
(3) Routing the pipe through the bottom (1) Braze item 7 high-pressure pipe to the stop valve so that the dimples on the pipe are parallel to the edge of the cutout hole. Expand the end of the field-supplied pipes, and braze them to item 7 high-pressure pipe. (2) Attach item 1 low-pressure twinning kit to the sheet metal of the control valve with item 3 screw, and braze it to the control valve. (3) Braze item 5 or 6 elbow pipe to the field-supplied pipe first, and then braze it to item 1 low-pre