Model LXF continuous circulating valve is a kind of key tools used in continuous circulating well-drilling technology. The purpose is to solve a series of problems under the well caused by annulus pressure fluctuation due to the stop/start the circulation when unloading a single column during the well-drilling and stripping-in process.
Specifications
| MODEL | TOOL O.D
MM(IN) |
LENGTH
MM |
WATER HOLE DIAMETER
MM(IN) |
CONNECTION | MAX. WORKING LOAD
KN(1BF) |
| LXF133 | 133.4(5 1/4) | 680 | 50(2) | NC38 | 1722(387000) |
| LXF178 | 178(7) | 760 | 71.4(2 3/4) | NC50 | 2828(636000) |
| LXF203 | 203 (8) | 760 | 71.4(2 3/4) | NC50 | 2852(640000) |
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