GB/T 20081.2-2021 Pneumatic fluid power—Compressed air pressure regulators and filter-regulators—Part 2:Test methods to determine the main characteristics to be included in literature from suppliers
GB/T 20081.2-2021 Pneumatic fluid power—Compressed air pressure regulators and filter-regulators—Part 2:Test methods to determine the main characteristics to be included in literature from suppliers
Basic Information
Scope
This document specifies the test items, test procedures, and methods of presenting test results for pneumatic pressure-reducing valves and filter pressure-reducing valves in commercial documents according to GB/T 20081.1.
The purpose of this document is to:
——Standardize the test procedures and methods of presenting test results, so that the performance comparison between different pressure-reducing valves and filter pressure-reducing valves can be simple and clear;
——Help to rationally apply pressure-reducing valves and filter pressure-reducing valves in pneumatic systems.
The test items specified in this document are for comparison among different pneumatic pressure-reducing valves and filter pressure-reducing valves, rather than for conducting production inspections on every manufactured pneumatic pressure-reducing valve and filter pressure-reducing valve.
Note 1: The related tests for electro-pneumatic pressure control valves are specified in ISO 10094-2.
Note 2: Another dynamic test method for test flow is specified in ISO 6953-3. This method uses an isothermal gas tank instead of a flow meter, and it is only suitable for testing the decreasing part of the hysteresis curve of forward flow and overflow flow characteristics.