2022-03-14What are the differences between hot plating and cold plating of marine door steel parts
Hot dip galvanizing is the reaction between molten metal and iron matrix to produce alloy layer, so ……[More]
2022-03-14Some points needing attention in the installation of marine fire doors
The new type of marine fire door has the characteristics of light weight, firmness, turbulence resis……[More]
2022-03-14Usage and precautions of marine door
When the door is opened, the door body drives the connecting rod to act, rotates the transmission ge……[More]
2022-03-14What are the advantages of aluminum alloy fire-resistant windows?
It is made of high-quality non insulating fireproof glass. It has no bubbles and air permeability un……[More]
2022-03-14How to distinguish the true and false of explosion-proof door and the function of explosion-proof door
Explosion proof door is a kind of anti explosion protection equipment to resist the accidental explo……[More]
2022-03-14On the grade and application scope of fire door
What are the standard grades of fire doors? The smoke proof door has the effect of fire prevention. ……[More]
2022-03-14What is the difference between normally closed and normally open fire doors
According to the requirements of the fire door manufacturer to obtain the fire door test report, the……[More]
2022-03-14Why use plastic spraying technology on the surface of explosion-proof doors and windows?
When the explosion-proof window explodes, the blasting incident pressure and reflection force are se……[More]
