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MARINE CHOCK

ISO13729 Type A Deck Mounted Closed Chock

Description:

The closed chock is a type of ship’s mooring and towing fitting installed on the ship side to lead the mooring and towing rope from the ship’s inboard to outboard. The closed chocks are normally adopted for ships which use wire ropes. The radius of chock surface was designed based on the bending ratios of rope through the chock of not less than twelve times of the wire rope diameter.

Parameters of ISO13729 Type A Deck Mounted Closed Chock:

Form 1-1:

Nominal Size L x H x D	l1	l2	l3	l4	H1	H2	H3	R	R1	R2
Nominal Size L x H x D	l1	l2	l3	l4	H1	H2	H3	R	R1	R2
250x200x214	488	453	76	265	427	368	108	100	219	160
300x250x286	614	565	89	330	551	481	144	125	282	212
350x250x333	716	660	114	403	601	525	168	125	308	232
400x250x381	820	754	139	475	652	553	192	125	335	236
450x250x381	870	804	164	524	652	553	192	125	335	236
500x250x381	920	854	189	574	652	553	192	125	335	236
400x250x428	870	796	139	500	701	609	216	125	360	268
450x250x428	920	846	164	550	701	609	216	125	360	268
500x250x428	970	896	189	600	701	609	216	125	360	268
500x400x428	970	896	176	600	851	759	216	200	435	343
500x250x525A	1068	1000	190	652	798	675	264	125	409	286
500x400x525A	1068	1000	193	652	948	825	264	200	484	361
500x250x525B	1074	1000	176	652	801	680	264	125	412	291
500x400x525B	1074	1000	179	652	951	830	264	200	487	366

Form 1-2:

Nominal Size L x H x D	R3	R4	R5	R6	d1	T	SWL		Wire rope Diameter (mm)	Calculated Weight (kg)
Nominal Size L x H x D	R3	R4	R5	R6	d1	T	KN	t	Wire rope Diameter (mm)	Calculated Weight (kg)
250x200x214	108	86	150	128	108	22	226	23	18	73
300x250x286	144	118	180	154	144	26	422	43	24	142
350x250x333	168	138	200	170	168	30	549	56	28	222
400x250x381	192	156	250	214	192	36	687	70	32	310
450x250x381	192	156	250	214	192	36	706	72	32	322
500x250x381	192	156	250	214	192	36	765	78	32	337
400x250x428	216	178	250	212	216	38	883	90	36	434
450x250x428	216	178	250	212	216	38	912	93	36	452
500x250x428	216	178	250	212	216	38	932	95	36	472
500x400x428	216	178	250	212	216	38	893	91	36	528
500x250x525A	264	224	320	280	264	40	1148	117	44	657
500x400x525A	264	224	320	280	264	40	1158	118	44	724
500x250x525B	264	218	320	274	264	46	1413	144	44	753
500x400x525B	264	218	320	274	264	46	1383	141	44	825

For more size of ISO13729 type A deck mounted closed chock, please contact us.

Features:

Model Type: Deck Mounted Chock;

Material: Cast Steel;

Certificates: CCS, ABS, BV, LR, NK, RINA, DNV, etc.;

Standard: ISO13729.