XI 'AN ZZ TOP OIL TOOLS CO.,LTD
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Pump Through Rupture Disc Safety Circulating Valve /PT-RD Safety Circulating Valve
The Pump Through Rupture Disc Safety Circulating Vavle is a pump through Rupture disk controlled safety valve and Circulating Valve, a single cycle safety valve for end of test operations as a shut off tool.
The PT-RD Safety Circulating valve can be converted to a PT-RD safety valve if the circulating ports removed, or remove the valve mechanism and add the circulating ports can be converted to a circulating valve.
If the PT-RD Safety Circulating valve is placed above the gauge carrier, it also acts as a backup shut in tool for the final shut-in, minimizing wellbore storage during final pressure build up.
Technical parameter of PT-RD Safety Circulating Valve
| Size | 127.5mm(5”) | ||||||||||||||||||||||||||||||||
| ID | 57mm | ||||||||||||||||||||||||||||||||
| Length | 1413mm | ||||||||||||||||||||||||||||||||
| Working Pressure | 105Mpa | ||||||||||||||||||||||||||||||||
| Internal Pressure Strength | 149Mpa | ||||||||||||||||||||||||||||||||
| External Pressure Strength | 138Mpa | ||||||||||||||||||||||||||||||||
| Tensile Strength | 2431KN | ||||||||||||||||||||||||||||||||
| Torque Strength | 70KN.M | ||||||||||||||||||||||||||||||||
| Single Shear pin Value | 5.2±0.3Mpa | ||||||||||||||||||||||||||||||||
| Shear Pin Qty. Max. | 18pcs | ||||||||||||||||||||||||||||||||
| Working Temperature | -29oC~204oC | ||||||||||||||||||||||||||||||||
| Service | H2S NACE MR0175 above 175F | ||||||||||||||||||||||||||||||||
| Connection Thread | 3 1/2” IF BXP 3 7/8” CAS BXP | ||||||||||||||||||||||||||||||||
