Author: Henry Chen Publish Time: 2026-02-24 Origin: Jinan Cassman Machinery Co., Ltd.
When you buy a standard tank, you see the finished product before you pay. But when you order a Customized Tank, you are buying a promise. You are trusting a manufacturer to turn your specific requirements into a tangible, high-performance vessel.
How do you ensure that promise is kept? The answer lies in understanding the manufacturing process.
High-quality customization isn't magic; it is a rigorous sequence of engineering, precision fabrication, and testing. In this guide, we pull back the curtain on the Cassman Factory Direct process, showing you exactly how we transform a raw sheet of steel into the heart of your brewery.
The most critical step happens before a single piece of metal is cut. It starts with a conversation.
Because we operate on a Factory Direct model, you aren't speaking to a catalog salesperson. You are communicating with technical experts who need to understand the "Why" behind your request.
Key Discussion Points:
The Application: Is it for fermentation (pressure required), storage (atmospheric), or mixing?
The Constraints: What are your ceiling heights, door widths, and floor load limits?
The Process: Do you need specific port locations for hard-piping? Do you need a shadowless manway for dry-hopping?
Once we understand your needs, we move to the digital drawing board. This is where "Customized" becomes reality.
Our engineers create a detailed CAD (Computer-Aided Design) model. This isn't just a sketch; it's a blueprint.
Visualization: We provide you with a 3D rendering so you can see exactly how the tank will look.
Verification: You can check port spacing, height, and clearances.
We calculate the necessary wall thickness and head geometry based on your required working pressure (e.g., 15 PSI for fermenters, 30 PSI for carbonation tanks).
The Factory Direct Difference: If you see an issue in the design, we change it instantly. There is no middleman to relay messages back and forth. You approve the final drawing before production begins.
With the design locked in, the physical work begins. Here is how Cassman Customized Tanks are born.
We start with certified, high-grade stainless steel (SS304 or SS316). Laser cutters slice the steel sheets with sub-millimeter precision to ensure perfect fit-up during assembly.
The sheets are rolled into cylinders, and the heads (dished or conical) are formed. This requires heavy machinery capable of bending thick steel without creating stress fractures.
This is where skill matters most.
TIG Welding: We use TIG (Tungsten Inert Gas) welding with pure Argon shielding. This creates a clean, sanitary weld that resists corrosion.
Double-Sided Welding: For pressure vessels, we weld both the inside and outside seams to ensure maximum structural integrity.
A rough weld is a hiding spot for bacteria. Our craftsmen grind down the internal welds and polish the interior surface to a sanitary finish (Ra ≤ 0.4μm). This ensures your tank can be cleaned (CIP) effectively.
A tank isn't finished until it's proven safe. At Cassman, our QA process is rigorous.
Every jacketed tank undergoes a hydrostatic pressure test. We fill the jacket and the vessel with water and pressurize it to 1.5x the operating pressure for 48 hours. If the gauge drops even slightly, the tank is rejected.
This is the final chemical treatment. We use an acid solution to remove any free iron from the surface and restore the stainless steel's passive oxide layer. This is what makes the tank "stainless" and rust-resistant.
We check every clamp, valve, and leg. We invite you to view the finished product via video call before crating and shipping.
When you choose a Customized Tank, you aren't just buying steel; you are buying the engineering and the process behind it.
A flaw in the design phase or a shortcut in the welding phase can lead to leaks, infection, or safety hazards down the road. By understanding the rigorous manufacturing steps we take at Cassman, you can be confident that your custom equipment will perform flawlessly from day one.
Don't settle for a "black box" purchase. Work with a partner who values transparency. Contact Cassman Today to discuss your project with our engineers and see your custom design come to life.
Help others understand what goes into quality equipment. Share this guide!
