... NO.:FH13/18.6-14 2.Usage:mainly for blowout preventer 3.Type: shear, blind, variable or shaffer 4.Certificate:API 16 ... , 10,000psiUsage: pipe, blind and casing ramCertification: API and 16A 4. Certification:For more detail information ,please ... contact me directly,technical info and catalog will be passed! Popular Shear/Blind Ram for Blowout Preventer