JIS F2007-1976 Mooring Chock

Material: Cast Steel

Standard: JIS F2007-1976

Nominal Size: 150mm to 500mm

Weight:15KG to 115KG

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

Overview

Describe：

JIS F2007-1976 is a Japanese Industrial Standard (JIS) specification for mooring chocks, which are devices used on ships to secure mooring lines. Mooring chocks provide a stable point for the attachment of ropes or cables used in docking or anchoring a vessel. The JIS F2007-1976 standard specifies the dimensions, materials, and other requirements for these chocks to ensure they meet safety and performance standards.

Type：

According to the shape of Chock, it can be divided into two types, type A oval and type B round.

Drawing of Type A :

Specification of JIS F2007-1976 Mooring Chock Type A:

Nominal Size	L	L1	L2	H	H1	H2	B	C	R	R1	R2	R3	T	Number Of ribs	Leg Of weld	Calculated mass(kg)	Nominal dia. Of Applicable rope(Reference)




																	Manila rope	Wire rope
																	Manila rope	Wire rope
150	150	300	270	110	260	202	129	40	55	130	115	65	12	4	5	15.1	40	16(6x12)
200	200	368	334	150	318	250	143	42	75	159	142	72	12	4	5	20.5	45	18(6x12)
250	250	430	394	200	380	308	155	44	100	190	172	78	12	4	5	26.9	50	20(6x12)
300	300	500	460	250	450	372	169	52	125	225	205	85	15	4	6	42.7	60	22.4(6x12)
350	350	560	518	250	460	378	179	55	125	230	209	90	15	6	6	50.8	70	24(6x24)
400	400	632	586	250	482	394	195	60	125	241	218	98	18	6	7	76.3	80	26(6x24)
450	450	700	650	250	500	406	209	62	125	250	225	105	20	6	8	102	85	30(6x24)
500	500	760	708	250	510	412	219	65	125	255	229	110	20	6	8	115	90	35.5(6x24)

Drawing of Type B:

JIS F2007-1976 Mooring Chock 2.png

Specification of JIS F2007-1976 Mooring Chock Type B:

Nominal Size (mm)	L	L1	L2	B	C	R3	T	Number Of ribs	Leg Of weld	Calculated mass(kg)	Nominal dia. Of Applicable rope(Reference)





											Wire rope	Manila rope
											Wire rope	Manila rope
150	150	318	288	144	42	72	12	4	5	17.5	18(6x12)	45
200	200	380	346	155	44	78	12	4	5	23.5	20(6x12)	50
250	250	450	414	169	52	85	15	4	6	37.5	22.4(6x12)	60
300	300	510	470	179	55	90	15	4	6	45.5	24(6x24)	70