Widely used Balanced pressure ventilation door) manufacturer from China Jining Dongda Group Mining Machinery Co,.Ltd

Widely used Balanced pressure ventilation door)

Price:	100.0~200.0 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

mainly used for underground outlet inlet lane and the main outlet inlet air lane between each contact

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.