Differences Between Pressure Fryers and Open Fryers
Choose the right professional fryer system for your product, service speed, capacity and operating needs.

What is the fundamental difference?
A pressure fryer utilizes controlled pressure generated inside a closed and secure cooking chamber. In an open fryer, the product is fried in an oil tank without a pressure-sealed lid. This difference not only affects cooking time but also impacts the product’s internal moisture, outer surface, applicable recipes, and operational workflow.
Pressure systems are preferred for products like bone-in or breaded chicken where maintaining juiciness is important. Open fryers can be more flexible in operations where potatoes, onion rings, nuggets, tempura, and various menu items are cooked at the same station.
When should you choose a pressure fryer?
- If your main product is bone-in or breaded chicken and you follow a standard recipe.
- If consistent results per batch and cycle time during peak hours are critical.
- If you want to control cooking temperature, time, and lid safety within a regulated process.
- If you are setting up a complete fried chicken line with breading, marination, and hot-holding equipment.
When should you choose an open fryer?
- If you fry different product groups like potatoes and snacks quickly.
- If basket and tank flexibility, menu variety, or dual-tank operation are important.
- If you want easy access and quick product changes in recipes that do not require pressure cooking.
- If you are comparing gas, electric, mechanical, or digital control options based on your business infrastructure.
Don’t decide based on liter value alone
Oil volume and the amount of product cooked per cycle are not the same. Basket design, product weight, recipe cooking temperature, heat recovery time, filtration, and back-to-back performance during peak times should all be evaluated together.
Before requesting a quote, identifying the product type, target portion count, peak hour order volume, existing electrical or gas infrastructure, and available layout dimensions will speed up the correct model selection.
How to match Ottoman pressure and open fryer options?
Ottoman OTX-PRESSURE electric and OTX-PRESSUREG gas Pressure Fryer models are developed for controlled pressure cooking that maintains internal moisture in bone-in and breaded chicken. Ottoman OTX-7DEFF and OTX-9DEFF electric; and OTX-7DGFF and OTX-9DGFF gas Digital Fast Food Fryers manage potatoes, nuggets, onion rings, and various recipes in an open tank.
In a fried chicken-focused operation, the pressure fryer handles the main production while the open fryer manages side products. If only potatoes and snacks are on the menu, investing in a pressure fryer may not be necessary. Ottoman’s project team calculates product weight, cycle time, peak hour portions, and energy infrastructure together to determine the appropriate equipment family and number of tanks.
- Bone-in or breaded chicken: Ottoman Pressure Fryers.
- Potatoes and extensive side menu: Ottoman Digital Fast Food Fryers.
- Operations selling both chicken and sides: dual-system line for separate oil and recipe management.
The Ottoman difference
Why choose Ottoman Mutfak?
Ottoman combines equipment selection, capacity planning and after-sales support in one professional-kitchen project.
- Equipment options matched to your menu and peak-hour capacity
- A complete line from preparation and cooking to hot holding and service
- Technical planning focused on reliable operation, energy use and long service life

