RD(RDS) Circulating Valve

WP :

 10K/15k

Material :

 Alloy steel/Inconel/

Standard :

 NACE MR0175

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Product introduction:

The rupture disk (RD) safety circulating valve with full bore, ful flu features is a particular tool used in drill stem test(DST) which functions as both a safety valve and circulating valve when the annulus pressure reaches a predetermined value. At that pressure, the valve isolates the work string below the tool and establishes communication between the annulus and the work string above the tool. This tool converts into a circulating valve when the ball valve section is removed.