JIS F2005-1975 Closed Chock

Description:

JIS F2005-1975 closed chock is one type of the deck mounted chocks, it is made according to the marine standard of Japanese Standard Association. It is made up of cast steel, the function is to protect the marine rope from breaking and can extend the rope’s service life.

Drawing of JIS F2005-1975 Closed Chock with a Size of 100~200mm:

Parameters of JIS F2005-1975 Closed Chock with a Size of 100~200mm:

Nominal Size (mm)	L	L1	L2	B	H	H1	H2	H3	R	R1	T	(T1)	(R2)	(R3)	Leg Of weld	Calculated mass (kg)	Nominal dia. of applicable rope (Reference)
																	Wire Rope (6x24)	Manila rope	Nylon rope
100	100	35	170	60	76	141	30	35	38	73	12	10	30	18	7	8.7	14	24	18
150	150	50	250	90	110	205	45	50	55	105	16	12	45	29	8	10.5	16	30	22
200	200	70	340	120	150	280	60	70	75	145	20	16	60	40	9	24.0	18	40	28

Parameters of JIS F2005-1975 Closed Chock with a Size of 250~500mm:

Nominal Size (mm)	L	L1	L2	L3	L4	B	H	H1	H2	H3	R	R1	R2	R3	r1	r2	T	T1	Calculated mass (kg)	Nominal dia. of applicable rope (Reference)
																				Wire rope	Mani-larope
250	250	92	100	250	434	160	200	372	80	92	100	192	80	56	20	15	24	20	48	20(6x12)	50
300	300	114	110	300	528	200	250	464	100	114	125	239	100	72	25	20	28	22	83	22.4(6x12)	60
350	350	125	125	350	600	220	250	485	110	125	125	250	110	80	30	20	30	22	103	24 (6x24)	70
400	400	136	135	370	672	240	250	506	120	136	125	261	120	88	30	20	32	25	136	26(6x24)	80
450	450	148	150	400	746	260	250	528	130	148	125	273	130	94	30	20	36	28	184	30(6x24)	85
500	500	160	175	450	820	280	250	550	140	160	125	285	140	100	30	20	40	30	232	35.5(6x24)	90

Model Type: Deck Mounted Chock;

Material: Cast Steel;

Nominal Size: 100mm-200mm, 250mm-500mm;

Standard: JIS F2005-1975.