GB/T 5662-2013End-suction centrifugal pumps(rating 16 bar) - Designation, nominal duty point and dimensions (English PDF)

1 Scope

This standard specifies the axial suction centrifugal pump (hereinafter referred to as the pump) marks, performance and size, hydrostatic test.

This standard applies to the maximum working pressure rating of 1.6MPa pump.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein

Member. For undated references, the latest edition (including any amendments) applies to this document.

Part 1 GB/T 7306.1 55 ° sealing pipe thread. inner cylindrical thread and taper external thread

Part 2 GB/T 7306.2 55 ° sealing pipe thread. inner Taper internal and external threads

3 Mark

The pump consists of three parts marked numbers, the first portion represents inlet diameter, the second diameter of the outlet portion showing the third part represents

Impeller nominal diameter.

Example.

Suction diameter 80mm, discharge port diameter 50mm, 250mm nominal diameter impeller pumps marked 80-50-250.

4 performance and size

5 hydrostatic test

Hydrostatic test pressure shall be 1.5 times the working pressure, but not more than 2.4MPa. Cold and hot pressure test working pressure off

Department of supply-side and demand-side should be mutually agreed.