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>> products >> Drilling Tools >> Valve
 
product name: Drop-in check valve
Description:
Drop-in check valves prevent return flow during a kick and are suitable for most drilling situations in which return flow through the drill string is a risk and normal operation the drill pipe, but allowing fluid to be pumped downward to circulate the well, the valves provide the driller with the means to control the drill pipe pressures when required, significantly improving and simplifying we control.
   Specification
Specification--- drop-in check valve
 
 
Type
Stop Ring I.D.
(mm)
   Joint
Check Valve Assembly
Working Pressure
(Mpa)
Connection
 O. D
(mm)
 I.D
(mm)
Length
(mm)
O.D
(mm)
I.D
(mm)
FT89
30
89
35
335
33
8
35     70
NC26
FT105
33
105
38
350
36
10
35     70
NC31
FT121
50
121
56
395
54
18
35     70
NC38
FT159
54
159
60
435
58
23
35     70
NC50
FT168
64
168
70
435
68
33
35     70
NC50
FT178
64
178
70
515
68
33
35     70
5-1/2FH
FT203
64
203
70
620
68
33
35     70
6-5/8REG
 
 
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