Class A-60 Watertight Primary-Secondary Combined Fire Door
- Application
Used in marine engineering vessels,oil tankers,chemical vessels and offshore platforms.
It is also suitable for the personnel frequented spaces on land with demands of fire-resistant,dust-proof(such as special warehouse,clean shop or plant etc)
- Characteristics
The structure of the primary-secondary combined fire door adopts the type that a small door is installed on the big door.The big door applied a normal fixed hinged operation,whose watertightness is achieved through a number of locking toggles.The small door adopts a single handle quick opening & closing structure.Both of big and small doors are of fireproof and watertight type.
- Advantages
Multi-functions:The big door can be used for large-scale equipment to pass through.Small door can be used for personnel access by single handle quick action structure.Both of the doors are fireproof and watertight with Class A60 fireproof grade.
- Specification
| No. | Clear opening size mm WxHxR100 |
Leaf size mm W1xH1xR181 |
Clear opening size mm Wxhxr100 |
Clear opening size mm W1xh1xr181 |
Opening size of wall mm W2xH2xR150 |
Frame thickness T |
| 1 | 1250×1900 | 1312×2062 | 500×1500 | 562×1562 | 1350×2000 | 6 |
| 2 | 1300×1950 | 1362×2012 | 550×1550 | 612×1612 | 1400×2050 | 6 |
| 3 | 1350×2000 | 1412×2062 | 600×1600 | 662×1662 | 1450×2100 | 6 |
| 4 | 1450×2100 | 1512×2162 | 700×1700 | 762×1762 | 1550×2200 | 6 |
| 5 | 1550×2200 | 1612×2262 | 800×1800 | 862×1862 | 1650×2300 | 6 |
| 6 | 1650×2300 | 1712×2362 | 900×1900 | 962×1962 | 1750×2400 | 6 |