Name: ISO 12151-3:2021 — Connections for hydraulic fluid power and general use — Hose fittings — Part 3: Hose fittings with ISO 6162-1 or ISO 6162-2 flange ends
SKU: ISO 12151-3:2021
Price: 25 EUR
Availability: InStock

Abstract

Overview

ISO 12151-3:2021 is an international standard developed by ISO that specifies the general and dimensional requirements for carbon steel hose fittings with ISO 6162-1 or ISO 6162-2 flange ends. These fittings are primarily intended for hydraulic fluid power systems and general-purpose applications. They are designed for nominal hose inside diameters from 12.5 mm to 76 mm and are used in conjunction with ports and clamps compliant with ISO 6162-1 and ISO 6162-2. The standard is critical for ensuring compatibility, safety, and reliable performance in hydraulic system assembly and maintenance.

Key Topics

Design Requirements
- Hose fittings must comply with dimensional criteria aligned with ISO 4397 for tube and hose sizes.
- Performance requirements, including working pressure, must meet the lower value among the flange style rating and relevant hose standards.
- Materials, predominantly carbon steel, but alternatives can be used if agreed between manufacturer and user.
- Certain finishes and coatings are mandated to provide corrosion resistance according to ISO 9227 salt spray tests.
Types and Identification
- Specifies straight and angled fittings (22.5°, 30°, 45°, 60°, 67.5°, and 90°), including long or medium drop elbows.
- Hose fittings are designated by a standardized code that includes angle, style, pressure series, and size.
Manufacturing and Quality
- Manufacturing may involve forging, cold forming, or machining from bar stock.
- High-quality standards are required to prevent leaks or failures.
Marking and Protection
- Permanent marking with manufacturer information is required.
- Protection during shipping and storage is addressed to prevent contamination and damage.

Applications

ISO 12151-3:2021 hose fittings are used in a wide range of industrial sectors where hydraulic fluid power is essential. Typical applications include:

Industrial Hydraulic Systems Used in machine tools, presses, and automated equipment where reliable fluid transmission is required.
Mobile Equipment Employed in construction, agricultural, and mining machinery to connect hydraulic hoses to pumps, cylinders, and valves.
General Fluid Transfer Suitable for connecting hoses in systems carrying oil-based or water-based fluids under pressure.
Maintenance and Repair Provides guidance for replacement or upgrading of hose fittings in compliance with international requirements, ensuring ongoing safety and compatibility.

By adhering to ISO 12151-3, manufacturers, suppliers, and end-users ensure interchangeability, reduce assembly errors, and maintain high performance in their hydraulic and fluid handling systems. The use of standardized fittings minimizes downtime and simplifies maintenance.

Related Standards

ISO 6162-1 / ISO 6162-2 Define the specifications for flange connections, ports, and mounting for hydraulic systems.
ISO 4397 Covers nominal outside diameters of tubes and hose sizes for fluid power connectors.
ISO 9227 Specifies procedures for salt spray corrosion testing of protective coatings.
ISO 1302 Addresses surface texture indication for technical product documentation.
ISO 4038, ISO 4039-1, ISO 4039-2 Apply to hose fittings used in hydraulic and pneumatic braking systems for road vehicles.
ISO 1436, ISO 3862, ISO 3949, ISO 4079 Include requirements for different hose types compatible with ISO 12151-3 fittings.
ISO 6605, ISO 19879 Detail test methods for hoses and hydraulic connections.

ISO 12151-3:2021 offers globally recognized criteria for the safe, efficient, and standardized use of hydraulic hose fittings with flange ends, facilitating best practices in system design and maintenance.

ISO 12151-3:2021 PDF

Похожие стандарты

Abstract

Overview

Key Topics

Applications

Related Standards

Технические детали

BS ISO 12151-3:2021

Connections for hydraulic fluid power and general use. Hose fittings. Hose fittings with ISO 6162-1 or ISO 61…

ISO 4397:1993

Fluid power systems and components — Connectors and associated components — Nominal outside diameters of tube…

SIST EN ISO 9227:2023/A1:2024

Corrosion tests in artificial atmospheres - Salt spray tests - Amendment 1: Footnote of warning (ISO 9227:202…

ISO 1302:1992

Technical drawings — Method of indicating surface texture

ISO 4038:1984

Road vehicles — Hydraulic braking systems — Pipes, tapped holes, male fittings and hose end fittings

ISO 4039:1977

Road vehicles — Pneumatic braking systems — Pipes, tapped holes and male fittings