GB/T 3216-2005 in English

《GB/T 3216-2005回转动力泵 水力性能验收试验 1级和2级》由TC211（全国泵标准化技术委员会）归口，主管部门为中国机械工业联合会。
本标准规定了回转动力泵(离心泵、混流泵和轴流泵)的水力性能验收试验。它适用于任何尺寸的泵和任何性质如同清洁冷水(如5.4.5.2中所定义的)的输送液体。本标准既不涉及泵的具体结构细节，也与泵组成件的机械性能无关。本标准包括两种测量精度等级：1级用于较高的精度，2级用于较低的精度。这些等级包含不同的容差系数值、容许波动值和测量不确定度值。

Scope

This standard specifies the hydraulic performance acceptance test of rotary power pumps (centrifugal pumps, mixed flow pumps and axial flow pumps, hereinafter referred to as "pumps"). It is suitable for use with pumps of any size and of any nature to convey liquids such as clean cold water (as defined in 5.4.5.2). This standard does not deal with the specific construction details of the pump, nor is it concerned with the mechanical properties of the pump components. This standard includes two measurement accuracy classes; class 1 for higher accuracy and class 2 for lower accuracy. These classes contain different values for tolerance coefficients, permissible fluctuations and measurement uncertainties. For mass-produced pumps with a selection of typical performance curves and pumps with input power below 10kW, see Appendix C for higher tolerance factors. This standard applies both to the pump itself without any piping accessories and to pump assemblies connected to all or part of the upstream and/or downstream piping accessories.