What is interlock door?

  • 08, 10, 2021

What is interlock door? 

Interlock door is door equipped with interlock system, which can control the opening and closing of 2 doors or more. Interlock door is typically used in clean rooms, sterile rooms in laboratories, pharmaceutical clean rooms, isolation rooms, etc. 

Interlock door works on the principle that a door is open and the other door is forced to close. 

Cửa liên động interlock

Image: Interlock door - supplied by VCR - Vietnam Cleanroom Equipment 

The most important part of interlock door is interlock system. Let's find out some common types of interlocks.

2-door interlock

2-door interlock is used to control clean environment by preventing simultaneous access of 2 doors.

A double-door interlock includes 4 parts: 

+ Control box (alloy)

+ 2 LED light indicators

+ 2 electric locks (alloy) + lock sheets

+ Electric wire and cable

2-door interlock specifications: 

+ Power of control box: 220V

+ Power of LED light indicator : 5V

+ Power of electric lock: 12V

+ Length of electric wire: 4 meters/pcs

3-door interlock

3-door interlock is used to control clean environment by preventing simultaneous access of 3 doors. 

A three-door interlock includes: 

+ Control box (alloy)

+ 3 LED light indicators 

+ 3 electric locks (alloy) + lock sheets

+ Electric wire and cable

3-door interlock specifications: 

+ Power of control box: 220V

+ Power of LED light indicator : 5V

+ Power of electric lock: 12V

+ Length of electric wire: 4 meters/pcs

4-door interlock

4-door interlock is used to control clean environment by preventing simultaneous access of 4 doors. 

A four-door interlock includes: 

+ Control box (alloy)

+ 4 LED light indicators 

+ 4 electric locks (alloy) + lock sheets

+ Electric wire and cable

4-door interlock specifications: 

+ Power of control box: 220V

+ Power of LED light indicator : 5V

+ Power of electric lock: 12V

+ Length of electric wire: 4 meters/pcs

Read more: Different categories of cleanroom door interlock

Interlock door wiring diagram 

Interlock door is usually installed on 2 types of wall: partition wall and panel wall. Each type has a different installation method and location.

Cửa liên động interlock tường panel

Image: Interlock door installed on partition wall

Cửa liên động tường xâyImage: Interlock door installed on panel wall

Video about cleanroom interlock 

Clean room interlock supplier in Viet Nam 

Vietnam Cleanroom Equipment (VCR) is the top clean room interlock supplier in Viet Nam for cleanroom contractors.

We provide high-quality products with competitive prices and large quantities nationwide.

At Vietnam Cleanroom Equipment, our team knows how to help you find the right interlock for your needs. Get a quote for clean room intrelock price and know exactly what to expect – contact us today via hotline +84 90 123 7008 / +84 90 123 9008 (Whatsapp)

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