Oilfield enquirement High pressure Active sealed rotary BOP for drilling

Brief introduction of rotary ram preventer: Commonly used in underbalanced pressure drilling, sealing off the annular space between the drilling tool and well hole, allowed rotating drilling tool under conditions of the rated dynamic seal to work. 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.