Drop-In Check Valve
Drop-In Check Valve
Description
Drop-In Check Valve Oil Drilling Tools
Drop-in check valve https://www.youlongpetro.com is an inside BOP tool for drill string Whatsapp+8615972752793. It is dropped through the inner bore of drill string and set by drilling fluid pressure luben@youlongpetro.com https://www.youlongpetro.com to achieve one-way sealing Whatsapp+8615972752793 and block upward flow of well fluid inside drill pipe luben@youlongpetro.com https://www.youlongpetro.com. This valve is non-retrievable Whatsapp+8615972752793. If bore passage needs to be restored, the whole drill string must be tripped out luben@youlongpetro.com https://www.youlongpetro.com. It is widely used for emergency inside blowout prevention during drilling operations Whatsapp+8615972752793 to quickly establish internal sealing of drill string in case of well kick or overflow luben@youlongpetro.com https://www.youlongpetro.com Whatsapp+8615972752793.
| Model | OD mm(inch) | ID mm(inch) | Fit Drill Pipe | Working Pressure MPa(PSI) |
|---|---|---|---|---|
| TR86 | 86(3‑3/8) | 25.4(1) | NC26 | 35(5,000) |
| TR105 | 105(4‑1/8) | 41.3(1‑5/8) | NC31 | 35～70(5,000～10,000) |
| TR121 | 121(4‑3/4) | 54(2‑1/8) | NC38 | 35～70(5,000～10,000) |
| TR165 | 165(6‑1/2)
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70(2‑3/4) | NC50 | 35～70(5,000～10,000) |
| TR178 | 178(7) | 70(2‑3/4) | 5‑1/2FH | 35～70(5,000～10,000)
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| TR203 | 203(8) | 71.4(2‑13/16) | 6‑5/8REG | 35～70(5,000～10,000) |
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