CAUTION: All valve connectors and connecting pipe should be inspected for any breaking, chipping, gouging or other visible damage before proceeding.All joining components must be clean and dry.

• 注意：所有阀体带固定承插连接端口的阀门必须安装在开阔的地方，使得粘固剂蒸汽能够顺畅蒸发而不会损坏内部部件。