252XF005M-00
Applicable for passage way of fireprotection area class A division and other place,steel and stainless steel can be used as material.

type	clear size BxH	opening size of bulkhead B1xH1	external size B2xH2
A60级	600x1600	705x1705	750x1750
	650x1650	755x1755	800x1800
	700x1700	805x1805	850x1850
	800x1800	905x1905	950x1950
	850x1850	955x1955	1000x2000

Identification example:
A60 fireproof gastight door,left opening,with clear size of 600x1600mm:A60 fireproof gastight door 600x1600L 252XF005M-00