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检查井接管安装
检查井接管安装
Check well nozzle installation
1、检查井井座与管道连接安装顺序，应先从接户管上游段开始安装，以井-管-井-管顺序安装，并逐渐向下游支管，干管延伸。
1. The installation order of the connection between the well and
the pipe should first be installed from the upstream section of the
household pipe, which is installed in the order of well tube - well -
tube, and gradually extends to the downstream branch pipe and the dry
pipe.
2. The construction method of connection between the well seat and
the pipe should be consistent with the construction method of the
connection of the same type of joint.
3、井座与汇入管，排出管连接需要变径，采用异径接头时，当汇入管径小于井座接口管径时，应管顶平接；井座排出管接口大于下游管道时，应管内底平接。
3, well seat and remittance pipe, discharge pipe connection need
variable diameter, when using different diameter joints, when the inlet
pipe diameter is less than the caliper interface pipe diameter, the top
of the pipe should be flat connected; when the outlet pipe interface of
the shaft is larger than the downstream pipe, the inner bottom of the
pipe should be flat