Dongying Kaihao Petroleum Equipment Co. Ltd._Arrow type check valve
 
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Arrow type check valve

 

Brief introduction

Arrow Back Pressure Valve: It is an integrated tool which can prevent dowhole kick from blowout, also keep off the blowout accident. Thus reducing mud loss and ensuring a clean rig floor.

Specifications:

Technical Specifications :

Model  

O.D (mm)

I.D   (mm)

Connection thread  

Max sealing pressure  (Mpa)

FJ89

89

33

NC26

35         70

FJ105

105

44

NC31

35         70

FJ121

121

56

NC38

35         70

FJ159

159

70

NC46

35         70

FJ165

165

82

NC50

35         70

FJ168

168

82

NC50

35         70

FJ178

178

82

5-1/2FH

35         70

FJ203

203

82

6-5/8REG

35         70

FJ229

229

82

7-5/8REG

35         70

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