Main Products: Floating Valve ,Hydraulic Pressure Damping Load ,Oil Pressure Tapered Stabilizer ,Adjustable Tapered Stabilizer ,Integral Screw Stabilizer
High quality API standard Arrow Check Valve(Back pressure valve)
USD $1 - $1,000 /Piece
Min.Order:1 Piece
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Dongying Nera Petroleum Mechanical Manufacture Co., Ltd.
Business Type: Manufacturer,Trading Company
Shandong ChinaMain Products: Floating Valve ,Hydraulic Pressure Damping Load ,Oil Pressure Tapered Stabilizer ,Adjustable Tapered Stabilizer ,Integral Screw StabilizerProduct Details
1. Descriptions:
Arrow Type Check Valve used to be installed between drill stem and bit to prevent drilling fluid backflow from the bottom. 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. When Arrow falls on the down seat, the circulating of drilling fluid can flow through the valve without pressure loss.
2. Specifications:
Type | O.D.(mm) | Connection | I.D.(mm) | Working Pressure(MPa) |
FJ229 | 229 | 7 5/8 REG | 82 | 70(35) |
FJ203 | 203 | 6 5/8 REG | 82 | 70(35) |
FJ178 | 178 | 5 1/2 FH | 82 | 70(35) |
FJ168 | 168 | NC50 | 82 | 70(35) |
FJ165 | 165 | NC50 | 82 | 70(35) |
FJ159 | 159 | NC46 | 70 | 70(35) |
FJ121 | 121 | NC38 | 56 | 70(35) |
FJ105 | 105 | NC31 | 44 | 70(35) |
FJ89 | 89 | NC26 | 33 | 70(35 |
3. Certificates:
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