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Drilling tools for top drive
Ø187,Ø197,Ø216
Design Specifications
Operating Parameters








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)


Download PDF :
Ø187,Ø197,Ø216

Note: When ordering or requesting quotation, if size other than above specifications, please specify clearly.



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