STEEL STRUCTURE PROTECTIVE EQUIPMENT

Single & Double-Leaf Steel Airtight Door with Movable Threshold

Features

No threshold in peacetime, with flat ground for easy passage of personnel and vehicles. The movable threshold can be quickly fitted in wartime to meet airtightness standards, enabling fast peacetime-wartime function conversion.

Scope of Application

For entrances and exits of civil air defense projects with dual peacetime and wartime functions, including underground malls, hospitals and underground garages. Installed behind protective airtight doors.

Key Design Considerations

Construction and Installation Requirements

Product Specifications

No.Model / SpecificationDoor Opening Width (mm)Door Opening Height (mm)Leaf Width (mm)Leaf Height (mm)Leaf Thickness (mm)Remarks
1GHM07167001600900167556
2GHM08208002000960205554
3GHM092090020001060205554
4GHM0921900210011002175112
5GHM1020100020001160205554
6GHM10211000210012002175112
7GHM10271000270012002775112
8GHM1218120018001400187556
9GHM12201200200013602075112
10GHM12211200210014002175112
11GHM12241200240014002475112
12GHM12271200270014002775112
13GHM1320130020001460205564
14GHM15201500200016602075112
15GHM15231500230017002375112
16GHM15251500250016602575112
17GHM15271500270017002775112
18GHM18201800200020002075112
19GHM18211800210020002175112
20GHM18271800270020002775112
21GHM20202000200022002075112
22GHM20282000280022002875112
23GHSM20202000200022402100112
24GHSM20212000210022402200112
25GHSM24002400240026402500152
26GHSM25222500220027402300112
27GHSM25252500250027402600152
28GHSM25272500270027402800152
29GHSM25282500280027402900152
30GHSM30223000220032402300152
31GHSM30253000250032402900152
32GHSM30283000280032402900152
33GHSM30303000300032403100152
34GHSM33403300400035404100152
35GHSM34273400270036402800152
36GHSM34343400340036403500152
37GHSM35223500220037402300152
38GHSM35253500250037402600152
39GHSM35383500380037403900172
40GHSM36253600250038402600152
41GHSM36273600270038402800152
42GHSM38243800240040402500152
43GHSM40214000210042402200152
44GHSM40224000220042402300152
45GHSM40254000250042402600152
46GHSM40274000270042402800152
47GHSM40284000280042402800152
48GHSM40304000300042403100152
49GHSM40354000350042403600152
50GHSM40404000400042404100152
51GHSM45224500220047402300152
52GHSM45254500250047402600152
53GHSM45284500280047402900152
54GHSM45304500300047403100152
55GHSM45454500450047404600176
56GHSM48304800300050403100152
57GHSM50215000210052402200152
58GHSM50225000220052402300152
59GHSM50255000250052402600152
60GHSM50305000300052403100152
61GHSM50355000350052403600152
62GHSM50395000390052404000172
63GHSM50425000420052404300216
64GHSM50455000450052404600216
65GHSM55305500300057403100152
66GHSM56255600250058402600152
67GHSM60256000250062402600152
68GHSM60276000270062402800152
69GHSM60286000280062402900152
70GHSM60306000300062403100152
71GHSM65306500300067403100152
72GHSM70227000220072402300152
73GHSM70257000250072402600152
74GHSM70267000260072402700152
75GHSM70287000280072402900152
76GHSM70307000300072403100152
77GHSM70437000430072404400172
78GHSM80258000250082402600172