1.6 ton vital lever block
1.6 ton chain lever block can be found in the Iranian market under the VITAL brand of Japan and as a Chinese production plan. There is a significant difference in efficiency, safety and longevity as well as in the price of the original Japanese chain lever block and the Chinese design. The original 1.6 ton Japanese Vital chain lever block has been produced with a safety factor of 5:2, which means that it has been tested as a suspension with 2.5 times its nominal capacity during the tensile test and issuance of the consumer certificate. This means that a 4-ton weight was used to test the original Vital Chain Puller. Regarding the examples of the production plan in China, it is said that the maximum real power in the security mode for these lever block is equal to their nominal power.
