... (mm): 15, 20, 25, 32, 40, 50, 65, 80, 100, 125, 150, 200, 250, 300, 350, 400, 500Medium temperature: ... Petroleum, purified natural gas, sour gas, town gas and non-corrosive media.Our Manufactory IntroductionOur strength1.We cooperate ... with so many big company like Petrol China.2.We ... photoes) NEW Globe valve for oil,petrol and so on