Technical Guides & Articles
Practical guidance for equipment selection, workflow, capacity, hygiene, utilities, FAT and project planning.

Technical Guides & Knowledge Base
Technical content is organized into topic hubs—each focused on a specific decision stage, from capacity planning to FAT compliance. Choose a topic to explore the related guides.
Central Kitchen Planning
Meal demand, menu analysis, zone layout and equipment list—guides for teams planning a new central kitchen.
Explore topic →Topic HubEquipment Selection
How to match equipment models to your actual duty cycle, menu type and utility conditions.
Explore topic →Topic HubCapacity & Sizing
Calculate the right capacity—GN pan formats, dishwasher racks/hour, holding cabinet volume and refrigeration litres.
Explore topic →Topic HubWorkflow Design
Layout principles to prevent cross-contamination between raw, cooked, clean, dirty and waste flows.
Explore topic →Topic HubUtilities & Ventilation
Electrical, gas, water, drainage and exhaust—engineering interfaces that decide equipment performance.
Explore topic →Topic HubHygiene & HACCP
Hygiene zoning, clean/dirty separation and sterilization specification for audit-ready kitchens.
Explore topic →Topic HubMaterials & Fabrication
Stainless steel grade, sheet thickness, welding finish and custom fabrication specifications.
Explore topic →Topic HubFAT & Compliance
Factory Acceptance Testing, documentation packages and target-market certification requirements.
Explore topic →Essential Reading for Kitchen Project Teams
Technical articles published by HSYL engineers to help buyers clarify equipment specifications before ordering.
Cleaning Verification for Commercial Kitchen Equipment: From Visual Inspection to Evidence
Build a risk-based cleaning verification programme using defined soils, visual checks, method-appropriate tests, records, failure action and periodic validation...
Read guide → Utilities & VentilationCommercial Kitchen Equipment Utility Schedule: Coordinate Every Connection
Build a commercial kitchen equipment utility schedule that separates supplier data, design demand, connection details, responsibilities and revision status befo...
Read guide → Capacity & SizingBlast Chiller Sizing: Calculate the Concurrent Food Load
Size a commercial blast chiller from overlapping hot-food batches, pan geometry, loading time and the required cooling profile, then verify the selected model w...
Read guide → Capacity & SizingCommercial Refrigerator Sizing: Use Inventory and Access, Not Volume Alone
Size commercial reach-in and worktop refrigeration from peak chilled inventory, container fit, door openings, replenishment, ambient duty and recovery verificat...
Read guide → Equipment SelectionCommercial Combi Oven Selection: Match the Real Production Duty
Select a commercial combi oven from menu batches, pan occupation, simultaneous work, utilities, cleaning turnaround and a witnessed production trial—not pan cou...
Read guide → Capacity & SizingCanteen Serving Line Capacity: Design for the Service Wave
Plan canteen serving-line capacity from arrival waves, station cycle times, parallel service positions, replenishment and tray return, then verify the design wi...
Read guide → Equipment SelectionCommercial Heated Holding Cabinet Selection Guide
Select a heated holding cabinet by real food load, pan and rack fit, recovery, uniformity, humidity, door use, mobility and witnessed validation.
Read guide → Capacity & SizingGN Pan Size Guide: Specify the Complete EN 631 Interface
Use the EN 631 Gastronorm system to coordinate pan footprint, depth, flange, lid, rack, appliance, holding, transport and cleaning compatibility.
Read guide → Utilities & VentilationCommercial Kitchen Ventilation Design Basics
Coordinate kitchen exhaust from heat source and pollutant through hood capture, make-up air, pressure balance, fire protection and measured commissioning.
Read guide →Have a Specific Technical Question?
Send your project requirement, menu or utility conditions. Our engineering team will review the parameters and suggest the matching equipment logic.