type | name | Nominal size L*B | Hinge position |
A | Single side opening weather tight | 450*630 830*830 530*530 830*1230 630*630 1030*1030 630*830 1330*1330 | A four sides equivalent AL long sides equivalent AS short sides equivalent |
B | Double sides opening weather tight | 450*630 830*830 530*530 830*1230 630*630 630*830 | B four sides equivalent BL long sides equivalent BS short sides equivalent |
C | Quick acting weather tight | 530*530 φ530 630*630 φ630 | -- |
D | Flush ,weather tight | 530*530 630*830 630*630 830*830 | D four sides equivalent DL long sides equivalent DS short sides equivalent |
E | Single opening, non weather tight | 450*630 630*830 530*530 830*830 630*630 | E four sides equivalent EL long sides equivalent ES short sides equivalent |
F | Both sides opening, non weather tight | 450*630 630*830 530*530 830*830 630*630 | F four sides equivalent FL long sides equivalent FS short sides equivalent |