Valve bonnet fastening clamp

The utility model discloses a valve deck fastening clamp which comprises a clamp body, the clamp body is in a long-strip oval shape and comprises two symmetrical half clamps, and threaded holes are formed in the two ends of each half clamp. M24 threaded holes are machined in the end face of one side of the clamp body, the positions and the number of the M24 threaded holes are consistent with thoseof screw holes in a valve deck flange, M24 jackscrews are installed in the M24 threaded holes, and the jackscrews abut against the protruding face of a valve deck fastening bolt. The leakage stoppagedevice has the advantages that leakage stoppage is conducted on a leakage point of equipment under the condition that the equipment operates normally, normal operation of the equipment and a production system is guaranteed, the structure is simple, cost is low, and machining is convenient. 本实用新型公开了一种阀门阀盖紧固夹具，包括夹具本体，所述夹具本体为长条椭圆形，所述夹具本体包括对称的两部分半夹具，每部分所述半夹具的两端部均设有螺纹孔；所述夹具本体一侧端面上加工有M24螺纹孔，M24螺纹孔的位置和数量与阀盖法兰上的螺孔一致，所述M24螺纹孔安装有M2