Float Sub

Float Sub
Float Sub
: http://hdddrillpipes.com/1-7-connector/index.html

Float subs are drilling tools that have a body that features a one-way check valve to prevent drilling fluid and particles from flowing backwards during drilling operations.

Specifications
Type Sub O.D (mm) Joint thread Valve O.D (mm) I.D (mm)
FFJT241 241.3 7 5/8 REG ф121 ф76
FFJT228 228.6 7 5/8 REG ф121 ф76
FFJT209 209.6 6 5/8 REG ф121 ф76
FFJT203 203.2 6 5/8 REG ф121 ф71
FFJT178 177.8 4 1/2 IF ф98 ф71
FFJT165 165.2 4 1/2 REG ф88 ф57
FFJT146 146 4 1/2 REG ф88 ф57
FFJT121 121 3 1/2 REG ф61 ф51
FFJT108 108 3 1/2 REG ф61 ф38

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