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RD safety Circulating Valve is mainly used to seal oil-gas layer when the formation test ends and carry on cycle operation. At the same time, the ball valve of RD relief circulating valve and test valves could trap some formation fluid samples. In downhole operation, this valve will not be closed again after being opened. As a relief valve, the tool can be operated at any one time during the testing progress to blank off the test string. If four circulating ports of RD relief circulating valve is blocked, the valve can be used one-time shut-in valve.
Technical parameter
Specifications/” |
3-7/8” |
5” |
OD (mm) |
99 |
127.5 |
Drift OD (mm) |
45 |
57 |
Total length (mm) |
1883 |
1847 |
Working pressure (Mpa) |
70 |
70 |
Working temperature (°C) |
-29~+177 |
-29~+177 |
Resistance to Tension (KN) |
1147 |
2430 |
Internal Pressure Strength (Mpa) |
107 |
132 |
Outer Pressure Resistance (Mpa) |
90 |
123 |
Torque Strength (KN.m) |
12 |
35 |
Binding Screw Thread |
2-7/8” CAS & 2-7/8” EU |
3-7/8”CAS & 3-1/2” IF |
FYPE Rigid Machinery is one of the leading China manufacturers and suppliers in oil and gas industry. Our company now brings you high quality and competitive price RD safety circulating valve for sale, which is widely used in oilfield. And quick delivery is also offered, please be free to contact our factory.