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Choke Valve
INSIDE BOPDrill-tool check Valve
- Type:Choke Valve
- CAS No:
- Qty in 20' FCL:
- Min. Order:
- Packaging:
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Item
Component
Qty
Material
1
Body
1
8270
2
Valve Core
1
410
3
O-Ring
2
NBR
4
Seat
1
304
5
Adapter Body
1
8720
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Drill-tool check Valve is a main Blowout prevent tool in drill tool and should be classified into four kinds according to its structure, i.e. arrow back pressure valve,Ball check valve, Butterfly check valve(FD and Drop-in check valve.
Arrow-Shaped check valve
The arrow-shaped check valve is one of inner blowout prevent tools that are commonly used in gas drill and repairing well, and is a kind of in-string blowout prevent back pressure valve accompanying the drill entering well,once well-leakage and well blowout happen, it can automatically and quickly shut the bore of valve by the upper inverse circulation pressure and plug the waterway of string so as to avoid the blowout and ensure the safety of
