Design Specifications
Top drive valve is used for top drive drilling device. It can be divided two types: one is top drive upper valve; the other is top drive lower valve. They are used with the top drive system as the control valve, normally the two valves connected with the top drive drilling device. The valve can undergo the high pressure from the upward and downward. The working pressure is 10,000 or 15,000psi. All internal parts in the valve body are treated by corrosion and increase the run life.
型号 Type | 外径 O.D mm(inch) | 内径 I.D mm(inch) | 连接螺纹 CONNECTION | 总长度 mm(inch) OVERALL LENGTH |
DSS187 顶驱上阀 Upper IBOP |
187 （7 23/64） |
77.8 (3 1/16) | 6 5/8REG BOX 6 5/8REG BOX | 572 (22 1/2) |
DSS187 顶驱下阀 Lower IBOP | 6 5/8REG BOX 6 5/8REG PIN | 523 (20 19/32) |
DSS197 顶驱上阀 Upper IBOP |
197 （7-3/4） |
77.8 （3-1/16） | 6-5/8REG | 572 (22-1/2) |
DSS197 顶驱下阀 Lower IBOP | 6-5/8REG | 523 (20-19/32) |
DSS216 顶驱上阀 Upper IBOP |
216 （8-1/2） |
77.8 （3-1/16） | 7-5/8REG | 600 (25-5/8) |
DSS216 顶驱下阀 Lower IBOP | 7-5/8REG | 512 (20-5/32) |
In China
:
