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Jining Dongda Mining Electromechanical Co.,Ltd  

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Cheap Price Mine Airtight Door 

Price: 200.0 USD 
Payment Terms: T/T,WU 
Place of Origin: Shandong, China (Mainland) 
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Product Detail

Means of Transport: Ocean,Land,Air
Packing: wooden case
Application: Coal
Brand Name: Dongkuangan
Production Capacity: 1000 set one month
Delivery Date: 7 days after the received t...
Type: Others

Airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations.

Mine Airtight Door Main Structure 

1. Airtight door is made up of the flat steel plate,stiffened plates,ring beam and other combinations.
2. Door frame adopts channel steel, I-beam composite frame 
3. Wedge-shaped wedge slide 
4. Support by hinges with rolling bearing   

Mine Airtight Door Model Meaning 

Model  MMB 1.4*1.8 ,  MMB  means airtight door,
1.4 means net width  through the cave  

(Or refers to the net width of door without frame) is 1400mm.
1.8 means net height through the cave 

 (Or refers to the net height of door without frame) is 1800mm.

Mine Airtight Door Parameters 

Water-proof air-tight Model          
MB1.4*1.8                                
MB1.6*1.8                                
MB1.8*2.0                                
MB2.1*2.0                               

Because of the production batch, the specific model are different, the above pictures are only for reference , you can contact our sales staff for further details on the specific verification.


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 Ms. joanna

Tel: 86-531-2902382
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Company Info

Jining Dongda Mining Electromechanical Co.,Ltd [China (Mainland)]


Business Type:Manufacturer
City: Jinan
Province/State: Shandong
Country/Region: China (Mainland)

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