China Factory Free sample Taper Mill - Arrow Back-Pressure Valve Type JF – Gaofeng Manufacturer and Supplier

Factory Free sample Taper Mill - Arrow Back-Pressure Valve Type JF – Gaofeng

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Arrow Back-Pressure Valve Type JF Model “JF” Arrow Back-Pressure Valve is a sort of pipe inside blowout preventer. It adopts arrow valve structure. It’s directly connected to drill stem, and can prevent high-pressure oil stream from blowing out from drilling tool. Specifications Model O.D. mm (in.) I.D. mm (in.) Length mm (in) Connection JF86 86 (3 3/8) 34 (1 5/16) 400 (15-3/4) NC26 JF105 105 (4 1/8) 45 (1 3/4) 400 (15-3/4) NC31 JF121 121 (4 3/4) 57 (2 1/4) 500 (19-...

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Factory Free sample Taper Mill - Arrow Back-Pressure Valve Type JF – Gaofeng Detail:

Arrow Back-Pressure Valve Type JF

Model “JF” Arrow Back-Pressure Valve is a sort of pipe inside blowout preventer. It adopts arrow valve structure. It’s directly connected to drill stem, and can prevent high-pressure oil stream from blowing out from drilling tool.

Specifications

Model	O.D. mm (in.)	I.D. mm (in.)	Length mm (in)	Connection
JF86	86 (3 3/8)	34 (1 5/16)	400 (15-3/4)	NC26
JF105	105 (4 1/8)	45 (1 3/4)	400 (15-3/4)	NC31
JF121	121 (4 3/4)	57 (2 1/4)	500 (19-11/16)	NC38
JF152	152 (6)	74 (2 15/16)	500 (19-11/16)	NC46
JF162	162 (6 3/8)	83 (3 1/4)	550 (21-5/8)	NC50
JF165	165(6 1/2)	71(2.8)	914(36)	NC50
JF184	184 (7 1/4)	83 (3 1/4)	550 (21-5/8)	5 1/2FH

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