High-tightness high-pressure pressure controller

The utility model discloses a high-tightness high-pressure pressure controller, and relates to the technical field of pressure controllers. The pressure controller comprises a pressure controller body and a second sealing block, the bottom surface of the pressure controller body is fixedly connected with a first sealing block, the first sealing block is fixedly connected with the second sealing block, and the inner wall of the first sealing block and the inner wall of the second sealing block are fixedly connected with rubber closing blocks. The top surface of the pressure controller body is fixedly connected with an insertion block, and the surface of the insertion block is movably sleeved with a mounting seat. When the pressure controller is connected, corrosive gas or liquid is not easy to leak at the joint of the pressure controller, so that harmful effects on surrounding environment and personnel are avoided, the mounting seat is fixed by the mounting block in advance, the aim of conveniently dismounting