MARINE ORDINARY RECTANGULAR WINDOW
10. Bolted Rectangular Window
[Four technical diagrams of bolted rectangular windows:
- ILB (Inner – Left – Bolted) type: Front – view and side – view showing the inner – opening, left – bolted structure with dimensions labeled such as W, H, W3, W30×H3, W1×H1, W2×H2.
- IRB (Inner – Right – Bolted) type: Similar to ILB but with right – bolted structure, with same dimension labels.
- OLB (Outer – Left – Bolted) type: Front – view and side – view for outer – opening, left – bolted window, with dimension labels.
- ORB (Outer – Right – Bolted) type: Similar to OLB but with right – bolted structure, and also includes a diagram for NOB (Non – opening Bolted) type showing a fixed window structure with dimensions.]
Table of Specifications
| Series | Type | Code | Nominal Size W×H (mm) | Size of Flange Opening W1×H1 | Window Seat Size W2×H2 | Opening Direction |
|---|---|---|---|---|---|---|
| N (General – series bolted rectangular window) | E | 1 | 300×425 | 352×477 | 312×437 | ILB |
| 2 | 355×500 | 407×552 | 367×512 | |||
| 3 | 400×560 | 452×612 | 412×572 | ITB (Top – hung Bolted) | ||
| 4 | 450×630 | 502×682 | 462×642 | |||
| 5 | 500×710 | 552×762 | 512×722 | |||
| 6 | 560×800 | 612×852 | 572×812 | OLB | ||
| 7 | 630×900 | 682×952 | 642×912 | |||
| 8 | 710×1000 | 762×1052 | 722×1012 | ORB | ||
| 9 | 800×1100 | 852×1152 | 812×1112 | NOB | ||
| P (Fire – resistant series bolted rectangular window) | F | 5 | 500×710 | 552×762 | 512×722 | ITB |
| H |
Marking Instructions:
- General – series bolted rectangular window (N):
- Generally, series (N), heavy – type (E), with nominal size 450×630 (code 4), convex shoulder height 16mm, left – bolted inner – opening type ILB, material combination 111, toughened glass (Y1). Rectangular window N – E4×16 – ILB – 111 – Y1 GB/T 5746 – 2001.
- Fire – resistant series bolted rectangular window (P):
- Light – type (F), nominal size 500×710 (code 5), convex shoulder height 16mm, upper – bolted inner – opening type ITB, material combination 111, fire – resistant glass B – 1.5. Rectangular window P – F5×16 – ITB – 111 – B1.5 GB/T 5746 – 2001.
Attention please: The description might be incorrect, please contact us for confirmation.
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