GSO ISO 6626-3:2025

ISO 6626-3:2019
Gulf Standard   Current Edition · Approved on 14 October 2025

Internal combustion engines — Piston rings — Part 3: Coil-spring-loaded oil control rings made of steel

GSO ISO 6626-3:2025 Files

GSO ISO 6626-3:2025 Scope

This document specifies the essential dimensions of coil-spring-loaded oil control rings made of steel, of piston ring types SOR (with R-shaped groove) and SOV (with V-shaped groove).

This document applies to coil-spring-loaded oil control rings made of steel with a diameter from 60 mm up to and including 160 mm for reciprocating internal combustion engines. It can also be used for piston rings in compressors working under analogous conditions.

Best Sellers From Mechanical Sector

OS GSO 42:2015
GSO 42:2015 
Omani Standard
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 42:2015
 
Gulf Technical Regulation
MOTOR VEHICLES - GENERAL REQUIREMENTS
GSO 159:1993
 
Gulf Technical Regulation
MOTOR VEHICLES – DIMENSIONS AND WEIGHTS
OS GSO 159:1993
GSO 159:1993 
Omani Standard
MOTOR VEHICLES – DIMENSIONS AND WEIGHTS

Recently Published from Mechanical Sector

GSO ECE 148:2026
ECE 148:2023 
Gulf Standard
Uniform provisions concerning the approval of light-signalling devices (lamps) for power-driven vehicles and their trailers
GSO ISO 24596:2026
ISO 24596:2024 
Gulf Standard
Drinking water, wastewater and stormwater systems and services — Guidelines for the planning and implementation of infrastructure hardening for water and wastewater systems
GSO ISO/TR 7035-2:2026
ISO/TR 7035-2:2024 
Gulf Standard
Design and asset management of DIP for water application — Part 2: Design, installation and operation
GSO ECE 14:2026
ECE 14:2024 
Gulf Standard
Uniform provisions concerning the approval of vehicles with regard to safety-belt anchorages