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The Kelly splash-proof valve is a necessary tool preventing fluid flowing from Kelly to drill floor and keeping the operating environment from being contaminated by fluid when making a connection or Kelly is taken out of hole and discharged off
Technical specifications and parameters..
O.D.(mm) | Length(mm) | Thread Conn.(in) | Spring Load (KN) | Pressure to cut off vale(Map) | Bar moving(mm) | |||
Top | Down | Min | Max | Limit | ||||
165 | 570 | 4 1/2"IF Box | 4 1/2"Pin | 1 | 2.2 | 2.5 | 1 | 30 |
203 | 790 | 5 1/2"FH Box | 5 1/2"Pin | 1 | 2.2 | 2.78 | 1 | 30 |
The Kelly Splash Valve