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✓ Built to Empty

Cone Bottom Tanks

Cone bottom tanks are poly storage tanks with an angled base that directs material to a center-bottom outlet, designed for applications where complete or near-complete drain-down is required. They are typically specified for batching, product transfer, and process applications where minimizing residual material in the tank is part of the design requirement.

FDA / CFR Compliant

Download Spec Sheet

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Spec List

  • Material: Linear polyethylene, one-piece seamless construction.
  • Capacity: 5 to 6,600 gallons
  • Outlet: Center-bottom bulkhead fitting, female threaded.
  • Cone Angle: tanks available in 15, 20, 30, 45, and 60° angles depending on model.
  • Additional features: Gallon markers, molded-in tie-down slots. Operating temperature up to 140°F.

Features

  • Improved drain-down: cone geometry directs material to the outlet, reducing residual volume
  • Designed for batching, dosing, and product transfer workflows
  • Outlet and valve configuration options (model-dependent)
  • Resin complies with FDA 21 CFR 177.1520 (c) 3.1 and 3.2.
  • Stand/support: Steel stands available for most models, with mixer mount option.

Applications

  • Chemical batching and dosing systems
  • Process transfer and product evacuation
  • Agricultural liquid storage and dispensing
  • Industrial process tanks requiring full drain-down
  • Clean-in-place (CIP) and sanitary process applications (verify material and configuration requirements)
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Cone Bottom Tank Details

Cone bottom poly tanks are the right call when drain-down efficiency is a design requirement. The angled cone base concentrates material at a center-bottom outlet, making them the standard choice for batching, dosing, and chemical transfer where residual material in a flat-bottom tank isn't acceptable. Resin complies with FDA 21 CFR 177.1520 and is compatible with a wide range of chemicals; confirm material suitability for your specific liquid and concentration before specifying.

A support stand is required in nearly all cone bottom storage tank installations to provide outlet clearance for valve and piping connections. Stand type, outlet size, and connection configuration vary by model. Spec sheets, dimensional drawings, and submittal documentation are available through a sales specialist. Bring your capacity, footprint, and outlet requirements to the quoting conversation.

Specialist Support for Your Storage Project

Talk with a specialist for practical guidance and equipment recommendations.

1-863-261-8388 Contact a Specialist

Frequently Asked Questions

Common questions about cone bottom tank selection, installation, and specification.

Why a cone bottom tank instead of a flat-bottom tank?

Cone bottom tanks are specified when drain-down efficiency matters. The angled base directs material toward the center outlet, reducing residual volume after emptying. Flat-bottom tanks are typically used for straightforward storage where complete evacuation isn't a requirement. If your application involves batching, product transfer, or periodic clean-out, a conical bottom tank is usually the better fit.

What liquids can be stored in a cone bottom tank?

Polyethylene cone bottom tanks are compatible with a wide range of chemicals, agricultural liquids, and industrial process fluids, but compatibility is not universal. Confirm material compatibility for your specific liquid, concentration, and temperature before specifying. Use our Chemical Compatibility Chart or contact a sales specialist.

Do I need a stand for a cone bottom tank?

Yes, in nearly all installations. The cone geometry requires elevation to provide clearance for the outlet connection and valve assembly below the tank. Stand specifications vary by tank size and model. Confirm stand requirements when you request a quote.

How do I specify the outlet for a cone bottom poly tank?

Outlet size, connection type, and valve interface options vary by model. When requesting a quote, provide your required outlet size, connection type (threaded, flanged, etc.), and any downstream piping or valve constraints. A sales specialist can confirm what configurations are available for the tank size and material you need.