Name: Manual single-ram BOP 
 Model: SFZ 
 This product is applicable to oil testing, workover closed wellhead to prevent blowout accidents, can be the role of the formation tester tool equipment, closure of wellhead pressure of the annulus. Single ram BOP has a good sealing performance, high reliability, reasonable structure, easy installation, operation, on-site practical advantages. Opening and closing of the blowout preventer ram rely on manual control, no hydraulic control systems, equipment, operation and maintenance. The following circumstances: (1) in the well tubing, drill pipe, cable or rope closed borehole; 2. Closed borehole wells without drill; in the case of closed wellhead to achieve the killing. wash well annulus pressure and other special operations. 
 Details 
 Technical parameters 
 Model Nominal Diameter (mm) Rated working pressure (MPa) Weight (kg) Remark 
 SFZ 14 -14 140 14 145 manual single ram preventer 
 SFZ 14 - 21/150 - 250F 140 21 208 manual single ram preventer 
 SFZ 18 - 21 180 21 280 manual single ram preventer 
 SFZ 18 - 35 180 35 425 manual single ram preventer 
 SFZ 18 - 70 180 70 445 manual single ram preventer 
 SFZ 18 - 105 180 105 880 manual single-ram BOP