• 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