Portholes according to GOST 19261-82
|
Execution |
Dia. around the world |
Material |
Legend by GOST 19261-82 |
Type |
Mounting Method |
|
|
one |
2 |
3 |
4 |
5 |
6 |
7 |
|
Onboard deaf |
With storm cover |
200 |
Steel |
A200-NW-202-V1 |
Heavy |
By welding |
|
250 |
A250-NW-202-V1 |
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|
200 |
B200-NW-202-V1 |
Normal |
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|
250 |
B250-NW-202-V1 |
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|
Universal |
Without railing |
200 |
200-UPB-200-V1 |
Bolt |
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|
With guardrail |
250 |
250-UOB-200V1 |
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|
200 |
200-UOB-200-3 |
By welding |
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|
Side flaps |
With storm cover |
200 250 |
B200-SW-222-V1 |
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|
B250-SW-222-V1 |
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|
|
Lightweight |
Bolt |
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Guards according to GOST 19261-82
|
Casement safety |
200 |
Aluminium alloy |
Shield I 200 HP |
|
Bolt |
|
400 |
Shield I 400 HP |
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|
Safety for universal portholes |
200 |
Steel |
Shield II 200 |
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|
200 |
Alum. alloy |
Shield II 200 HP |
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|
300 |
Steel |
Shield II 300 |
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|
300 |
Alum. alloy |
Shield II 300 HP |
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|
Dimmers for universal portholes |
200 |
Aluminium alloy |
Shield III 200Drugs |
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|
250 |
Shield III 250 HP |
- B - normal (type), airborne, 250 - nominal porthole size; execution N - deaf, with a storm cover; NW - method of fastening by welding;
- 202 - symbol designation material class: 2 - steel (case material); 0 - the part is missing (frame material); 2 - cover material (steel) (300 - aluminum alloys)
- V1- glass requirements -V polished; 1 - transparent (3 - reinforced) stopper provides an opening angle of the storm cover - 105; 95 or 80 degrees.
- Shield III 200 HP GOST 19261-82:
- type I for casement normal portholes;
- II - for universal portholes;
- III - dimming for universal portholes).