ISO 18464:2025 PDF

Name: ISO 18464:2025 — Hydraulic fluid power — Design methodology for energy efficient systems
SKU: ISO 18464:2025
Price: 25 EUR
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Hydraulic fluid power — Design methodology for energy efficient systems

Название (английский):

ISO 18464:2025

Hydraulic fluid power — Design methodology for energy efficient systems

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 10
Дата публикации:: 1 мая 2025 г.
Издание:: ISO IS 18464 edition 1 version 1
ICS:: 23.100.01

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Описание (английский):

This document specifies a design methodology for hydraulic systems that can be operated with the lowest possible energy consumption while maintaining the intended functionality of the stationary or mobile machinery in which they are installed. This document takes into account the duty cycles of the application. The definition of the duty cycles is not part of this document.

Abstract

Похожие стандарты

Упомянутые в описании и другие стандарты ISO

Overview

ISO 18464:2025 - Hydraulic fluid power - Design methodology for energy efficient systems - specifies a structured design methodology to minimise the energy consumption of hydraulic systems while maintaining required machine functionality. It applies to stationary and mobile machinery and requires designers to account for application duty cycles (definition of duty cycles is outside the standard). The document treats the hydraulic system including prime movers within the system boundary and focuses on energy performance during operation.

Key topics and technical requirements

Design methodology and process: A stepwise approach that integrates energy consumption as a primary design criterion alongside functional requirements.

Duty-cycle based design: Actuator and control design must be based on time transients of force/speed (linear actuators) or torque/rotation speed (rotary actuators).

Actuator dimensioning: Select and size actuators to match load and speed requirements - avoid oversizing and aim to minimise the difference between working and supply pressure.

Control strategies: Use pump flow rate control or adjust system supply pressure to match demand. Prioritise recovery and regenerative concepts where applicable and minimise control/auxiliary power (e.g., PWM to reduce holding current).

Hydraulic power supplies: Feed only the hydraulic energy required by the duty cycle; use prime mover speed control with fixed/variable displacement pumps; avoid prolonged idle pump operation; consider accumulators for peak power when net energy savings are achieved.

Power distribution (piping): Design for laminar flow, avoid abrupt diameter changes, prefer bent pipes over elbow connectors to reduce pressure loss (see Annex B for recommendations).

Hydraulic fluid selection: Choose the lowest practical viscosity meeting functional and temperature-range requirements while respecting component manufacturer guidance and wear considerations.

Auxiliary components: Account for cooling/heating, filters, sensors and valves; dimension for minimal pressure loss.

Energy calculation and rating: Provides an energy accounting method over duty cycles, including recuperated energy and energy stored in accumulators, using integrals of primary power supply and recuperation transients; component efficiency maps should be considered.

Applications and users

ISO 18464:2025 is intended for:

Hydraulic system designers and OEMs (mobile and stationary machinery)

System integrators and control engineers optimizing energy performance

Product managers and sustainability engineers targeting reduced operational energy use

Procurement and compliance teams evaluating energy-efficient hydraulic solutions

Typical machine applications include presses, clamps, heavy-motion drives (e.g., excavators), hydrostatic transmissions and mass compensation systems.

Related standards

ISO 5598 - Fluid power systems and components - Vocabulary (normative reference used by ISO 18464).

Prepared by ISO/TC 131 (Fluid power systems), Subcommittee SC 9 (Installations and systems).

Keywords: ISO 18464, hydraulic fluid power, energy efficient systems, hydraulic systems design, duty cycles, actuator dimensioning, hydraulic power supplies, piping design, hydraulic fluid viscosity.

ISO 18464:2025 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Applications and users

Related standards

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