GB/T 39956.1-2021Pneumatic Electric-Pneumatic Pressure Control Valve - Part 1: Main Features to be Included in Commercial Documents (English PDF)

1 Scope

This document specifies the main characteristics of electro-pneumatic pressure control valves that should be included in commercial documents.

According to ISO 5598, the control valve includes.

---Electrically modulated pneumatic proportional pressure valve;

---Pressure proportional control valve;

---Pressure servo valve (closed loop).

Note 1.The characteristics of non-electrically modulated pneumatic pressure control valves are specified in ISO 6953-1.

Note 2.The characteristics of electric-pneumatic flow control valves are specified in ISO 10041-1.

Note 3.This document applies to components with a vent to the atmosphere.

2 Normative references

The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations

Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to

This document.

GB/T 39956.2-2021 Pneumatic electro-pneumatic pressure control valve Part 2.Evaluation of the main characteristics that should be included in the business document

Test method (ISO 10094-2.2010, IDT)

ISO 5598 Fluid power systems and components-Vocabulary (Fluidpowersystemsandcomponents-Vocabulary)

ISO 6953-1 Pneumatic pressure reducing valve and filter pressure reducing valve Part 1.Main characteristics and product identification to be included in commercial documents

Requirements (Pneumaticfluidpower-Compressedairpressureregulatorsandfilter-regulators-Part 1.Main characteristicstobeincludedinliteraturefromsuppliersandproduct-markingrequirements)

3 Terms and definitions

The following terms and definitions defined by ISO 5598 and ISO 6953-1 apply to this document.