ISO 6953-1:2024

Overview

ISO 6953-1:2024 - "Pneumatic fluid power - Compressed air pressure regulators and filter‑regulators - Part 1" defines the main characteristics that suppliers must include in product literature and the product‑marking requirements for compressed air pressure regulators and filter‑regulators. The standard covers manually controlled direct‑operated, manually controlled internal‑pilot (e.g. nozzle‑flapper) and pressure‑pilot operated types. It applies to regulators with a rated inlet pressure up to 2 500 kPa (25 bar) and outlet adjustment up to 1 600 kPa (16 bar); filter‑regulators are covered up to 1 600 kPa (16 bar).

Key topics and technical requirements

• Scope & device types: Manual direct‑operated, internal‑pilot and pressure‑pilot regulators; combined filter‑regulator units.
• Supplier literature content: Mandatory technical data to help users select appropriate regulators (general and particular characteristics).
• Dimensions and ports: Standardized dimension details (mounting, clearances) and port forms following ISO 16030 / ISO 1179 / ISO 7‑1.
• Rated pressure classification: Per ISO 2944 and verified using the test methods in ISO 6953‑2:2024.
• Operating temperature range: Material and operational temperature limits must be stated; alternative pressure/temperature combinations must be identified.
• Adjustable pressure ranges: Preferred upper limits (examples up to 1 600 kPa) and note on special ranges.
• Performance curves and characteristics: Required flow‑rate vs regulated pressure curves, pressure regulation vs inlet pressure, pilot/regulated pressure relationships, repeatability, sensitivity and resolution metrics.
• Additional requirements: Air consumption (for pilot systems), reservoir retention capacity, filter draining devices, materials of construction, maintenance and operation guidance.
• Marking: Product marking requirements to identify pressure ratings, ports, mounting and compliance information.

Applications and who uses this standard

ISO 6953‑1:2024 is essential for:

• Manufacturers and suppliers preparing product literature, datasheets and markings for compressed air pressure regulators and filter‑regulators.
• System designers and OEMs specifying regulators for pneumatic fluid power systems in industrial automation, machine tools, process plants, automotive assembly, packaging and HVAC.
• Procurement and compliance teams verifying vendor information and ensuring components meet pressure/temperature ratings.
• Test laboratories and maintenance engineers using the documented characteristics to validate performance and plan upkeep.

Related standards

• ISO 6953‑2:2024 - Test methods for the characteristics listed in Part 1
• ISO 10094‑1 - Electrically modulated electro‑pneumatic control valve characteristics
• ISO 6358‑1, ISO 2944, ISO 5782‑2, ISO 11727, ISO 5598 - related fluid power and test method standards

This standard improves clarity and comparability of compressed air pressure regulator data, helping buyers and engineers select the correct regulators and filter‑regulators for reliable pneumatic system performance.