Brief introduction of single ram bop: The ram preventer is designed and produced according to API 16A standard with different size of blind rams, pipe rams and shear rams. In order to saving time of replacement gate valve, variable ram designing put into use. High-grade ram rubber core and side flange sealing can meet the extreme circumstances, such as high and low temperature or acidic conditions. The housing of BOP is made of low alloy steel forgings or castings. Chemical composition, mechanical properties and forming process conform to the requirements of standards. Connection types:The BOP are offered with studded, flanged and hubbed top and bottom connections. The sizes of flanges, bolts, clamps and ring grooves all conform to API 16A and GOST standards. Classification:Ram preventers supplied by us are classified as two kinds of structure, Cameron and Shaffer type. The Cameron type preventer changes ram by hydraulic way, which is safe, reliable, and easy to replace the ram.