Selecting and Specifying The Right Polyethylene Tank For Your Application

Choosing the right storage or process tank is critical for safety, reliability, and long-term performance.
Our latest white paper, Selecting and Specifying the Right Polyethylene Tank for Your Application, provides detailed guidance to help you make an informed decision. Below are key takeaways you can put into practice right away.

Why Polyethylene Tanks?
Polyethylene tanks—commonly called “poly tanks”—have been a preferred solution since the 1970s for applications ranging from potable water and food production to chemical processing. Their durability, chemical resistance, and cost-effectiveness make them an excellent choice for industries that require long service life and dependable performance.

Critical Design Considerations
When specifying a tank, consider chemical compatibility, specific gravity, operating temperature, and pressure. Proper sizing, configuration (flat or cone bottom), and placement of fittings are essential to ensure safety and functionality. Look for manufacturers that can provide detailed CAD drawings, hydrotesting, and quality certifications before shipment.

Material Selection: HDPE vs. XLPE
Two main materials dominate the market: High-Density Polyethylene (HDPE) and Crosslinked Polyethylene (XLPE).

• HDPE is FDA-approved, weldable, and recyclable—ideal for food, potable water, and high-purity chemical storage.
• XLPE offers excellent impact resistance and is a good option for applications subject to vibration, but it cannot be welded or easily repaired.

An experienced supplier can guide you to the best material for your specific chemicals and conditions.

Manufacturer Expertise Matters
Beyond materials and fittings, the expertise of your tank supplier is crucial. A trusted manufacturer should offer engineered solutions, custom enhancements such as heating or insulation, and a proven track record in demanding chemical and industrial applications.

Key Takeaway
A well-designed polyethylene tank system ensures years of low maintenance and reliable service. Partnering with a knowledgeable supplier helps you avoid unnecessary costs and ensures your system is built for long-term safety and efficiency.

Need Assistance?
Peabody Engineering has over 40 years of experience in polyethylene tank manufacturing and logistics. If you encounter issues or have questions about handling your tank, our team is ready to assist. Contact us at 1-800-4-PEABODY for expert support.

Fill out form to Download this white paper to access in-depth specifications, fittings guidance, and best practices from Peabody Engineering’s 40+ years of tank manufacturing experience.

Best Practices for Shipping & Packing of Polyethylene Tanks

When investing in a polyethylene tank, ensuring it reaches your facility in perfect condition is critical. At Peabody Engineering, we take every precaution to protect our tanks during transit, but proper handling upon delivery is equally important. This guide outlines best practices for shipping, receiving, and unloading polyethylene tanks of all sizes.

Shipping Methods by Tank Size

Small Tanks (5 to 65 Gallons)
For smaller tanks, standard shipping methods like UPS and FedEx are used. When shipping multiple tanks, they are palletized, strapped, and wrapped in polyethylene film for added protection. Accessories are placed inside the tank to prevent damage, and these shipments can typically be unloaded by hand, pallet jack, or forklift.

Medium-Sized Tanks (70 to 1500 Gallons)
Larger tanks exceed small package shipping limits and are transported via common or contract carriers. These tanks are securely palletized and wrapped to prevent damage. Tanks over 48 inches in diameter are placed on custom-built pallets, with additional protection for welded nozzles and fittings. Unloading typically requires a pallet jack or forklift.

Large Tanks (Over 1500 Gallons)
Larger polyethylene tanks are often customized with welded nozzles, ladders, and other components. They require specialized handling, often shipped via dedicated trucks as “wide loads.” These tanks are typically laid on their side and must be handled carefully during unloading. Peabody Engineering provides a guide on safe tank unloading and installation upon request.

Receiving and Inspecting Your Tank
Upon delivery, conduct a thorough inspection before signing the bill of lading:
✅ Check for damage – Examine both the exterior and interior of the tank for signs of impact or loose parts.
✅ Verify shipment contents – Ensure all items listed on the bill of lading are accounted for, including any accessories.
✅ Document issues immediately – If damage is noted, take photos and document it on the receiving paperwork before accepting the shipment.

Failure to note damages upon delivery can result in difficulty filing a claim with the freight company.

Proper Offloading Procedures
To prevent damage during unloading:

• Do not roll tanks off the truck – Rolling can damage fittings and accessories.
• Use the correct equipment – Large tanks should be offloaded with a forklift or crane.
• Account for environmental factors – Wind and uneven terrain can make handling more challenging.

Need Assistance?
Peabody Engineering has over 40 years of experience in polyethylene tank manufacturing and logistics. If you encounter issues or have questions about handling your tank, our team is ready to assist. Contact us at 1-800-4-PEABODY for expert support.

Fill out form to Download this white paper to serve as a reference to understand what to expect when receiving your tanks.

Engineered Polyethylene Tank Systems – Components

When it comes to liquid process and storage, engineered polyethylene tanks offer unparalleled versatility across industries. From potable water to industrial chemicals, these tanks are built to handle a diverse array of applications. However, selecting the right material and fittings is crucial to ensure performance, durability, and cost-effectiveness.

Material Matters

Polyethylene tanks are primarily crafted from two types of resins: Linear Polyethylene (LPE) and Crosslinked Polyethylene (XLPE). While XLPE is often assumed superior, LPE actually offers better overall chemical resistance, similar physical properties, and sufficient temperature tolerance for most applications. LPE is also NSF 61-rated, making it the go-to material for high-purity applications like pharmaceuticals and food processing. Moreover, LPE tanks are recyclable, reducing environmental impact—a growing priority in today’s markets.

Process Fittings: A Critical Decision

The right process fittings can make or break the performance of a tank system. Options range from economical bulkhead fittings to robust welded couplings. Each fitting style presents unique benefits and limitations:

• Bulkhead fittings are cost-effective and easy to install but may require frequent gasket replacements.
• Welded couplings provide unmatched durability and chemical compatibility, ideal for heavy-duty applications.
• Spin-weld fittings offer a low-cost solution but are best suited for light-duty and top-mounted applications.

Advanced options like SUMO or IMFO fittings, integrated during the molding process, reduce leakage risks and maximize drainage but come with fixed locations and limited sizes.

Making the Right Choice

Selecting the optimal tank system goes beyond choosing the right resin or fittings. It requires an understanding of material properties, application needs, and the long-term demands of the system. Collaborating with an experienced tank supplier ensures a tailored solution, balancing performance, safety, and lifecycle cost.

Engineered polyethylene tanks and components are investments in operational reliability. By staying informed about material innovations and partnering with trusted providers, businesses can achieve a seamless, high-performing tank system.

To read the full White Paper Engineered Polyethylene Tank Systems – Components – Fill out form to Download.