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The  Circulating Valve is a kind of commonly accessory in downhole string, generally it is used with packer which by means of dropping a ball or differential pressure mode to open the sleeve and achieve circulation function.

 

NORMALLY OPEN VALVE

 

Specification 

Part Number

Max OD.

Min ID.

Ball Diameter

Connection Thread

in

mm

in

mm

in

mm

1260435002

4.006

101.75

1.375

34.93

1.500

38.10

2 7/8" EU

1260445001

4.488

114.00

1.959

49.76

2.125

53.98

3 1/2" EU

Normally Open Valve

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The  Circulating Valve is a kind of commonly accessory in downhole string, generally it is used with packer which by means of dropping a ball or differential pressure mode to open the sleeve and achieve circulation function.

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