JIS F 2006-1976 Open Chock

Material: ZG230-450

Standard: JIS F 2006-1976

Type: Deck-Mounted

Surface: Zinc rich primer

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

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JIS F 2006-1976 Open Chock

Introduction:

The marine open chocks manufactured according to the JIS F-2006 standard have FC type and SC type. The two types of chocks are installed on the deck, which can effectively reduce the abrasion of the ropes.

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Drawings and Parameters of JIS F 2006-1976 Open Chock Type FC:

Form1-1:

Body
Nominal Size L (mm)	L1	a	B	b	B1	H	h	h1	l	l1	l2	l3	R	R1	r	r1	r2	r3
150	400	29	80	52	75	85	25	28	60	60	65	45	20	170	37.5	10	95	32
200	500	34	110	60.5	110	105	30	35	65	80	85	60	22	210	46.5	12	117	44
250	600	42	130	73	120	125	35	42	70	110	105	70	24	220	55.5	14	139	52
300	700	50	150	89.5	140	145	40	49	75	140	125	80	32	220	63.5	18	163	60
350	800	57	170	100	150	160	45	55	80	165	145	92.5	34	280	70	20	190	70
390	900	65	190	112	160	175	50	62	95	190	160	100	34	330	77.5	20	215	80
420	1000	79	210	131	190	195	55	67	100	210	190	105	34	380	86.5	22	240	90

Form1-2:

Body				Screw hole					Calculated Mass (kg)	Applicable dia. of rope
Nominal Dia. L (mm)	t	t1	t2	Screw	Qty.	Dia.	P	P1	Calculated Mass (kg)	Wire rope	Hemp rope	Synthetic fiber rope
150	15	25	25	M20	3	22	30	-	11.5	12	32	20
200	20	30	33	M20	5	22	32	-	19.0	14	38	24
250	22	32	40	M20	6	22	32	35	31.5	16	42	28
300	25	35	45	M24	6	26	40	40	47.0	18	50	32
350	28	38	48	M24	6	26	40	45	68.0	20	55	36
390	30	40	52	M27	6	30	50	55	91.0	22.4	60	42
420	32	42	55	M30	6	33	50	55	130	22.4	60	42

Drawings and Parameters of JIS F 2006-1976 Open Chock Type SC:

Form1-1:

Nominal Size L (mm)	L1	B	B1	H	h	h1	l	l1	R	R1
150	280	80	80	90	28	8	60	45	40	160
200	380	110	110	116	35	8	84	58	55	200
250	460	130	130	136	42	10	114	68	65	280
300	540	150	150	160	49	10	140	80	75	300
350	620	170	170	180	55	12	170	90	85	350
400	700	200	200	200	63	12	200	100	100	400

Form1-2:

Nominal Size L (mm)	r	r1	r2	r3	r4	t	t1	S	Calculated Mass (kg)	Applicable dia. of rope
										Wire rope	Hemp rope	Synthetic fiber rope
150	35	10	100	32	40	12	20	6	10.7	12	32	20
200	46	12	136	44	55	16	24	6	18.1	14	38	24
250	54	14	160	52	65	18	26	6	29.2	16	42	28
300	62	18	180	60	75	20	28	8	44.0	18	50	32
350	70	20	205	70	85	22	30	8	64.0	20	55	36
400	80	20	230	83	100	25	33	8	98.0	22.4	60	42