- Standard: APi Spec 8C
- Adopts high-quality structural alloy steel as raw material.
- Safety Factor: n=2.25 ~ 3
- Working Load Limit: 135 ~450 ton
- Swivel bail is manufactured by free forging.
- Special heat treatment
- Non-destructive test is performed.
- Its strength is verified throughout 1.5 WLL tensile test
- There are signs such as WORKING LOAD LIMIT marked on the link
- Surface painted.
- Match with water faucet.
Description