Tubing valve also named tubing cock,and drilling fluid can flow through the valve without pressure drop.This kind of valve is used as the tubing valves and install above tubing to control blowout or to prevent drilling fluid loss when disassemble the tubing.
| Model | OD | ID | Upper End Connection | Lower End Connection | Working Pressure |
| mm(inch) | mm(inch) | API | API | MPa(PSI) | |
| XSY105 | 105(4-1/8) | 40(1-37/64) | 2-7/8UPTBG | 2-7/8UPTBG |
35(5,000) |
| XSY127 | 127(5) | 44.5(1-3/4) | 3-1/2UPTBG | 3-1/2UPTBG | |
| XSY130 | 130(5-1/8) | 50(1-31/32) | 3-1/2UPTBG | 2”1502 Weco | |
| XSY140 | 140(5-1/2) | 50(1-31/32) | 4-1/2UPTBG | 2”1502 Weco |
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