Steel Hatch Cover

  • Application

Used for small size hatch cover of various ships.
Meets the Standards of CB/T 3728-1995 & ISO 5778-1994.

  • Type
Type Name Structure Normal size
LxB		 Hinge position
A Single side opening,
weathertight		 butterfly clip 450×630,530×530,
630×630,630×830,
830×830,830×1230,
1030×1030,1330×1330		 A: four sides equivalent
AL: long sides equivalent
AS: short sides equivalent
B Double sides opening,
weathertight		 wedge shaped clip 450×630,530×530,
630×630,630×830,
830×830,830×1230		 B: four sides equivalent
BL: long sides equivalent
BS: short sides equivalent
C Quick action,
weathertight		 centre ture clip 530×530,630×630,
Ф530,Ф630		 ~
D Flush,weathertight wedge shaped clip 530×530,630×630,
630×830,830×830		 D: four sides equivalent
DL: long sides equivalent
DS: short sides equivalent
E Single opening,
non weathertight		 butterfly clip 450×630,530×530,
630×630,630×830,
830×830		 E: four sides equivalent
EL: long sides equivalent
ES: short sides equivalent
F Both sides opening,
non weathertight		 butterfly clip 450×630,530×530,
630×630,630×830,
830×830		 F: four sides equivalent
FL: long sides equivalent
FS: short sides equivalent

steel hatch cover

  • Specification for type A,AL,AS hatch cover
Nominal size mm
LxB		 Clear size
mm
L1xB1xR100		 Cover size mm
L2xB2		 Cover thickness
mm
t		 Hatch thickness mm
t0 		Hatch height mm
H		 Butterfly clip
diaxq’ty		 Weight
kg
450×630 420×600 508×688
512×692
516×696		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 M16x4 24.4
31.1
37.7
530×530 500×500 588×588
592×592
596×596		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 M16x4 24.2
30.8
37.4
630×630 600×600 688×688
692×692
696×696		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 M20x4 31
39.8
48.5
630×830 600×800 688×888
692×892
696×896		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 M20x4 37.4
48.5
59.7
630×830 800×800 888×888
892×892
896×896		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 M20x6 47.1
61.2
75.3
830×1230 800×1200 888×1288
892×1292
896×1296		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 M20x8 65.2
85.3
175.2
1030×1030 1000×1000 1092×1092
1096×1096		 4
8		 4,6
6,8		 800 M20x8 146.6
190.9
1330×1330 1300×1300 1396×1396 8 8,11 800 M20x8 331.3

Note:Hatch cover height & thickness up to buyer’s choice.

steel hatch cover

  • Specification for type B,BL,BS hatch cover
Nominal size mm
LxB		 Clear size
mm
L1xB1xR100		 Cover size mm
L2xB2		 Cover thickness
mm
t		 Hatch thickness mm
t0 		Hatch height mm
H		 Butterfly clip
Q’ty		 Weight
kg
450×630 420×600 502×688
512×692
516×696		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 4 28.7
35.4
42.0
530×530 500×500 588×588
592×592
596×596		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 4 28.5
35.1
41.7
630×630 600×600 682×688
692×692
696×696		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 4 33.5
42.4
51.2
630×830 600×800 688×888
692×892
696×896		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 4 39.7
51.2
62.3
630×830 800×800 888×888
892×892
896×896		 4
6
8		 4,6
6,8
8,11		 100,150
200,250
450,600		 6 51.2
65.3
79.4
830×1230 800×1200 888×1288
892×1292 		4
6 		4,6
6,8 		100,150
200,250
450,600		 8 71.4
91.5

Note:Hatch cover height & thickness up to buyer’s choice.

steel hatch cover

  • Specification for type C hatch cover
Nominal size mm
LxB or Ф		 Clear size
mm
L1xB1xR100 or Ф1		 Cover size mm
L2xB2 or Ф2		 Cover thickness
mm
t		 Hatch thickness mm
t0 		Hatch height
mm
H		 Center ture clip
Q’ty		 Weight
kg
530×530 500×500 588×588
592×592
596×596		 4
6
8		 4,6
6,8
8,11		 150,200
250,450
600		 4 44.8
51.4
58.0
630×630 600×600 682×688
692×692
696×696		 4
6
8		 4,6
6,8
8,11		 150,200
250,450
600		 4 50.0
58.7
67.5
Ф530 500 588
592
596		 4
6
8		 4,6
6,8
8,11		 150,200
250,450
600		 4 42.2
47.5
52.8
Ф630 600 688
692
696		 4
6
8		 4,6
6,8
8,11		 150,200
250,450
600		 4 46.1
53.2
60.2

Note:Hatch cover height & thickness up to buyer’s choice.

steel hatch cover

  • Specification for type D,DL,DS & 630×630 hatch cover
Nominal size mm
LxB		 Clear size
mm
L1xB1xR115		 Cover size mm
L2xB2 		Opening size of wall mm
L3xB3xR1		 Cover thickness mm
t 		Hatch thickness mm
t0		 Clip
q’ty		 Weight
kg
530×530 530×530 588×588
592×592
596×596		 622x622x161
622x622x161
622x622x163		 4
6
8		 6
6
8		 4 46.7
53.3
63.6
630×630 630×630 682×688
692×692
696×696		 722x722x161
722x722x161
726x726x163		 4
6
8		 6
6
8		 4 57.4
66.1
80.5
630×830 630×830 688×888
692×892
696×896		 722x922x161
726x926x163
726x926x163		 4
6
8		 6
8
8		 4 73.9
91.5
106.3
830×830 830×830 892×892
896×896		 926x926x163
926x926x163		 6
8		 8
8		 8 114.9
129.0

steel hatch cover

  • Specification for type E,EL,ES & F,FL,FS hatch cover
Nominal size mm
LxB		 Clear size
mm
L1xB1xR100		 Cover size mm
L2xB2 		Cover thickness mm
t		 Hatch thickness
mm
t0 		Hatch height
mm
H		 Clip
Ф		 Weight
kg
E		 Weight
kg
F
450×630 420×600 508×688
512×692 		4
6		 4,6
6,8		 100
150
200 		M16 20.9
27.6		 22.2
28.8
530×530 500×500 588×588
592×592		 8
4		 4,6
6,8		 100
150
200 		M16 20.7
27.3		 22.0
28.5
630×630 600×600 688×688
692×892 		6
8		 4,6
6,8		 100
150
200 		M20 26.3
35.1		 27.0
35.9
630×830 600×800 688×888
692×892		 4
6		 4,6
6,8		 100
150
200		 M20 32.5
43.6		 33.1
44.2
830×830 800×800 888×888
892×892		 8
6		 4,6
6,8		 100
150
200		 M20 39.2
53.3		 40.5
54.5

Note:Hatch cover height & thickness up to buyer’s choice.

 
 

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