Home > Products > New product > No Pressure Ventilation Door
No Pressure Ventilation Door
- 1000 Set / Sets per Month
- T/T L/C D/P D/A
- 7 days
You May Like
Product Details
Brand Name | Dongda | Place of Origin | China | |
Product Description
No Pressure Ventilation Door Introduction :
No Pressure Ventilation Door (Balanced pressure ventilation door) is mainly used for underground outlet inlet lane and the main outlet inlet air lane between each contact, which is the substitute for all air door.
The damper is an ideal air door of our country coal mine at present, it breaks the old traditional damper structure for a long time.It cleverly put on the pressure acting on the throttle through the equilibrium structure to convert it into a force, fully demonstrated the unique air structure.
Non pressure air door is simple to use, safe and reliable, highly evaluated by experts and users, is currently used in the airway of an alternative.
No Pressure Ventilation Door Main Structure:
Non pressure air door is composed of a door frame,door leaf, connecting rod balancing mechanism and a weight interlocking mechanical etc.
No Pressure Ventilation Door Main Feature :
1. The ventilation door opening force is small, and the size of the opening force of the wind pressure has nothing to do with wind
2. Two-way isolation, wind leakage air volume is small, no need to reverse damper
3. Steel structure, simple structure, strong and durable
4. Close the steady, safe and reliable
5. Good fireproof performance, can effectively prevent the possibility of fire belt transport lane, prevent fire and other harmful gases into the roadway
6. Pressure balance type damper is good sound operation, also can power operation, such as add a set of control system, can realize the air door automatically open
7. Between two air door which can realize mutual atresia.
Working principle:
The two air doors were opened in two directions.To realize linkage through the connecting rod and the support arm.Change the length of the connecting rod can adjust the air tightness.
Contact Us
- Jining Dongda Group Mining Machinery Co.,Ltd
- Contact nameEmily Zheng Chat Now
- Phone86-537-2902388
- Address, Zhoushan, Zhejiang
Product Categories
New Products
-
KQP Serious air cannon block clearer
-
Air cannon block clearer
-
Mining shotcrete spray machines
-
Wet gunite concrete machine
-
Wet Concrete jet machine
-
Mining Individual hydraulic prop from China
-
China Mining Individual hydraulic prop
-
DN Injection Single Hydraulic Prop
-
Suspension single supporting hydraulic prop
-
Grouting anchor bolt
-
Hot sale 7655 Rock Drill
-
GLD Series Belt type Feeder
Popular Searches
- garden machine
- marine equipment
- construction equipment
- instructional package
- kawasaki
- mini excavator
- excavator parts
- hydraulic excavator
- direct-drive
- hydraulic breaker
- hydraulic hammer
- hydraulic rock breaker
- excavator attachment
- rock breaker
- Transmission Part
- orange peel
- bucket teeth
- undercarriage parts
- track roller
- excavator bucket
- shield cutter
- roller cutter
- Excavator Part
- Excavator Spare Part
- Excavator Machine
- quick coupler
- free shipping
- marine machine
- photo
- Construction Shovels
Recommended Products
- YZH’S strength static boom system
- Excavator PC400-7 swing circle assy 208-25-61100
- PC60-7 TRAVEL MOTOR 201-60-73601
- sell PC1250-7 SWING MACHINERY 21N-26-00070 X21-0860310
- YZH’S strength fixed boom system
- Heavy-Duty Mobile Hammer Crusher: Portable Rock Crushing Solution
- Heavy-Duty Mobile Crusher: Portable Rock Crushing Solution
- High-Power Mobile Diesel Hammer Stone Crusher for Mining Sites
- A gravel crusher used for crushing and screening various types of materials
- YZH’S high strength fixed rockboom
- Pneumatic track drilling machine XQZ-32Track drilling machine
- Pneumatic anchor drilling rig Anchor cable drilling rig
Find Similar Products By Category
- Manufacturing & Processing Machinery > Engineering & Construction Machinery > Excavator
- Please Enter your Email Address
- Please enter the content for your inquiry.
We will find the most reliable suppliers for you according to your description.
Send Now-
Emily Zheng
Welcome to my shop, I'm glad to serve you. Please feel free to send me any questions you may have.
Your message has exceeded the limit.
- Contact supplier for lowest price
- Customized Request
- Request Sample
- Request Free Catalogs
Your message has exceeded the limit.
-
Purchase Quantity
-
*Sourcing Details
Your inquiry content must be between 10 to 5000 characters.
-
*Email
Please enter Your valid email address.
-
Mobile