Turn swing check valve anti-clockwise to reduce the pressure (not more than drag pressure)
and turn swing check valve in clockwise direction to the end.
Press the button “T
2
” , the soaking time begins to count and the time will count down to zero
by second, then the buzzer will buzz（see section 7）
3.4.6 Joining and cooling
Open the frame and take out the heating plate and close two melting ends as quickly as
possible.
Keep the bar of direction valve on the close position for 2~3 minutes, put the bar of direction
valve on middle position and press the button (“T5”) to count cooling time until it is over. At
this point, the machine will give an alarm again. Relief the pressure, loose the screw of clamps
and then take out the jointed pipes.
Common welding Sketch
Short flange&Pipe fitting
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