JKF-159 H valve embouchure powder quantitative packaging machine by not synchronous double helix to crowded gas, when achieving the compression pressure than the valve open after feeding into the spiral, finally by feeding spiral into bags of form within, completely can achieve material package full density, the mouth bulge bag device to avoid the dust pollution, mainly in density slightly small, volume slightly big, particle diameter in D98 20 μ m-5 μ m powders design, USES frequency conversion speed adjustment, electronic automatic measurement technology, by PLC program control, man-machine interface operation, full automatic operation, with fast packaging, accuracy in measuring, no dust etc. Characteristics. Widely used in precipitated silica, pigment carbon black, modified talcum powder, light nano calcium, activation modification and powder