GB/T 178-96 screw type chain stopper is applicable to all types of ships whose anchor chain diameter is 22mm to 102mm. Screw type chain stopper has two types: type A is applicable to Grade 2 anchor chain, type B is applicable to Grade 3 anchor chain. Type A screw type can withstand the 80% maximum breaking load of grade 2 anchor chain; type B screw type chain stopper can withstand 80% maximum breaking load of grade 3 anchor chain. For more information, please feel free to contact us.

Produc Features

1.Model Type: Screw Type Chain Stopper;
2.Standard: GB/T 178-96 (adopt the standard GB4443-84 for reference);
3.Material: cast steel (ZG230-450)
4.Nominal Anchor Chain Diameter: type A 22~66mm, type B 50~102mm;
5.Color: red, black, grey or any others for customer’s reference;
6.Can withstand 80% maximum breaking load of anchor chain, never come to permanent deformation;
7.All flexible parts are painted lubricating oil, other parts of surface are painted bitumen paint;
8.No any defects on the surface that influence the strength of chain stopper;
9.Certificate: ABS,CCS, BV,LR,NK etc.
10.Can be customized according to customer’s drawing