Screw Type Chain Stopper

Screw Type Chain Stopper

Screw type chain stopper is produced following the shipbuilding standard GB/T 178-1996. It is applicable to all types of ships whose anchor chain diameter is 22 to 102mm. Screw type chain stopper has two types: type A is applicable to grade 2 anchor chain (diameter ranges from 22~66mm); type B is applicable to grade 3 anchor chain (diameter ranges from 50~102mm) . To meet the GL,LR,DNV or other classification societies’ regulatory requirements, screw type chain stopper can withstand 80% of anchor chain’s minimum breaking load and does not come to permanent deformation. Except screw type chain stoppers, we can supply all other kinds of chain stoppers. For more information, please feel free to contact us.

Features of Screw Type Chain Stopper

1. Standard: GB/T 178-1996;

2. Material: cast steel for roller and chassis, carbon steel for other parts;

3. Nominal Anchor Chain Diameter: type A 22~66mm, type B 50~102mm;

4. Color: red, black, blue, grey or any other colors for reference;

5. Help reduce the working load to protect the anchor windlass;

6. Friction surface are painted lubricating oil, other part of surface are painted bitumen paint;

7. No defects to influence the strength of chain stopper;

8. Get the quality certification of ISO, ABS,CCS,LR,NK etc.;

9. Can be customized for special requirements;

Drawing of CB/T178-96 Screw Type Chain Stopper Type A

Anchor Chain Stopper(mm)	B	C	H	L	Weight(kg)
22~26	280	190	335	500	90
28~32	310	210	400	550	122
34~38	360	250	455	600	163
40~44	420	290	515	670	238
46~48	480	330	585	770	353
52~58	550	380	680	970	518
60~66	640	440	775	1000	772

Identification Example:

Scew Type Chain Stopper for Grade 2 Anchor Chain Diameter 10~44mm:

Screw Type Chain Stopper A40~44 CB/T178-1996

Screw Type Chain Stopper

Drawing of CB/T178-96 Screw Type Chain Stopper Type B

Anchor Chain Diameter(mm)	B	B1	H	L	D	Weight(kg)
50~52	1020	333	1130	1040	520	1700
54~56	1090	335	1210	1120	560	1805
58~60	1170	371	1270	1180	600	1930
62~64	1250	393	1360	1270	640	1960
66~68	1330	415	1430	1340	680	2180
70~73	1410	441	1510	1420	730	2420
76~78	1500	463	1590	1500	780	2630
81~84	1600	485	1630	1610	840	2860
87~90	1700	507	1670	1700	900	3170
92~95	1820	529	1710	1800	950	3420
97~102	1940	551	1750	1890	1020	3798

Identification Example:

Scew Type Chain Stopper for Grade 3 Anchor Chain Diameter 50~52mm:

Screw Type Chain Stopper B50~52 CB/T178-1996