SHANDONG SAIGAO GROUP CORPORATION
SHANDONG SAIGAO GROUP CORPORATION
  • Arrow Type Check Valve

Arrow Type Check Valve

Arrow type check valve (drilling tool check valve) is a kind of important inside blowout tool, usually used in the oil and gas drilling and workover operation. It works with drilling tools enter into the well, during the process of drilling and workover in case of overflow, well kick, or positive circulation stops, the arrow type check valve will shut down rapidly under the action of reverse circulation pressure inside drill tools and spring force, cut off the inner channel of drilling tools, to prevent blowout purpose in the drilling tools.


Technical Specification of Arrow Type Check Valve

Model

OD

ID

Connection

Working Pressure


mm (inch)

mm (inch)

API

MPa (PSI)

FJ78

78 (3-1/16)

25.4(1)

2-3/8EUE


FJ79

79 (3-1/8)

25.4(1)

2-7/8 HT PAC

35

FJ86

86 (3-3/8)

25.4(1)

NC26

(5,000)

FJ93

93 (3-43/64)

25.4(1)

2-7/8EUE


FJ105

104.8 (4-1/8)

41.3 (1-5/8)

NC31


FJ111

111 (4-3/8)

41.3(1-5/8)

NC31


FJ114

114(4-1/2)

41.3(1-5/8)

3-1/2EUE


FJ121

121 (4-3/4)

54 (2-1/8)

NC38


FJ124

124 (4-7/8)

50.8 (2)

HT38


FJ127

127 (5)

54 (2-1/8)

NC38


FJ141

141 (5-9/16)

54 (2-1/8)

4-1/2EUE

35 〜70

(5,000- 10,000)

FJ159

159 (6-1/4)

70(2-3/4)

NC46


FJ165

165 (6-1/2)

70(2-3/4)

NC50


FJ168

168 (6 5/8)

70(2-3/4)

NC50


FJ178

178 (7)

70(2-3/4)

5-1/2FH


FJ184

184 (7-1/4)

71.4(2-13/16)

XT54


FJ203

203 (8)

71.4(2-13/16)

6-5/8REG


FJ209

209 (8-1/4)

70(2-3/4)

6-5/8REG


FJ229

229 (9)

76.2(3)

7-5/8REG



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