US$ 200 - 200 MOQ: 1 Set
Key Specifications
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Brand Name:
Dongda
Place of Origin:
China
Model Number:
MMB 1.4*1.8
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
7 days
Brand Name Dongda
Place of Origin China
Model Number MMB 1.4*1.8

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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Business Type
Trading Company
Total Employees
101 - 200 People
Main Markets
North America, South America, Eastern Europe
Location
Zhoushan, Zhejiang, China