... CLASS 150,300,600,900,1500 and 2500MATERIALcarbon steel,low alloy,stainless steel Pipe firrings can be specially manufactured to suit ... ' requestCERTIFICATESISO9001,ISO14001,API,ANSIOTHERS1.special design available according to requirement2.anti-corrosion and high-temperature resistant with black painting3.all the production ...