The utility model relates to a flexible pipe of stainless steel for spike agent is poured into into, including nonrust steel pipe I and nonrust steel pipe II, the one end of nonrust steel pipe I is equipped with the connecting piece body, nonrust steel pipe II inserts the connecting piece is internal to realize sealing connection through O type circle, clamping ring and connecting piece lid, tip that nonrust steel pipe I and nonrust steel pipe II were kept away from each other do not is equipped with the hold -carrying orchid, the high -speed joint with spike agent generator soft breeze tubing track agent filling opening is realized respectively to the hold -carrying orchid. The utility model discloses guaranteed that the smooth, safe of high efficiency filter and iodine adsorber field test goes on to guaranteeing to reduce the trunking loss to the spike agent when sealed nothing leakage is injected into in the spike agent.