Marine Hatch Cover - China Marine Equipment Manufacturers

1) Rotating Oil Tank Hatch Cover  Inquiry
Marked sample: Model A oil tank hatch cover which clear size 750*1200.
Marked as :OIL TANK HATCH COVER B750*1200 CB/T 282-94

Clear size	Cover plate size	A2	B2	H	H1	H2	H3	H4	L	L1	t1	t2	Clip Quantity	Weigh (kg)
A*B	A1*B1
750*1200	720*1170	835	1285	600	290	538	585~700	100	556	430	12	14	6	543
750*1500	720*1470	835	1585						556	460				593
850*1500	820*1470	935	1585						606	460				614

Marked sample: Model B oil tank hatch cover which clear size 600.
Marked as : OIL TANK HATCH COVER A600 CB/T 282-94

Clear size	Cover plate size	H	H1	H2	H3	H4	L	t1	t2	Clip Quantity	Weigh (kg)
D	D1
600	570	600	290	538	585~700	600	480	10	4	295	295
700	670						530			325	325
800	770						580			417	417
1000	970						682	12	6	539	539
1200	1170						782			630	630

2) Aluminum Watertight Hatch Cover  Inquiry
Marked sample: Square aluminium hatch cover which clear size 500*500.
Marked as :HATCH COVER A500*500 CB/T 732-68
Model A Square Aluminium Watertight Hatch cover Model B Rectangular Aluminium Watertight Hatch Cover

Model	Clear size	A1*B1	A2*B2	δ	δ0	H≈	Weight (kg)
	A*B
A	500*500	532*532	588*588	3	4	50	22.4
	600*600	632*632	688*688				25.6
B	450*600	482*632	638*688	3	4	50	21.7
	650*800	686*836	738*888	4			30.2
The tightness test of aluminium watertight hatch cover is the hose test.

Model C Oval Aluminium Watertight Hatch Cover

Clear size	A1*B1	A2*B2	δ	δ	H≈	Weight (kg)
A*B
350*500	382*532	438*588	3	4	50	16.1
450*600	482*632	538*				19.3
Remarks: H in he form is allowed incresed according to the servise situation. (2) Weight is the whole set while H=50; (3) Hinges of hatch cover which clear size is 350*00 should use wrong round-hole and not necessary with stopper.

Model D Circular aluminium Watertight hatch cover

Clear size	D1	D2	δ	δ	H	Weight (kg)
D
600	636	640	3	2.5	27	31.2
The tightness of aluminium watertight hatch cover which clear size 450600 Marked as: HATCH COVER C450600 CB/T 732-68

3) Quick Acting Watertight Hatch Cover  Inquiry
Marked sample: Circular qucih acting watertight hatch cover which clear size is Φ800, coaming height 200.
Marked as : WATERIGHT HATCH COVER A 800-200 CB/T 3842-2000

Clear size	Cut-out size	Coaming inner diameter	Cover plate outer diameter	Cover plate thickness	Coaming		Center diatance	Weight (kg)
Clear size	Cut-out size	Coaming inner diameter	Cover plate outer diameter	Cover plate thickness	Thickness	Height	Center diatance
D	D1	D2	D3	t	t1	h	B
600	640	670	720	12	12	200	473	245
650	690	720	770				498	266
700	740	770	820				523	285
750	790	820	870				548	306
800	840	870	920				573	328
Watertight cover test requirement: It can be passed the water pressure tank test within 15 min. Remarks: Coaming height H can be changed upon orders, H in the form is the minimum size.

Marked sample: Square quich acting watertight hatch cover which clear size is Φ800*800, coaming height 200.
Marked as : WATERIGHT HATCH COVER B 800*800-200 CB/T 3842-2000

Clear size	Cut-out size	Coaming inner diameter	Cover plate outer diameter	Cover plate thickness	Coaming		Center diatance	Weight (kg)
					Thickness	Height
A*A	A1*A1	A2*A2	A3*A3	t	t1	h	B
600*600	640*640	670*670	720*720	12	12	200	510	310
700*700	740*740	770*770	820*820				560	340
800*800	840*840	870*870	920*920				610	380
Watertight cover test requirement: It can be passed the water pressure tank test within 15 min. Remarks: Coaming height H can be changed upon orders, H in the form is the minimum size.

4) Alummium Sunk Type Watertight Hatch Cover  Inquiry
A:
Marked sample: Aluminium sunk type watertight hatch cover which clear size 500*500.
Marked as :SUNK TYPE HATCH COVER B500*500 CB958-80
B:
Marked sample: Aluminium sunk type watertight hatch cover which clear size 400*500.
Marked as :SUNK TYPE HATCH COVER B400*500 CB958-80

NO.	Clear size	A1*B1	Cut-out size	A2*B2	t	Weight (kg)
NO.	A*B	A1*B1	A2B2R	A2*B2	t	Weight (kg)
A	500*600	536*536	580580130	646*646	4	22.38
	600*600	636*636	680680140	746*746	4	26.29
	The tightness test of aluminium sunk type watertight hatch cover is the hose test.
B	400*500	436*536	480*580	546*646	4	17.02
	450*600	486*632	530*680	596*746	4	21.06
	The tightness test of aluminium sunk type watertight hatch cover is the hose test.

5) Aluminum Embedded Type Watertight Hatch Cover  Inquiry
Marked sample: Aluminium sunk type watertight hatch cover with singe which clear size 500*500, cover plate tickness 12
Marked as :SUNK TYPE HATCH COVER A500*500 QL402

Model	Clear size	Cover plate size	Cover frame size	Cut-out size	Cover plate thickness		Weight(kg)
Model	B*L	B1*L1	B2*L2	B3*L3	E	F	E	F
A	500*500	550*550	670*670	590*590	12	6	21	12
A	600*600	650*650	770*770	690*690	12	6	25	15
B	400*500	450*450	570*670	490*590	12	6	13	9
B	450*600	500*650	620*770	540*690	12	6	19	15
C	Φ500	Φ550	Φ670	Φ590	12	6	16	12
C	Φ600	Φ650	Φ770	Φ690	12	6	21	17

6) Small Size Steel Hatch Cover  Inquiry
This dimension and specifications as ISO5778;
Remarks: 2) This weight including balance weight.
Marked sample: Model A hatch cover which nominal size 630*630, cover plate thickness 6, coaming thichness 6, coaming height 200.
Marked as: HATCH COVER A630*630*6-6*200 CB/T 3728-1995

Nominal size	Clear size	Coaming plate thickness	Coaming thickness	Weight of corresponding coaming height (kg)
L*B	L1B1R	t	t0	100	150	200	250	300	400	450	500	600	800
450*630	420600100	4	4	31	34	37	41	44	50	53	57	63	76
		4	6	64	39	44	49	53	63	68	73	82	102
		6	6	41	46	51	56	60	70	75	80	89	109
		6	8	44	51	57	64	70	83	89	96	106	134
		8	8	52	58	64	71	77	0	97	103	116	141
		8	11	56	65	74	83	92	109	118	127	145	180
530*530	500500100	4	4	31	34	37	40	43	50	53	56	62	75
		4	6	34	38	43	48	53	62	67	72	81	100
		6	6	41	45	50	55	60	69	74	78	88	107
		6	8	44	50	56	63	69	82	88	94	107	132
		8	8	51	57	64	70	76	89	95	101	114	139
		8	11	56	64	73	82	90	108	116	125	142	177
630*630	600600100	4	4	38	42	46	50	54	61	65	69	76	91
		4	6	42	48	54	59	65	76	82	88	99	122
		6	6	51	57	63	68	74	85	91	97	108	131
		6	8	55	63	70	78	85	100	108	116	131	161
		8	8	64	72	80	87	95	110	117	125	140	171
		8	11	70	81	91	101	112	133	143	153	174	216
630*830	600800100	4	4	46	52	55	60	64	73	77	82	91	108
		4	6	51	57	64	71	77	91	97	104	117	144
		6	6	62	69	76	82	89	102	109	115	129	155
		6	8	67	76	84	93	102	120	129	138	155	191
		8 1)	8	79	87	96	105	114	132	141	149	167	203
		8 1)	11	85	97	110	122	134	158	170	183	207	256
830*830	800800100	4	4	58	63	68	73	78	88	93	98	108	129
		4	6	63	70	78	85	93	108	116	124	139	169
		6	6	77	85	92	100	108	123	130	138	153	184
		6	8	82	92	103	113	123	143	153	163	184	224
		8	8	97	107	118	128	138	158	168	178	199	239
		8	11	105	119	133	147	161	188	202	216	244	300
830*1230	8001200100	4	4	76	82	89	95	102	114	121	127	140	165
		4	6 2)	82	92	102	111	121	140	149	159	178	216
		6	6 2)	105	115	124	134	143	162	172	181	800	238
		6	8 2)	110	124	137	150	162	188	200	213	238	289
		8	8 2)	203	215	228	193	253	279	291	304	330	380
		8	112)	212	230	247	264	282	317	334	352	387	457
1030*1030	10001000100	6	6 2)	164	174	183	193	202	221	231	240	259	297
		6	8 2)	170	183	196	208	221	247	259	272	297	348
		8 1)	8 2)	217	230	243	255	267	293	306	319	343	395
		8 1)	112)	227	244	286	279	297	331	349	366	401	471
1330*1330	13001300100	8 1)	8 2)	359	372	386	400	414	442	456	470	498	554
1330*1330	13001300100	8 1)	112)	369	388	407	427	446	484	504	523	561	638

7) Quick Acting Weathertight Hatch Cover  Inquiry
Marked sample: Model C hatch cover which nominal size Φ530, cover thickness 6, coaming thichness 8, coaming height 450.
Marked as: HATCH COVER D630*830*4 CB/T 3728-1995

Nominal size	Clear size	Cover plate thickness	Coaming thickness	Weight of Corresponding Height (kg)
L*B	L1B1R	t	t0	100	150	200	250	300	400	450	500	600	800
530*530	500500100	4	4	52	55	58	61	64	71	74	77	83	96
		4	6	55	60	64	69	74	83	88	92	102	121
		6	6	60.8	66	71	76	80	90	94	99	109	128
		6	8	65	71	77	83	90	102	109	115	128	153
		8	8	71	77	84	90	96	109	115	122	134	159
		8	11	76	85	93	102	111	128	137	145	162	197
630*630	600600100	4	4	58	62	66	69	73	81	85	88	96	111
		4	6	62	68	73	79	85	96	102	107	119	142
		6	6	71	76	82	88	93	105	110	116	127	150
		6	8	74	82	90	97	105	119	127	135	150	181
		8	8	83	91	98	106	114	129	136	144	159	189
		8	11	89	99	110	120	131	151	162	172	193	235
Φ530	Φ500	4	4	48	51	53	56	58	64	67	70	74	86
		4	6	51	55	59	63	67	75	79	83	91	107
		6	6	56	60	64	68	72	80	84	88	96	112
		6	8	59	64	70	75	80	91	97	102	113	135
		8	8	64	70	75	80	86	97	102	107	118	140
		8	11	68	76	83	91	98	113	121	128	142	173
Φ630	Φ600	4	4	53	56	59	63	66	72	75	79	85	98
		4	6	56	61	66	71	74	85	90	94	104	123
		6	6	63	68	73	77	82	92	97	102	111	130
		6	8	67	73	79	86	92	105	111	118	131	156
		8	8	74	80	86	93	99	112	118	125	138	163
		8	11	78	87	96	105	114	132	140	149	167	202

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