... same model the mold, Left side of the hot plate lays aside the concave shape mold, Right margin lays ... ×40 the screw fixes in the circular telegram hot plate, 4.the circular telegram heats up, Might adjust ... operates.5.When the hot plate green light is bright is the operation, When fitting and tubing melting, 6.Through ... 4029110109±0.40108.7±0.4032.5 PPR Pipe Welding Machine for plastic pipe and fittings