Nizhny Novgorod-based shipyard Krasnoye Sormovo has delivered the fourth Project RTS27M chemical tanker Balt Flot 19 to BF Tanker.
Five tankers were ordered under a tripartite agreement between the Russian shipyard, State Transport Leasing Company and BF Tanker in December 2016.
Registered at Big Port St Petersburg, Balt Flot 19 was launched in December.
The final vessel Balt Flot 20 was launched in February and has undergone mooring and sea trials.
The 140.8-metre by 16.8-metre RST27M series tankers are equipped with six cargo tanks that can simultaneously transport crude oil, oil products and noxious liquid bulk substances.
Designed by Marine Engineering Bureau to RS class КМ Ice1, the 7,875DWT vessels are designed for mixed river and sea navigation.