API 620 Storage Tanks: Engineered for Low-Temperature, Pressurized Storage

Need a reliable solution for storing low-temperature, pressurized liquids? Our API 620 storage tanks are your answer.

Tate Metalworks is a custom tank fabricator positioned to service our clients projects across the United States. We engineer and design reliable tanks that meet your specifications with unparalleled quality, efficiency and safety.

From LNG and LPG cryogenic liquids to Liquid Ammonia to specialized chemicals, our API 620 tanks withstand the toughest conditions, ensuring operational safety and long-term reliability for your critical processes and storage needs.

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Why choose an API 620 Tank?

Ensure Safety with Superior Low-Temperature & High-Pressure Storage

With the ability to manage liquids with low-temperatures & high-pressures, API 620 tanks can handle complex storage requirements.

Ensure Peace of Mind with Unmatched Safety & Reliability

We strictly adhere to ASME and API standards, ensuring maximum safety and reliability for your operations.

Invest in a Storage Tank Built to Last

Our API 620 tanks are highly reliable, constructed using high-quality materials such as carbon steel, stainless steel, and nickel alloys.

Optimize Your Space & Operations with Custom Designs

The design flexibility of API 620 tanks allows for custom shapes and sizes, tailored specifically to your project needs.

Precision Engineered, High Quality Tanks that Are Built to Last

We understand that precision engineering and meticulous construction are essential for the safe and reliable operation of API 620 tanks. Our commitment to quality is reflected in every step of the process:

Material Selection: We only use the finest materials, including carbon steel, stainless steel and nickel alloys to ensure your tank withstands the toughest conditions for long-term performance.

Welding Procedures & Certifications: Our certified welders employ ASME-compliant procedures, ensuring the highest quality joins and structural integrity.

Stringent Quality Control Measures: From material selection to final inspection, our quality control measures ensure that every tank meets the highest standards.

Thorough Inspection and Testing: Each tank undergoes inspection and testing per its design to ensure it meets all safety and performance benchmarks.

Versatile Solution for Demanding Industries

API 620 tanks are designed for flexibility, exceptionally crafted to meet various industrial needs with a range of configurations and applications

Common Configurations

Flat Bottom Tanks: Ideal for maximizing storage capacity and cost-effectiveness

Cone Bottom Tanks: Perfect for efficient drainage and easy cleaning

Dished Head: Efficient for containing pressure while optimizing internal volume & material usage

Umbrella Roof: Economical option that provides water drainage and vapor space

Flat Roof: Cost-effective solution that is easy to access for maintenance and inspection

Most Popular Industries for the API 620 Storage Tank

Most Popular Industries for the API 620 Storage Tank

Oil & Gas

Chemical Recycling

Pulp & Paper

Sustainable Aviation Fuel

And more!

What is the difference between API 620 and API 650 Storage Tanks?

Both API 620 and API 650 Storage Tanks can be shop fabricated or field erected depending upon your site and project’s requirements.

In general, API 620 tanks are ideal when you need flexibility, higher pressure or low-temperature storage, while API 650 is often more cost-effective for standard, large-volume liquid storage.

Feature	API 620	API 650
Pressure Rating	Higher (<= 15 PSI)	Lower (<= 2.5 PSI)
Temperature Range	Low-temperature (<= 250 ˚F)	Ambient to moderate (<= 500 ˚F)
Vacuum Range	<= 1 PSI	<= 1 PSI
Size & Shape	Customizable shapes & sizes	Predominantly vertical cylindrical
Common Applications	Cryogenic, chemical storage, etc	Chemical, Oil, water, bulk storage, etc

For more details on API 650 tanks, visit our API 650 page.

Tate partners with clients to meet their needs through quality design and construction.

We collaborate with various industries to produce steel and alloy plate structures such as industrial storage tanks, pressure vessels, stacks, silos and more.

FIELD ERECTION