturer's specifications, guidelines, and recommendations for selecting gas Struts for boat hatches based on hatch weight, size, and operating conditions. Manufacturers typically provide load capacity charts and selection guidelines to assist with the selection process.
Choose Appropriate Gas Spring: Select gas springs with load capacities that exceed the calculated force required to support the boat hatch in the fully open position. Choose gas springs with appropriate stroke lengths, mounting options, and corrosion-resistant materials for marine applications.
By carefully considering the weight, size, and operating conditions of the boat hatch, boat owners and manufacturers can select gas springs with the appropriate load capacity to ensure safe, reliable, and efficient operation of boat hatches in various marine environments.
What maintenance procedures are recommended for Marine hatches Gas Struts ?
To ensure optimal performance and longevity of marine hatch gas struts, regular maintenance procedures should be followed. Here are some recommended maintenance procedures for marine hatch gas struts:
Regular Inspection: Inspect hatch lifts gas spring periodically to check for signs of wear, corrosion, or damage. Visual inspection should include examining the gas struts for leaks, dents, cracks, or any other abnormalities that may affect their performance.
Check Mounting Hardware: Inspect the mounting hardware and brackets securing the gas struts to the hatch and boat structure. Ensure that bolts, screws, and fittings are tight and secure, and look for any signs of corrosion or deterioration.
Clean the Gas Struts: Clean the exterior surfaces of the gas struts regularly to remove dirt, salt, and debris that can accumulate over time, particularly in marine environments. Use a mild detergent solution and a soft cloth to gently wipe down the gas struts, avoiding abrasive cleaners or solvents that may damage the finish.
Lubrication: Apply a light coat of silicone-based or marine-grade lubricant to the moving parts and seals of the gas struts to maintain smooth operation and prevent corrosion. Lubrication helps reduce friction, extends the life of the gas struts, and ensures consistent performance in harsh marine conditions.
Test Functionality: Periodically test the functionality of the marine hatch gas struts to ensure they operate smoothly and provide adequate support for the hatch. Open and close the hatch several times to check for any sticking, binding, or uneven movement that may indicate issues with the gas struts.
Replacement: Monitor the condition and performance of the marine hatch gas struts over time, and replace them if signs of wear, leakage, or reduced performance are observed. Gas struts that fail to support the hatch adequately or exhibit visible damage should be replaced promptly to prevent safety hazards and equipment malfunction.
The frequency of maintenance procedures for marine hatch gas struts depends on various factors, including:
Usage: Gas struts that are used frequently or exposed to heavy loads may require more frequent inspection and maintenance.
Operating Conditions: Marine environments with saltwater exposure, humidity, and harsh weather conditions may accelerate wear and corrosion, necessitating more frequent maintenance.

What are the conveniences of RV door gas struts in use?
RV door gas struts provide several conveniences that enhance the functionality and user experience of recreational vehicles (RVs). Here are some of the key conveniences of RV door gas struts:
RV door gas struts assist in the smooth and effortless opening and closing of RV doors. They reduce the amount of physical effort required to operate the door, making it easier for users to enter and exit the vehicle.
With RV door gas struts, users can open and close the door without needing to use their hands to hold it in position. This hands-free operation is convenient, especially when carrying items or maneuvering in tight spaces.
Gas struts provide controlled movement of RV doors, ensuring that they open and close smoothly and safely. They prevent sudden slamming or swinging of the door, reducing the risk of accidents and injuries.
Many RV door gas struts allow for adjustable opening angles, allowing users to set the door to remain partially open if desired. This feature is useful for ventilation, airflow, and maintaining privacy while still allowing access to the RV.
Gas struts help optimize space within the RV by eliminating the need for door stops or latches that protrude into the interior. This allows for more efficient use of living and storage areas inside the vehicle.
RV door gas struts help secure the door in the closed position, preventing it from unexpectedly swinging open while the vehicle is in motion. This enhances security and peace of mind for RV occupants, especially during travel.
High-quality RV door gas struts are designed to withstand the rigors of frequent use and exposure to outdoor elements. They are built to be durable, reliable, and long-lasting, providing consistent performance over time.
Gas struts contribute to the overall aesthetic appeal of RVs by providing a sleek and modern appearance to the doors. They eliminate the need for bulky hinges, handles, or door-closing mechanisms, creating a clean and streamlined look.
RV door gas struts offer convenience, safety, and functionality for RV owners, making them a popular choice for door operation in recreational vehicles. Their ease of use, reliability, and space-saving design contribute to a more enjoyable and comfortable RVing experience.