DIN 81915 Chock

Material: Cast Steel

Standard: DIN 81915

Model Type: Type A/B/C/D/E

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

Overview

Describe：

DIN 81915 refers to the German Industrial Standard for chocks used in maritime applications. Chocks are essentially metal or composite fittings used on ships to secure mooring lines or ropes. They are typically mounted on the deck or hull of a vessel and provide a secure point for tying off ropes or cables, especially during mooring or towing operations.

Type：

Divided into Type A/B/C/D/E according to DIN 81915 standard

Drawing of Type A :

DIN 81915 Chock A.png

Specification of Type A:

Nominal Size	Wire W.L. (Kn)	b1	b2	h1	h2	h3	l1	r1	r2	s1	s2	w1	w2	Weight (Kg)


1	10	250	175	160	65	20	285	80	45	10	5	125	90	18
2	20	315	225	200	70	25	360	100	57.5	12	6	160	115	26
3	30	390	275	250	75	32	450	125	70	14	7	200	140	42
5	50	480	340	300	80	38	550	150	90	16	8	250	180	74
8	80	585	415	360	90	45	680	180	112.5	18	9	320	225	120
12	125	710	500	440	110	55	840	220	135	20	10	400	270	185
20	200	840	595	520	130	65	1020	260	160	22	11	500	320	285
32	320	1100	800	700	150	80	1300	350	200	35	12	600	400	795

Drawing of Type B :

Specification of Type B:

Nominal Size	Wire W.L. (Kn)	d	l2
1	10	30	115
2	20	35	125
3	30	40	140
5	50	45	160
8	80	50	180

Drawing of Type C :

Specification of Type C:

Nominal

Size

Wire

W.L.

(Kn)

Weight

(Kg)

200

420

840

520

1020

260

160

500

320

325

320

550

1100

700

1300

350

200

600

400

840

Drawing of Type D :

Specification of Type D:

Nominal Size	Wire W.L. (Kn)	d	l2
1	10	30	115
2	20	35	125
3	30	40	140
5	50	45	160
8	80	50	180

Drawing of Type E :

Specification of Type E:

Nominal Size	Wire W.L. (Kn)	a	b3	c	e	h1	l1	l3	r1	r2	r3	r4	s1	w1	w2	Weight (Kg)


8	80	340	752	130	460	360	680	750	R180	R113	R110	R293	18	320	225	185
12	120	350	775	130	470	360	760	800	R180	R125	R100	R305	28	400	250	300
20	200	560	1070	190	650	520	1020	1200	R260	R160	R170	R420	28	500	320	540