CB T 3844-2000 Chain Stopper

CB/T 3844-2000 Marine Roller Lever Chain Stopper

Chain stopper is an important mooring device which is used to fix the anchor chain and prevent it slide out when vessels sail or drop anchor. It can reduce the working load to protect the anchor windlass. CB/T 3844-2000 marine roller lever chain stopper is applicable to one-stage, two-stage and three-stage anchor chains in diameter of 42~132mm. Marine lever chain stopper can be welded directly to the deck. Complying with the regulatory requirements of GL, LR, DNV classification societies, roller lever chain stopper can withstand 80% of anchor chain’s minimum breaking load, in which case that the force member cannot be deformed permanently.

Features of Marine Roller Lever Chain Stopper

1. Model Type: marine roller lever chain stopper;

2. Shipbuliding Standard: CB/T 3844-2000;

3. Applicable Anchor Chain Diameter: 42~132mm;

4. Weight: 274~6244kg;

5. Material: Cast Steel;

6. Smooth, polished surface without any defects such as cracks, sand hole that influence the strength;

7. Surface Coating: anti-rust primer and bitumen paint;

8. Flexible roller, accurate positioning;

9. Certificate: CCS,ABS,BV,LR,DNV,NK etc.;

10. Can be designed according to customer’s requirements.

CB T 3844-2000 Chain Stopper

Drawing of GB/T 3844-2000 Marine Roller Lever Chain Stopper

Unit:mm

Nominal Diameter	Chain Diameter	L	L1	L2	L3	L4	B	b1	D	d1	d2	h1	h2	t	t1	Weight(kg)
44	42~44	1000	370	400	270	80	380	260	484	22	69	392	281	12	32	274
48	46~48	1050	420	450	300	85	446	286	528	26	73	414	306	12	34	351
52	50~52	1100	440	500	320	90	510	310	572	32	77	440	338	14	36	451
56	54~56	1150	450	550	340	92	556	316	600	34	81	460	354	15	38	536
60	58~60	1200	470	570	360	95	610	330	620	38	87	490	378	16	40	651
64	62~64	1250	500	600	370	100	666	346	640	40	94	520	400	17	42	753
68	66~68	1300	550	640	394	102	732	372	680	42	101	540	420	18	45	939
73	70~73	1350	570	670	414	110	800	400	730	45	109	580	460	20	48	1178
78	76~78	1400	610	700	442	115	865	425	780	48	116	630	490	22	50	1422
84	81~84	1460	650	740	475	120	940	454	840	50	124	670	530	24	55	1758
90	87~90	1540	710	780	507	135	1030	484	900	55	132	720	570	26	60	2171
95	92~95	1600	740	820	535	140	1080	508	950	58	139	760	610	28	65	2567
102	97~102	1680	790	870	572	145	1150	540	1020	60	148	800	650	30	70	2755
107	105~107	1750	840	900	600	150	1210	569	1070	63	154	860	690	32	75	3640
114	111~114	1820	880	940	637	160	1270	598	1140	68	163	910	740	34	80	4302
122	117~122	1880	930	1010	679	165	1340	632	1220	70	173	980	790	36	85	5326
132	124~132	1960	1000	1080	730	175	1440	674	1320	75	185	1060	860	38	90	6244
Note: 1) Weight is calculated according to the value h1; 2) The height h1 can be determined by clients themselves. When the height clients choosed is higher than h1, relevant strengthening is done on sides.

Identification Example:

Roller Lever Chain Stopper Applicable to Anchor Diameter 70~73mm:

Roller Lever Chain Stopper 73 CB/T 3844-2000