The levels indicated in Table E.1 may be characterized as follows:
表 E.1 所示等级的特点如下：
Level 1 is typically used for pumps in general services;
1 级通常用于一般工况中的泵；
Level 2 comprises performance and material requirements and is more stringent than Level 1;
第 2 级包括性能和材料要求，比第 1 级更为严格；
Level 3 items are considered for pumps in critical services.
第 3 级用于关键服务中的泵。
The required inspection shThe levels indicated in Table E.1 may be characterized as follows:
表 E.1 所示等级的特点如下：
Level 1 is typically used for pumps in general services;
1 级通常用于一般工况中的泵；
Level 2 comprises performance and material requirements and is more stringent than Level 1;
第 2 级包括性能和材料要求，比第 1 级更为严格；
Level 3 items are considered for pumps in crit
ical services.
第 3 级用于关键服务中的泵。
The required inspection shall be indicated in the first column as follows.
所需的检查应在第一栏中注明如下。
C: Certification only.证书要求
O: Observed inspection.观察检查
W: Witnessed inspection.见证检查
Table E.1—Inspector's checklist
表E.1—检查者的检查清单
all be indicated in the first column as follows.
所需的检查应在第一栏中注明如下。
C: Certification only.证书要求
O: Observed inspection.观察检查
W: Witnessed inspection.见证检查
==Table E.1—Inspector's checklist==
==表E.1—检查者的检查清单==
