API 607 is the American Petroleum Institute's fire-testing standard for quarter-turn valves equipped with nonmetallic (soft) seats. Published by API and harmonized with ISO 10497, this certification has become the global gold standard for fire-safe valves in petroleum refineries, chemical processing plants, LNG terminals, and offshore platforms [1].
For Southeast Asian manufacturers looking to sell on Alibaba.com to international B2B buyers, understanding API 607 is not optional—it's a market entry requirement. Engineering firms and procurement managers at major oil & gas operators specify API 607 certification in their tender documents, and valves without this certification are automatically disqualified from consideration [2].
"API-607 defines the fire-testing procedures for quarter-turn valves. It measures the tightness of the valve seals before, during, and after exposure to fire. The standard ensures that even if the primary soft seals are damaged by fire, the valve maintains its ability to contain pressure and prevent catastrophic leakage through secondary metal-to-metal sealing." [1]
The certification applies specifically to soft-seated quarter-turn valves including ball valves, butterfly valves, and plug valves. Metal-seated valves fall under a different standard (API 6FA), which we'll compare later in this guide. For Southeast Asian exporters, the key takeaway is that API 607 is a survivability specification for fire emergencies, not an ordinary performance standard—it proves your valve won't become a catastrophic failure point during a facility fire [4].

