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ADD: No.35, Tangyan Road, High-Tech Zone, Xi'an, China

Post Code: 710075

TEL: 0086 29 89584808


1/4 Stainless Steel Control Line Tubing

1/4 Stainless Steel Control Line Tubing

1/4" stainless steel Control line tubing Our company is Specialized in the providing types of stainless steel coiled tube, stainless steel control line, stainless steel testing cable, stainless steel capillary tube , stainless steel continuous tube, stainless steel seamless tube, stainless...

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Product Details

1/4"stainless steel Control line tubing

1/4" stainless steel control line tube is mainly used for controling the downhole safety valve and bleed valve of packer ,connecting 1/4 "hydraulic control line to downhole safety valve & bleed valve, through the ground pressuring given to control the switch of subsurface safety valve and bleed valve, after processing to the set pressure, subsurface safety valve and bleed valve will be opened at the same time, oil and gas Wells will be in proper production, at the same time, the gas separated by  electric submersible pump can also be discharged by bleed  valve, if encounter with blowout or normal well shut-in, then release the pressure of control line, so as to close the subsurface safety valve and bleed valve, Plugging  the oil and gas well tubing and annulus flow channel to ensures the safety of oil Well, of course, the 1/4 "hydraulic control line can also be used separately for controlling subsurface safety valve, it also can be used for the control of the ground safety valve and other ground pressure control valve, as well as large equipment instrument control systems.

Application fields: 


* Down hole tubes

* Subsea umbilical’s

*  Process constructions 

* General control system

* Steam supply lines

* Gas transport lines

* Instrumentation






   Wall Thickness      (inch)

Working Pressure (MPa)



316L, 304L, incoloy825, incoloy625, Duplex


0.025”, 0.035”, 0.049”



316L, 304L, incoloy825, incoloy625, Duplex


0.035”, 0.049”, 0.065”



316L, 304L, incoloy825, incoloy625, Duplex


0.035”, 0.049”, 0.065”



316L, 304L, incoloy825, incoloy625, Duplex


0.035”, 0.049”, 0.065”



Note: The specification and length per coil can be customized according to customer’s requirements.

Inspection methods:


Eddy current test; Hydrostatic test; Radiographically testing for all orbital joints; Chemical composition; Mechanical properties; Visual inspection; final packing inspection


*Hydrostatic test for each coil and conform to ASTM standards and requested specifications.

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