GOST 17433-80 PDF

Full title and description

GOST 17433-80 — "Industrial purity. Compressed air. Grades of contamination" (Russian: ГОСТ 17433-80 Промышленная чистота. Сжатый воздух. Классы загрязненности). The standard defines quality (contamination) classes for compressed air with quantitative limits for solid particles, liquid water, oil and related parameters for use in pneumatic systems and devices.

Abstract

GOST 17433-80 establishes a set of contamination classes (usually cited as classes 0–14) that specify maximum permissible particle size, mass concentration of foreign matter (mg/m3), liquid water and oil contents and, for certain classes, dew-point requirements. These classes are intended to help select air-treatment equipment and to document required air quality for industrial pneumatic applications; the standard is often compared with or used alongside ISO/DIN compressed-air quality standards.

General information

• Status: Listed as an active/in-force GOST in multiple standards catalogs (though national adoption/withdrawal may vary by country and catalog).
• Publication date: Approved by Gosstandart of the USSR 30 December 1980; effective (date of introduction) 1 January 1981; recorded issue/publication entries show 23 February 1981 in some catalogs.
• Publisher: Gosstandart of the USSR (State Committee for Standards) — original issuing authority.
• ICS / categories: Classified in ambient-atmosphere / air-quality related area (catalog listings show ICS 13.040.20 "Ambient atmospheres").
• Edition / version: Original 1980 edition, cited as GOST 17433-80; amendments/updates recorded (for example Amd. 3/86).
• Number of pages: 5 pages (concise tabular standard).

Scope

The standard applies to compressed air intended for powering pneumatic devices and systems operating at pressures up to approximately 2.5 MPa. It sets classes of contamination by composition and content of foreign matter (solid particles, liquid water and oil) and includes notes on reference conditions (20 °C, 1013.25 hPa) and dew-point requirements for specific classes. The scope is focused on specifying quality levels rather than methods of measurement.

Key topics and requirements

• Definition of contamination classes (typically numbered 0–14) with numerical limits for: maximum particle size (µm), concentration of solid/other foreign matter (mg/m3), oil (mg/m3) and liquid water (mg/m3).
• Classification table showing per-class limits (examples: Class 0 — very stringent: particle size ≤0.5 µm and extremely low contaminant mass; Classes 1–14 progressively allow larger particle sizes and higher contaminant concentrations).
• Dew-point (water vapour) requirements specified for particular classes (for some classes dew point must be at least 10 K below minimum operating temperature; for other classes dew point is not regulated).
• Intended application pressure range (up to ~2.5 MPa) and reference conditions for reporting concentrations (20 °C, 1013.25 hPa).
• Compatibility/relationship notes with regional/international compressed-air quality standards (commonly cross-referenced with ISO 8573-1 classifications in practical use).

Typical use and users

Used by engineers and technicians specifying compressed-air treatment and filtration systems, pneumatic equipment manufacturers, process and maintenance engineers, quality and safety managers in manufacturing (including food, pharmaceutical and electronics where clean/dry air is critical), and testing/calibration laboratories that verify air quality. Also used for procurement/specification of filters, dryers and separators and for documenting required air quality in purchase orders and equipment datasheets.

Related standards

Commonly referenced alongside or compared with ISO/DIN standards for compressed-air quality (for example ISO 8573-1 series). GOST 17433-72 is the predecessor document; related references in national catalogs include measurement and gas handling standards (examples: GOST 2939-63 and other GOSTs on pneumatic equipment and measurement).

Keywords

compressed air, air quality, contamination classes, particles, oil, water, dew point, pneumatic systems, GOST 17433-80, industrial purity

FAQ

Q: What is this standard?

A: GOST 17433-80 is a short national standard that defines contamination (quality) classes for compressed air used in industrial/pneumatic systems, giving numeric limits for particles, oil and liquid water.

Q: What does it cover?

A: It covers classification of compressed-air quality (classes 0–14), specifying maximum particle sizes and maximum concentrations (mg/m3) of solid/other foreign matter, liquid water and oil, and gives dew-point requirements for certain classes; it does not prescribe detailed measurement procedures within the text (those are handled by measurement standards).

Q: Who typically uses it?

A: Equipment manufacturers, compressed-air system designers, maintenance and reliability teams, procurement/specification engineers, and laboratories that verify or certify compressed-air quality. It is especially useful where documented air quality classes are required (e.g., instrumentation, food/pharma, electronics).

Q: Is it current or superseded?

A: The document is widely listed in standards catalogs as GOST 17433-80 (approved 30 Dec 1980, in force from 1 Jan 1981). National adoption/status can vary by country and catalog (some bodies may maintain it, others may prefer or reference ISO 8573 series); check the applicable national standards registry for current legal status in your jurisdiction.

Q: Is it part of a series?

A: It is a standalone classification-type standard for compressed-air contamination classes but is commonly used with other GOSTs and measurement/handling standards; practitioners often cross-reference it with ISO 8573-1 when aligning international requirements.

Q: What are the key keywords?

A: Compressed air, contamination class, particles, oil content, water content, dew point, pneumatic systems, air purity.