Chock for Mooring

Material: ZG230-450

Standard: ISO13729

Type: Deck-Mounted/Bulwark-Mounted

Surface: Zinc rich primer

Availible cert.: CCS, ABS, BV, DNV, LR and other certificates.

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Chock for Mooring

Introduction:

The closed chock is a common ship device installed on the ship to guide the movement of the ropes. In the ISO 13729-2012 standard, there are two types of closed chocks: A type and B type. Type A is installed on the deck and type B is installed on the bulwark.

Drawings and Parameters of Chock for Mooring Type A:

Form 1-1:

Nominal size *LHD*	l1	l2	l3	l4	H1	H2	H3	R	R1	R2	R3
250200214	488	453	76	265	427	368	108	100	219	160	108
300250286	614	565	89	330	551	481	144	125	282	212	144
350250333	716	660	114	403	601	525	168	125	308	232	168
400250381	820	754	139	475	652	553	192	125	335	236	192
450250381	870	804	164	524	652	553	192	125	335	236	192
500250381	920	854	189	574	652	553	192	125	335	236	192
400250428	870	796	139	500	701	609	216	125	360	268	216
450250428	920	846	164	550	701	609	216	125	360	268	216
500250428	970	896	189	600	701	609	216	125	360	268	216
500400428	970	896	176	600	851	759	216	200	435	343	216
500250525A	1068	1000	190	652	798	675	264	125	409	286	264
500400525A	1068	1000	193	652	948	825	264	200	484	361	264
500250525B	1074	1000	176	652	801	680	264	125	412	291	264
500400525B	1074	1000	179	652	951	830	264	200	487	366	264

Form 1-2:

Nominal size *LHD*	R4	R5	R6	d1	T	Welding Leg length	SWL		Wire Rope Diameter (recommended)	Calculated weight (kg)
Nominal size *LHD*	R4	R5	R6	d1	T	z1	KN	t	Wire Rope Diameter (recommended)	Calculated weight (kg)
250200214	86	150	128	108	22	6	226	23	18	73
300250286	118	180	154	144	26	6.5	422	43	24	142
350250333	138	200	170	168	30	7.5	549	56	28	222
400250381	156	250	214	192	36	9	687	70	32	310
450250381	156	250	214	192	36	9	706	72	32	322
500250381	156	250	214	192	36	9	765	78	32	337
400250428	178	250	212	216	38	9.5	883	90	36	434
450250428	178	250	212	216	38	9.5	912	93	36	452
500250428	178	250	212	216	38	9.5	932	95	36	472
500400428	178	250	212	216	38	9.5	893	91	36	528
500250525A	224	320	280	264	40	10	1148	117	44	657
500400525A	224	320	280	264	40	10	1158	118	44	724
500250525B	218	320	274	264	46	11.5	1413	144	44	753
500400525B	218	320	274	264	46	11.5	1383	141	44	825

Drawings and Parameters of Chock for Mooring Type B:

Form 1-1:

Nominal size *LHD*	l1	l2	H1	H2	R	R1	R2	R3	R4	R5
250×200×214	516	441	466	306	100	233	153	108	96	150
300×250×286	638	554	588	410	125	294	205	144	128	180
350×250×333	736	646	636	449	125	318	224.5	168	150	200
400×250×381	834	736	684	450	125	342	225	192	172	250
450×250×381	884	786	684	450	125	342	225	192	172	250
500×250×381	934	836	684	450	125	342	225	192	172	250
400×250×428	882	778	732	515	125	366	257.5	216	194	250
450×250×428	932	828	732	515	125	366	257.5	216	194	250
500×250×428	982	878	732	515	125	366	257.5	216	194	250
500×400×428	982	878	882	665	200	441	332.5	216	194	250
500×250×525A	1078	976	828	551	125	414	275.5	264	240	320
500×400×525A	1078	978	978	701	200	489	350.6	264	240	320
500×250×525B	1078	976	828	554	125	414	277	264	238	320
500×400×525B	1078	978	978	704	200	489	352	264	238	320

Form 1-2:

Nominal size *LHD*	R6	d1	d2	T	θ	Welding leg length		SWL		Wire Rope Diameter (recommended)	Calculated Weight (kg)
Nominal size *LHD*	R6	d1	d2	T	θ	z1	z2	KN	t	Wire Rope Diameter (recommended)	Calculated Weight (kg)
250×200×214	138	108	80	12	44°	6	5	226	23	18	49
300×250×286	164	144	100	16	44°	8	6.5	422	43	24	100
350×250×333	182	168	120	18	55°	9	7	549	56	28	141
400×250×381	230	192	120	20	47°	10	8	687	70	32	184
450×250×381	230	192	120	20	47°	10	8	706	72	32	194
500×250×381	230	192	120	20	47°	10	8	765	78	32	202
400×250×428	228	216	120	22	56°	10	9	883	90	36	264
450×250×428	228	216	120	22	56°	10	9	912	93	36	276
500×250×428	228	216	120	22	56°	10	9	932	95	36	288
500×400×428	228	216	120	22	56°	10	9	893	91	36	311
500×250×525A	296	264	120	24	53°	10	9.5	1148	117	44	379
500×400×525A	296	264	120	24	53°	10	9.5	1158	118	44	408
500×250×525B	294	264	120	26	53°	10	10.5	1413	144	44	405
500×400×525B	294	264	120	26	53°	10	10.5	1383	141	44	442