Introduction:
The claw type chain stopper under the standard CB 1110-84 is suitable for anchor chains with diameters from 28mm to 58mm. The material of the main parts of the claw type chain stopper is iron brass, stainless steel, high-quality carbon steel, cast steel, etc. The surface of all parts of the claw type chain stopper should be smooth and clean, and there should be no burrs, cracks and other defects that affect the strength of the claw type chain stopper. The rotating parts of the claw type chain stopper should be coated with lubricating oil, and the remaining parts should be sprayed with anti-rust primer. The claw type chain stopper must be inspected by the technical department of the manufacturer and a certificate of conformity shall be issued. The claw type chain stopper that has passed the inspection shall be include the following marks:
1. The name or trademark of the manufacturer;
2. Model and standard number;
3. Production year and month;
4. Qualified seal of inspection.