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AMMT Dual Activated Circulating Valve For Coil Tubing Fishing Tools String

Minimum Order Quantity : 1 set Price : USD 1-10000/set
Packaging Details : Pollywood Delivery Time : 30-50 days
Payment Terms : L/C, T/T, D/P Supply Ability : 10 set/month
Place of Origin: China Brand Name: ZZ TOP OIL TOOLS
Certification: ISO, API Model Number: Dual Activated Circulation Valve

Detail Information

Product: Dual Activated Circulation Valve Application: Downhole Coiled Tubing Operation
Usage: Coiled Tubing Tool String Material: Alloy Steel
Size: 1 11/16" - 3 1/8" Connection: AMMT, PAC
Working Condition: Oil & Gas & H2S Service Delivery: 20-30 Days
High Light:

AMMT Circulating Valve


Dual Activated Circulating Valve


Downhole coil tubing fishing tools

Product Description

Dual Activated Circulation Valve For Coiled Tubing Tool String
The Dual Activated CirculationValve offers the traditional method of returning circulation of the toolstring through use of a drop ball. In addition, the dual activated circulation valve is capable of operating through internal overpressure within the tubing string.  In case that no circulation can be established, a certain pressure shall be built up inside the coiled tubing, and the burst disc will burst when the applied pressure is greater than the
burst pressure so that the circulation is returned.

Conventional dual circulation valves use a burst or rupture disc to return circulation through overpressure. However, the dual-activated circulation valve offers a pressure differential activated piston. The piston activation pressure can be predetermined at the surface through shear pins, offering superior flexibility and considerable savings on redress.
Specification of Dual Activated Circulation Valve


CT Size Max. OD(in) Min. ID Operating Pressure
1 11/16” 1.688” 0.406” 5000psi
1 3/4” 1.750” 0.406” 5000psi
2 1/8” 2.125” 0.625” 5000psi
2 3/8” 2.375” 0.625” 5000psi
2 7/8” 2.875” 0.750” 5000psi
3 1/8” 3.125” 0.750” 5000psi


AMMT Dual Activated Circulating Valve For Coil Tubing Fishing Tools String 0 AMMT Dual Activated Circulating Valve For Coil Tubing Fishing Tools String 1

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