顶部驱动阀用于顶驱钻井装置上，可分为顶驱上旋塞阀和顶驱下旋塞阀两种，它们是与顶驱系统配套使用的一种控制阀，通常情况下两个阀串接与顶部驱动钻井装置上。该阀可承受来自上、下两方向的高压。其工作压力可达10,000psi 或15,000psi。阀体内腔及零件均经过特殊的防腐处理，延长了使用寿命。
IBOP for Top Drive（Upper/Lower Safety Valves）
IBOP for Top Drive used for top drive system. It includes Upper IBOP for Top Drive and Lower IBOP for
Top Drive. They are used for top drive drilling system with jointed one by one.
The seals for upward and downward pressure provide dependable high-pressure service. It has a pressure rating of 10,000psi or 15,000psi respectively at the factory. The bore
of the valve body and all internal parts are special treated to prevent damage from corrosion and h***e a
long life service.
顶部驱动器技术参数：
The Specification of Top Drive（Upper/Lower Safety Valves）
|
型号Type |
外径 O.D. mm (inch) |
内径I.D. mm (inch) |
连接螺纹 Connection API |
总长 Overall Length mm (inch) |
|
DXS187 顶驱上阀 Upper IBOP |
187 （7 23/64） |
77.8 (3 1/16) |
6 5/8REG |
572(22 1/2) |
|
DXS187 顶驱下阀 Lower IBOP |
523(20 19/32) |
|||
|
DXS197 顶驱上阀 Upper IBOP |
197 (7 3/4) |
77.8 (3 1/16) |
6 5/8REG |
572 (22 1/2) |
|
DXS197 顶驱下阀 Lower IBOP |
523(20 19/32) |
|||
|
DXS216 顶驱上阀 Upper IBOP |
216 (8 1/2) |
77.8 (3 1/16) |
7 5/8REG |
600(25 5/8) |
|
DXS216 顶驱下阀 Lower IBOP |
512(20 5/32) |
|||
|
DXS254 顶驱上阀 Upper IBOP |
254 (10) |
102 (4) |
8 5/8REG |
800 (31 1/2) |