top of page

Stainless Steel Dairy Tanks, 50 to 5,000 Gallons

Tessa builds sanitary stainless steel tanks for farm dairies, creameries and milk plants: storage and holding tanks, jacketed cooling and heating tanks, and mixing tanks with agitators. Capacities from 50 to 5,000 gallons (190 to 19,000 liters). Every tank comes with a dimple jacket, insulated three-layer construction and an agitator as standard.

Built to 3-A sanitary standards and manufactured to PMO requirements for Grade "A" dairy plants. Designed in Los Angeles, shipped and installed worldwide.

Batch Pasteurizer

Standard on every TT tank

Every size ships with the same base build:

304 stainless steel product vessel (316L optional)

Laser-welded dimple jacket on shell and bottom for glycol, ice water, hot water or steam

Insulated three-layer wall: 2 in (50 mm) polyurethane on 500-gallon tanks and up, sized to the tank on smaller models

Stainless steel outer cladding: washable, no condensation

Agitator matched to the product, variable speed available

Sloped bottom with full drain

CIP spray ball and sanitary tri-clamp connections

Hinged manway and digital temperature display

Built to 3-A sanitary standards, manufactured to PMO for Grade "A" dairy plants

3A Standard

TT Series — Sizes and Capacities

Nine standard sizes cover everything from a farmstead cheese room to a regional milk plant. Every TT tank comes as standard with a dimple jacket, insulated three-layer construction and an agitator. Anything beyond the base configuration – capacity, geometry, connections, controls – is built to order.

TT-50 – 50 gal (190 L): farmstead cheese, yogurt, small-batch cream

TT-100 – 100 gal (380 L): micro-dairy milk holding, culture tanks

TT-200 – 200 gal (750 L): raw milk holding for a 100–200 GPH line

TT-300 – 300 gal (1,150 L): pasteurized milk buffer before filling

TT-500 – 500 gal (1,900 L): cream storage, mix tank for yogurt and ice cream

TT-1000 – 1,000 gal (3,800 L): raw milk silo for small plants

TT-2000 – 2,000 gal (7,600 L): milk reception and balance tanks

TT-3000 – 3,000 gal (11,400 L): raw milk storage for HTST lines

TT-5000 – 5,000 gal (19,000 L): bulk milk storage, plant silos

Vertical and horizontal versions available. Indoor and outdoor (silo) execution on request. Custom capacities between the standard sizes are built to order.

See Tessa tanks in service: Wisconsin creamery installation

Batch Pasteurizer for Sale
AJ 300 Recorder

Storage and Holding Tanks

Raw milk, pasteurized milk, cream and whey. The jacket holds the product at 38 °F (3 °C) and slow agitation keeps cream from separating.

50 to 5,000 gal

Air Heater

Cooling and Heating Tanks

Dimple-jacketed tanks for cooling raw milk, ripening cream, preparing cultures and tempering product before filling.

Glycol, ice water, hot water or steam

Anti Leak Valve

Leak Detection Valve

A  plug valve required according the PMO.

Designed to detect leak milk while pasteurizing.

Fully sanitary and easy to clean.

1900$

Cheese Cutting Tools

Cheese Cutting Knifes

Once milk is pasteurized, the vat can be used as a cheese making vat by inserting cutting knifes

3300 $

What Is a Milk Pasteurizer Machine?

A milk pasteurizer machine is a specialized piece of dairy equipment designed to heat raw milk to a specific temperature for a set duration, in order to eliminate harmful bacteria while preserving quality and flavor. Tessa’s batch pasteurizers allow dairy producers to safely pasteurize milk in controlled, consistent cycles — ideal for small-scale creameries, farms, and startup processors. These machines are compliant with food safety standards and are designed for ease of use, energy efficiency, and long-term durability.

Vat Pasteurizer

⚙️ Key Features of Tessa Batch Pasteurizers

  • Capacities from 50 to 500 gallons

  • PMO-compliant construction (for Grade A milk production in the U.S.)

  • Dual-mode operation – supports pasteurization and fermentation in the same tank

  • Stainless steel design for durability and hygiene

  • Digital temperature control with precise settings

  • Built-in mixing agitator for even heating

  • Heating via electric elements or external hot-water boiler

  • CIP-compatible – easy cleaning with optional Clean-in-Place system

These batch-style milk pasteurizer machines are suitable for producing pasteurized milk, yogurt, cheese, and more — with consistent results every time.

​Why Use a Batch Pasteurizer?

A batch pasteurizer is the most practical type of milk pasteurizer machine for small to mid-sized dairy operations. It offers the flexibility and control needed for a wide range of dairy products without the complexity of continuous processing systems.

 

Batch pasteurizers are ideal for:

  • Small to mid-scale production volumes

  • Flexible product lines – milk, yogurt, cheese, and more

  • Lower startup and operating costs compared to HTST systems

  • Simplified cleaning and maintenance

  • Precise temperature control for fermentation and curd setting

 

Unlike HTST systems, a batch-style milk pasteurizer machine is easier to install, more affordable, and perfectly suited for creameries producing farm-fresh, premium, or artisanal dairy products.

Batch Pasteuriser

Looking for a high-capacity system? Check out our HTST Pasteurizer.

Frequently asked questions

bottom of page