How to choose the right refrigerated door for industrial cold storage?

When building or upgrading an industrial cold storage, the choice of refrigerated door is often easily overlooked, but in fact it is one of the key factors that determine the efficiency, energy consumption and smooth daily operation of the cold storage. Different types of refrigerated doors vary in structure, performance and applicable scenarios. Only by making choices based on actual usage needs can the cold storage be stable, energy-saving and efficient.

Below, we will sort out several important factors that cannot be ignored when purchasing refrigerated doors for you based on actual applications.

Understand the basic needs of cold storage

Before purchasing a refrigerated door, first understand the situation of the cold storage itself:

Temperature range: Is the cold storage fresh (generally above 0℃) or frozen (usually below 0℃)? The lower the temperature, the higher the requirements for the sealing and insulation performance of the door.

Switching frequency: How many times a day will the door open and close? For areas that are frequently used, it is recommended to choose a door type with high durability and fast opening and closing.

Door opening size: The width and height of the door should be determined based on the equipment that passes through, such as whether there are forklifts or pallet trucks entering and exiting.

Choose the door type according to usage requirements

Several common refrigerated doors have their own applicable scenarios:

Swing door

Suitable for smaller cold storage or areas with low frequency of use

Commonly used in walk-in cold storage

Simple structure, easy installation, low maintenance cost

Sliding door

Suitable for large opening cold storage

The door body does not take up space, suitable for aisles or limited areas on both sides

Excellent insulation performance, suitable for fresh-keeping and frozen warehouses

Fast rolling door

Designed for areas with frequent entry and exit

Fast opening and closing speed, effectively reducing cold air loss

Mostly used in high-frequency operation places such as logistics warehousing and food processing

Rising door (vertical lifting door)

Can be opened and closed without occupying ground space

Mostly used in automated stereoscopic warehouses and logistics transit centers

Good sealing performance and good thermal insulation effect

Focus on thermal insulation performance and sealing

The core function of refrigerated doors is thermal insulation. Note when purchasing:

Door core filling material It is recommended to choose high-density polyurethane (PU) or polyisocyanurate (PIR) with good thermal insulation effect

The door body should be equipped with high-elastic sealing strips around it and equipped with a heating device to prevent ice or condensation

The closure between the door frame and the door leaf must be tight to reduce the leakage of cold air

The material should be strong and durable

The cold storage environment is special, and the door body material must stand the test:

Stainless steel door panels have good corrosion resistance and easy cleaning properties, suitable for food storage

Galvanized steel plates with plastic coating are also economical and practical choices

Door hardware such as hinges, slides, handles, etc. must also be resistant to low temperatures and wear

Safety and regulations cannot be ignored

Industrial cold storage has high safety requirements:

The door body should be equipped with inward escape devices to ensure personnel safety

Try to choose door types with windows or alarm functions for easy observation and emergency handling

The selected door should comply with food safety, storage standards and other relevant regulations

Is automation required?

Automated refrigerated doors are becoming more and more popular, especially for large-scale warehousing:

Configurable induction switches, remote controls, card swiping systems, etc. to improve traffic efficiency

Linked with the temperature control system to reduce cooling loss

It can also record the number of door openings and closings and the operating status for later management

Later maintenance and service guarantee

No matter how good the door is, it needs maintenance, and it is also critical to choose guaranteed products and services:

Parts should be easy to replace and the structure should be reasonably designed

The manufacturer can provide stable after-sales service and technical support

In the long run, high-quality products are more energy-saving, have a lower failure rate, and lower operating costs

A suitable refrigerated door not only affects the operating cost of the cold storage, but also affects the product quality and work efficiency. When purchasing, you may wish to consider the actual usage scenario and comprehensively consider the insulation, durability, and ease of operation. Cooperating with professional cold storage door manufacturers can often provide more targeted solutions to help your cold storage system run better and more worry-free.

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