Upper/Lower kelly valves | 3-3/8" ~ 8",35Mpa ~ 105Mpa, |
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Arrow type check valves | 4-3/4" ~ 8", |
Inside BOP valves | 3-1/2" ~ 5-1/2",35Mpa ~ 105Mpa, |
Drop-in check valves | 4-3/4" ~ 9", |
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