Dual Circulation Valve

Dual Circulation Valve offers the traditional method of returning circulation of the toolstring through use of a drop ball. In addition, the valve is capable of operating through internal over pressure within the tubing string.
Conventional Dual Circulation Valves use a burst or rupture disc to facilitate the function of returning circulation through over pressure. However, the Dual Circulation Valve offers a pressure differential activated piston. The piston activation pressure can be predetermined at surface through shear pins, offering superior flexibility and considerable saving on redress.

Features

1) Simple drop ball design and pressure differential to operate
2) Easy makeup and operate

1. Other sizes are available on request.
2. AMMT, PAC, and other thread connections for selection.
3. STD and H2S service environment for selective. Quote with STD service if not specify.