Large Industrial Ovens for Oversized Parts & Heavy Loads

Name: Large Industrial Ovens | Oversized Walk-In & Truck-In | ZonHoo
Brand: ZonHoo

ZonHoo large industrial ovens are built for jobs that simply don’t fit in a standard oven. When your parts are long, wide, tall or extremely heavy, you need a large industrial oven that’s designed around real floor space, loading equipment and cycle time – not just a “stretched” box.

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What Is a ZonHoo Large Industrial Oven?

A ZonHoo large industrial oven is a purpose-built thermal processing system for oversized or heavy parts in a controlled workspace. Instead of modifying a small oven, we start with your real part envelope and design a large oven around clear loading, temperature and throughput targets：

Defined temperature range – typically 50–650 °C depending on the model and process.
Airflow engineered for big loads – horizontal, vertical or combination flow to keep temperature even from corner to corner.
Documented uniformity – large-volume mapping at full load, not just a few points near the sensor; see how we handle this on our Commitment-To-Safety page.
Structural strength – reinforced frames, doors and floors sized for heavy carts, fixtures and cranes, similar to our heavy-duty Truck-In Oven and Industrial Batch Oven lines.
Safety and uptime – protections, interlocks and service-friendly layouts built in for everyday production use, with long-term support from Maintenance and Parts and Oven Control services.

We design and build large industrial ovens in-house for manufacturers who need stable, repeatable heat processes on big or awkward loads. From powder coating and drying to preheating and heat treatment, our oversized industrial ovens work hand-in-hand with the processes you see on our Coating & Surface Finishing and Heat Treatment & Conditioning application pages. If you’re still at the early stage, our Oven System Planning team can help map out the right large industrial oven and layout before you lock in your investment.

Available Large Industrial Oven Models

Large Powder Coating Oven

Large powder coating ovens are for long, tall or wide coated parts that need a clean, even cure in one shot. We size the usable workspace around your racks, trolleys or hanging frames, then tune airflow so the whole part hits the same cure window – not just the area near the probe. This is the go-to large industrial oven for many customers listed under our Coating Industry and Surface Treatment industry pages.

160–250°C for powder curing
Ideal for oversized frames and panels
Even cure with custom airflow

Large Convection Oven

Our large convection ovens are general-purpose large industrial ovens for heating, drying and curing oversized loads. They’re a good fit when you run several product families but want one large batch oven as the backbone of the line, especially in Metalworking and Composites industries where product mix changes frequently.

Flexible for heating and drying
Horizontal/vertical airflow for uniformity
Great for metalworking & composites

Large Truck-In Oven

When parts and fixtures are too heavy to carry, a large truck-in oven keeps operators safe and changeovers fast. Loads are staged on wheeled trucks outside the large industrial oven and rolled in as a unit. This layout is very similar to the dedicated Truck-In Oven product range but scaled up for oversized work.

Reinforced floors for heavy loads
Multi-tier layout for consistent heat
Ideal for automotive & large frames

Pass-Through Large Oven

Pass-through large ovens are designed for straight-line or U-shaped layouts where parts enter on one side and exit on the other. They work well when you want your large industrial oven to sit in the middle of a coating or assembly line instead of off to the side, often together with our Industrial Conveyor Oven solutions.

Dual entry/exit for efficient flow
Compatible with conveyor systems
Ideal for high-throughput lines

Heavy-Duty Large Oven

Heavy-duty large ovens are built for tough environments and very high live loads. We use thicker steel, reinforced supports and long-life components so they can run day after day in foundries, metal shops and heat treatment plants.

Built for heavy fixtures & tooling
Robust construction for continuous use
Perfect for foundries & metal heat treatment

Wide / Deep Large Oven

Sometimes the challenge is footprint, not height. Wide / deep large ovens are configured with extra-wide doors and deeper chambers so you can load large jigs, skids or slabs without fighting clearances. Many of our Natural Stone and Environmental Materials customers rely on this layout.

Extra door width and depth
Ideal for large panels, slabs
Custom handling solutions

Compare Key Specifications

Model	Ideal Application	Key Feature	Custom Options	Energy Efficiency
Large Powder Coating Oven	Ideal for large metal frames, gates, and doors	Consistent edge-to-edge cure	Custom airflow, high-capacity racks	Optimized for minimal heat loss
Large Convection Oven	Automotive parts, metal fabrication	Quick heat-up, uniform temperature	Multiple airflow directions	Energy-saving variable fans
Large Truck-In Oven	Heavy-duty parts, welded structures	High load capacity, low maintenance	Heavy-duty floor, easy truck access	Lower operational costs
Pass-Through Large Oven	High-volume production lines, coating	High-throughput design	Dual entry/exit doors, fast cycle times	Optimized for continuous use
Heavy-Duty Large Oven	Foundry, metal heat treatment	Reinforced structure, long-lasting	Heavy-duty frames, robust components	Maximum energy efficiency
Wide / Deep Large Oven	Large slabs, stone panels, composite tools	Extra-wide doors, deep chambers	Custom loading options, modular design	Fast heat distribution

All dimensions, power ratings and loading capacities shown are typical reference data. ZonHoo industrial ovens are highly customized systems – final usable workspace, external dimensions and connected load will be defined in your project-specific proposal.

Suitable Applications

ZonHoo industrial ovens are used for applications such as:

Coating & Surface Finishing

Powder curing on large frames, doors and panels
Wet paint curing on big fabrications and machine bases
Baking large guards, enclosures and railings

Heat Treatment & Conditioning

Preheating of large molds, dies and tools
Stress relieving and tempering of welded assemblies
Controlled heating of bars, beams and long shafts

Drying & Preheating / Materials & Fluids Handling

Drying of washed or degreased heavy components
Preheating large parts before forming, bonding or assembly
Warming drums, IBCs and containers inside a large batch oven, similar to our Drum Heating Ovens solutions

Industries Served

Because of their size and loading flexibility, ZonHoo large industrial ovens are used by many heavy and size-critical industries. Most of them are covered in more detail on our Industries pages.

Automotive & commercial vehicle manufacturing
Construction Machinery & agricultural equipment
Metalworking and fabricated structures
Composites and advanced materials producers
Surface Treatment and powder coating shops
Foundry and Metal Heat Treatment plants
Natural Stone and building materials manufacturers
Environmental equipment and Chemical filtration systems

For a full list of sectors: see all industries we serve →

Options & Customization

Tell us your target batch size, preferred loading method and local standards – we’ll design a large industrial oven package your purchasing team can compare easily with other equipment on your shortlist.

Chamber dimensions sized to your maximum part envelope
One or multiple doors, including vertical lift or sliding doors for large openings
Floor loading, rail loading, truck-in or pass-through layouts
Electric, indirect gas or other heat packages matched to energy strategy
Exhaust, fresh-air and cooling options for long cycle times
Data logging, batch reports and remote access for production and quality teams, tying into our Oven Control support
Safety features – gas monitoring, over-temperature protection, door interlocks, as outlined in Commitment-To-Safety
Regional standards – CE / ISO and other codes on request

Engineering Specs & Compliance

ZonHoo’s engineering team designs every large industrial oven as if it will run in a real production plant – not a test lab. For more background, you can also refer to our Engineering Specs & Compliance resources and Media Library on the support side.

Temperature uniformity typically ±3–5 °C over the usable workspace, depending on model and load.
Structural design checked for floor loading, cart weight and crane loads where required.
Control systems with ramp / soak, recipe storage and alarms for long cycles on large loads.
Optional multi-point temperature mapping and documentation to support audits and customer approvals.
Electrical and gas packages built to your regional codes and plant standards, coordinated through our Install & Engineering service.

FAQ

When should I move from a standard oven to a large industrial oven?

If your parts no longer fit comfortably, if you are splitting one job into many small batches, or if fixtures are too heavy to handle safely, it’s usually time to look at a large industrial oven. In many cases one correctly sized large oven can replace several small units and simplify scheduling, especially when combined with the workflows shown on our Drying & Preheating and Coating & Surface Finishing pages.

How do I size a large industrial oven for my plant?

Start with three basics: maximum part size (including fixtures), total load weight and target throughput per shift. Share this with our engineers along with a simple layout drawing. We’ll come back with one or two large oven concepts that fit your floor space and utilities so your purchasing team has clear options to compare. If you need more background, our site-wide Frequently Asked Questions page also walks through typical sizing questions.

How do you keep temperature uniform in such a large oven?

We design airflow – ducts, nozzles and recirculation fans – for the way your load is actually arranged, not an empty chamber. During start-up we can run mapping tests on your large industrial oven and fine-tune fan speed and dampers until the results match your process window, in line with our Commitment-To-Safety standards.

What loading methods are available for large ovens?

Depending on your equipment, we can design for fork-lift or pallet-truck loading, wheeled trucks on rails, crane loading, or fully integrated pass-through conveyor systems. For highly automated lines, your large industrial oven can be combined with our Continuous Ovens and conveyor solutions described in the Industrial Conveyor Oven section.

Are ZonHoo large industrial ovens built by a trading company or a manufacturer?

ZonHoo is a vertically integrated manufacturer. We design, fabricate and assemble our large industrial ovens in-house, then test them before shipment. That means you work directly with the engineering team that built your equipment, with long-term backup from Maintenance and Parts and Install & Engineering, not a middleman.

Need help? See Maintenance & Parts or Commitment-To-Safety.

Contact our sales and engineering professionals to clarify your requirements, get your questions answered, and learn about our oven solutions! Just send us a message or give us a call at your convenience