GOST 9702-87 PDF

Full title and description

GOST 9702-87 — "Краны конусные и шаровые. Основные параметры" (Conical and ball valves — Basic parameters). The standard specifies the basic parameters, types and principal dimensional and performance limits for industrial conical (plug) and ball shut-off valves used in pipeline systems.

Abstract

This national standard defines the main parameters (nominal diameters, nominal pressures, temperature ranges, connection types, mass limits and related classification) for conical (plug) and ball valves intended for industrial piping. It establishes the range of application, exclusions (for example — non‑metallic, lined and certain sanitary valves) and references normative documents used to determine testing and classification.

General information

• Status: Active (Действует).
• Publication date: Entered into force 01 January 1988; approved by Gosstandart (decision) 17 February 1987.
• Publisher: State Committee for Standards of the USSR (Gosstandart) — original approval; later reprints/editions available from national standards publishers (e.g., Standartinform and commercial standards distributors).
• ICS / categories: 23.060.20 (Ball and plug valves / valves in general — valves classification).
• Edition / version: Designation GOST 9702-87 (original 1987 adoption; registered/entered into force 1988); later reprints/editions noted (last documented reissue/edit record shown 2005 in some catalogs).
• Number of pages: 11 pages (typical PDF/printed edition).

Scope

Applies to industrial pipeline shut‑off valves of conical (plug) and ball types with a wide range of nominal diameters and pressure classes. Typical documented application ranges cover nominal pressures from about 0.1 to 32 MPa (1 to 320 kgf/cm²), nominal diameters from a few millimetres up to ~1400 mm, and working‑medium temperatures from deep subzero to several hundred degrees Celsius (examples cited up to ≈ +530 °C in normative text). The standard does not apply to non‑metallic, specially lined or purely sanitary valve types.

Key topics and requirements

• Classification and basic parameters for conical (plug) and ball shut‑off valves (nominal diameter, nominal pressure, temperature limits, connection types — flanged, threaded, butt‑welded, etc.).
• Tables of dimensional and mass limits for various pressure/diameter combinations (reference tables for designers and manufacturers).
• Limits of applicability and exclusions (non‑metallic valves, lined valves, sanitary fittings are excluded from this standard).
• Reference normative documents and standards for terminology, climatic categories, tightness and testing (normative references such as other GOSTs cited in the standard).
• Principal requirements used for procurement specifications, type selection and interchangeability checks (basic parameters to be declared in technical documentation and certificates).

Key technical content and tables are given in the body of the standard; normative references and conformity clauses direct users to related GOSTs for tests and terminology.

Typical use and users

Manufacturers of pipeline valves, engineering designers and constructors of piping systems (oil & gas, chemical, power generation, municipal and industrial utilities), procurement/specification teams, test laboratories and certification bodies in countries using GOST standards (CIS and some neighbouring markets). The standard is used to set basic technical parameters in tender documents, drawings and technical passports for valves.

Related standards

Commonly referenced alongside other GOSTs and normative documents for valve design and testing, for example: GOST 24856 (pipeline valve terminology), GOST 15150 (climatic design categories), GOST 9544 (valve tightness norms) and related GOSTs governing shut‑off valves and their basic parameters (e.g., GOST 9697‑87 / 9698‑86 series and others cited in normative references).

Keywords

GOST 9702-87; conical valve; plug valve; ball valve; shut‑off valve; basic parameters; nominal pressure; nominal diameter; valve dimensions; valve masses; pipeline valves; valve classification; ОКС 23.060.20.

FAQ

Q: What is this standard?

A: GOST 9702-87 is a national (USSR/Russian) standard titled "Краны конусные и шаровые. Основные параметры" that establishes the basic parameters and classification for conical (plug) and ball shut‑off valves.

Q: What does it cover?

A: It covers principal dimensional and performance limits — nominal diameters, nominal pressures, working temperature ranges, typical connection types, mass/dimensional tables and exclusions (non‑metallic/lined/sanitary valves), plus references to tests and related normative documents.

Q: Who typically uses it?

A: Valve manufacturers, piping system designers, procurement/specification teams, test labs and conformity assessment bodies in markets that apply GOST standards (primarily CIS countries and organizations working with Russian‑language technical documentation).

Q: Is it current or superseded?

A: Catalogs and standards distributors list GOST 9702-87 as active (Действует) in their records; editions and reprints exist (original approval in 1987, entry into force 01 Jan 1988). Users should check national registries or official standards publishers for the latest status or any amendments before using the text for conformity or procurement.

Q: Is it part of a series?

A: Yes — it belongs to a family of GOSTs addressing industrial pipeline valve parameters and dimensions; related standards that set basic parameters for different valve types and testing are cited in its normative references (see Related standards above).

Q: What are the key keywords?

A: Conical valve, plug valve, ball valve, shut‑off valve, nominal diameter (DU), nominal pressure (Ru), temperature range, valve connection types, valve mass, GOST 9702-87, ICS 23.060.20.