SinoPetroTech supplies pipe-joints(hinges) covering over a dozen specifications which are capable of working under different situations, like normal-temperature, low temperature and sulfurous gas. The hinges can reach full rotation of 360° either in one or two or three directions,

HIGH PRESSURE SWIVEL JOINTS / HIGH PRESSURE STRAIGHT PIPE / PLUG VALVE / CHECK VALVE / SAFETY VALVE
All hinges are made of high-quality carbon steel and alloy steel with special technique process.
They are capable of working stably under different load case of 30mpa, 40mpa, 70mpa, 105mpa.
They cover over a dozen specifications which are capable of working under different situations, like normal-temperature, low temperature and sulfurous gas.
The hinges can reach full rotation of 360° either in one or two or three directions,
Product features:
1. Two or three rows of bearing balls are put in the hardening treated tube, which can effectively improve the load case.
2. Special techniques are used to make sure that the outer shell is thicker than the inner shell, which makes the hinge more durable and works longer.
3. The connection openings are treated with reliable sealings which can handle all flow running speed.
4. Union connection makes it fast and reliable.