GOST R ISO 27895-2013 PDF

Full title and description

GOST R ISO 27895-2013 (ГОСТ Р ИСО 27895-2013) — Vacuum technology. Valves. Leak test. This national adoption of the ISO document specifies terminology and test methods for leak testing vacuum valves and for assessment of valve body hermeticity in vacuum systems.

Abstract

The standard sets out methods to perform leak tests on vacuum valves used to regulate gas flow or pressure in vacuum systems. It defines leak-rate limits for closed valves, test conditions, inspection of valve bodies and the form and content of test reports. The standard is intended to verify that valves meet the manufacturer's declared leakage characteristics (example acceptance level: ≤ 1·10⁻⁵ Pa·m³/s for closed valves).

General information

• Status: Current / Active (national adoption in force).
• Publication date: Approved 31 October 2013; introduced (date of enforcement) 1 July 2014.
• Publisher: Approved by the Federal Agency on Technical Regulating and Metrology (Rosstandart); published commercially by national standards publishers (e.g., Standartinform / Interstandard listings).
• ICS / categories: 23.160 (Vacuum technology).
• Edition / version: GOST R ISO 27895-2013 (first Russian adoption; identical in technical content to ISO 27895:2009).
• Number of pages: 16 pages (typical PDF edition).

Scope

The standard applies to vacuum valves used to regulate flow or pressure in vacuum installations. It covers methods for determining valve leak tightness in the closed position (targeting valves whose closed leak rate does not exceed the order of 1·10⁻⁵ Pa·m³/s), and also includes procedures to check the hermeticity of the valve body. Methods described are intended for verifying conformity with the leakage performance declared by the valve manufacturer and for routine and type testing.

Key topics and requirements

• Definitions and terms specific to vacuum-valve leak testing.
• Specified leak-rate acceptance levels for closed valves (examples and application guidance, e.g., ≤ 1·10⁻⁵ Pa·m³/s where applicable).
• Described test methods (pressure-rise, tracer-gas, and other accepted leak-detection techniques as applicable to vacuum valves).
• Requirements for test equipment, calibration, environmental/test conditions and test preparation (mounting, sealing, evacuation procedures).
• Procedures to assess valve-body hermeticity separately from seat/closure leak paths.
• Reporting format and required information for test reports, including test conditions, measured leak rates and pass/fail evaluation relative to declared values.

Typical use and users

This standard is used by vacuum equipment and valve manufacturers for design verification and production testing, by independent test laboratories performing type and acceptance tests, by quality and R&D engineers validating valve performance, and by procurement and maintenance teams who evaluate or accept vacuum valves for industrial, research or semiconductor vacuum systems.

Related standards

National adoption is technically identical to ISO 27895:2009 (Vacuum technology — Valves — Leak test). Users will frequently consult other documents in the vacuum-technology ICS 23.160 family and vendor-specific specifications when developing test programs.

Keywords

vacuum technology; valves; leak test; hermeticity; leak rate; valve testing; vacuum valves; acceptance testing; tracer-gas; pressure-rise.

FAQ

Q: What is this standard?

A: GOST R ISO 27895-2013 is the Russian national adoption of an ISO standard that defines methods and requirements for leak testing vacuum valves and assessing valve-body hermeticity.

Q: What does it cover?

A: It covers test methods, acceptance criteria (typical closed-valve leak-rate limits), test equipment and conditions, and required test-report content for vacuum valves used to regulate gas flow or pressure in vacuum systems.

Q: Who typically uses it?

A: Valve manufacturers, independent test laboratories, quality and R&D engineers, maintenance teams and purchasers of vacuum components.

Q: Is it current or superseded?

A: The GOST R adoption (GOST R ISO 27895-2013) was approved on 31 October 2013 and introduced on 1 July 2014; sources list it as current/active in national collections. Users should verify whether a later national revision or a newer international edition exists before relying on it for new designs.

Q: Is it part of a series?

A: It belongs to the vacuum-technology group of standards (ICS 23.160). It is the national adoption of ISO 27895 and is typically used alongside other vacuum-technology standards and vendor specifications.

Q: What are the key keywords?

A: Vacuum technology; valves; leak test; leak rate; hermeticity; valve testing; acceptance criteria.