This standard is applicable to marine supercharged diesel engine air coolers (referred to as air coolers), and also to supercharged diesel engine air coolers for other purposes.
GB/T 7028-1986 history
2008GB/T 2497-2008 Charge air coolers for marine diesel engines
1986GB/T 7028-1986 Test method of charge air coolers for marine diesel engines
GB/T 7028-1986 Test method of charge air coolers for marine diesel engines was changed to GB/T 2497-2008 Charge air coolers for marine diesel engines.