特点 Features ◆1000PSI/PN63 ◆ Reduce port ◆ Investment Casting ◆BIOW- out proof Stem ◆ External polished ◆ Max temperture-25℃ to180℃ ◆ PTFE Seats& seals
Thread:: ASME B1.20.1 BS21. DIN2999/259; ISO228-1; JIS B 0203; ISO7/1;
◆Inspection Testing:: API1598; EN12266;