This standard specifies the test items, methods, content, data calculation, result analysis and documentation requirements for condensing internal combustion engine cooling fans. This standard applies to both cooling fans for condensing internal combustion engines with and without generators.
JB/T 6723.4-2018 history
2018JB/T 6723.4-2018 Cooling fan for internal combustion engines.Part 4: Test method for cooling fan of condensing engines
2008JB/T 6723.4-2008 Cooling fan for internal combustion engines.Part4:Test method for cooling fan of condensing engines
1999JB/T 6723.4-1999 Cooling fan for internal combustion engines.Part 4: Test method for cooling fan of condensing engines