Choke plug sealing device used for one-way valve of ammonia pump

The utility model discloses a choke plug sealing device used for a one-way valve of an ammonia pump. The choke plug sealing device includes a choke plug, a valve body and a sealing ring. The valve body is provided with a through hole. The bottom end of the valve body is connected with an ammonia pump liquid inlet. The choke plug is arranged on the top end of the through hole of the valve body and is connected with the valve body. The sealing ring is arranged between the bottom end of the choke plug and the valve body. The choke plug sealing device used for one-way valve of the ammonia plump provided by the utility model can be applied to the technical field of urea production. According to the utility model, by coiling a polytef raw material strap outside the sealing ring, technical effect of preventing direct contact of liquid ammonia and a rubber gasket and avoiding rubber gasket ageing are realized. By adopting the choke plug sealing device used for the one-way valve of the ammonia pump, equipment operatio