api arrow check valve
group nameDownhole Tools
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Min Order1 piece
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update timeMon, 08 Apr 2013 00:31:26 GMT
Paramtents
Processing Type Casting
Machine Type Drilling Equipment
Type Arrow type check valve
Use Well Drilling
Certification API
Material alloy steel
Packging & Delivery
Min Order1 piece
Briefing
installed between drill stem and bit, is for preventing drilling fluid backflow from the bottom.
Detailed
check valve:
installed between drill stem and bit, is for preventing drilling fluid backflow from the bottom.
check valve
1.type arrow check valve, installed between drill stem and bit, is for preventing drilling fluid backflow from the bottom.
2.The body is a crossover sub in which the other parts are installed. When backflow occurring, the arrow will press to valve seat so that the fluid can not flow upwards through the valve.
3.When arrow falls on the down seat, the circulating of drilling fluid can flow through the valve without pressure loss.
