February 2026: New Standards for Fluid Systems and Components Released

In February 2026, major updates were introduced in the field of Fluid Systems and Components for General Use, offering new and revised guidance to manufacturers, engineers, compliance officers, and procurement specialists around the world. This cycle includes five significant standards from ISO and CEN, covering rotary tooling, seamless gas cylinders, plastic piping system assessments, and general pressure vessel requirements. These standards enhance the reliability and safety of fluid handling equipment, improve conformity assessment processes, and ensure industry-wide alignment with the latest technical best practices.

Overview

Fluid systems and components play a critical role in industrial applications ranging from chemical processing to utilities infrastructure and general manufacturing. Ensuring the safe, efficient, and compliant operation of piping systems, rotary tools, pressure vessels, and associated components relies on robust international standards. With this wave of new publications and technical specifications, organizations gain up-to-date benchmarks for performance, testing, material selection, and conformity assessment.

In this article, you'll discover:

• The latest international and European standards for fluid systems and components
• Key technical requirements and practical impacts
• Who needs to comply and how to navigate the changes
• Insights for implementation, compliance, and certification

Whether you are a quality manager, R&D engineer, compliance specialist, or procurement lead, this guide will help you understand and apply the newest standardization updates for February 2026.

Detailed Standards Coverage

ISO 17104:2026 - Performance Testing for Rotary Impulse Tools

Rotary tools for threaded fasteners — Impulse and impulsing tools — Performance test method

This standard specifies laboratory performance test methods for hydraulic impulse and electric impulsing tools used to install threaded fasteners. ISO 17104:2026 covers tools powered by pneumatic, electric (including battery-powered), within the torque range of 0.5 N·m to 800 N·m. It details procedures for performance testing, equipment and ambient conditions, assessment of torque repeatability (scatter), and comprehensive guidelines for documenting test results.

Organizations benefit from clear definitions of rotary tools, standardized test procedures, and instructions for both manufacturers and end-users on torque adjustments. The document also references detailed equipment specifications and preferred test joint configurations to ensure comparability and repeatability.

Key requirements:

• Applicability to impulse tools using discontinuous rotation, but not impact or ratchet wrenches
• Procedures for torque repeatability testing across specified torque adjustment ranges
• Guidelines for reporting, documentation, and evaluation of test data
• Recommendations for modifications outside the standard torque range (with documentation)
• Distinction between torque and clamp force-based performance evaluation

Practical implications:

• Manufacturers must perform range-wide testing; users may perform single-point validation
• Laboratories and QA departments must adapt to updated technical definitions, starting test points, and enhanced clarity for consistency
• Revisions include more precise method explanations and options for single-point user tests

Key highlights:

• Encompasses all modern impulse tool designs and power sources
• Improved clarity and standardization of test methods
• Supports both manufacturer-wide tool range testing and flexible user validation

Access the full standard:View ISO 17104:2026 on iTeh Standards

ISO 9809-4:2026 - Refillable Seamless Stainless Steel Gas Cylinders

Gas cylinders — Design, construction and testing of refillable seamless steel gas cylinders and tubes — Part 4: Stainless steel cylinders with an R m value of less than 1 100 MPa

ISO 9809-4:2026 sets out minimum requirements for materials, design, construction, and testing of refillable, seamless stainless steel gas cylinders up to 150 liters in water capacity (with a provision for up to 450 liters for voluntary compliance). This edition applies to cylinders intended for compressed, liquefied, and dissolved gases with a maximum actual tensile strength (Rma) below 1,100 MPa.

The standard covers all steps, from base metal specifications through fabrication, heat treatment, test procedures, and marking. It places special emphasis on chemical composition controls, weld qualification, mechanical property verification (tensile, impact, hardness), corrosion testing, and type approval protocols required for international acceptance and regulatory compliance.

Key requirements:

• Detailed inspection and testing at manufacturing (including hydraulic burst and cyclic pressure tests)
• Clear guidelines for chemical composition, wall thickness, finishing, and imperfections
• Defined marking and certification procedures for global regulatory compliance
• Applicability to cylinders storing a wide range of industrial gases

Practical implications:

• Cylinder manufacturers must implement rigorous process controls and batch release protocols
• Procurement teams gain assurance in international supply by referencing ISO-compliant cylinders
• Compliance with UN Model Regulations and EU pressure equipment directives is streamlined

Key highlights:

• Covers full design and testing lifecycle for stainless steel cylinders
• Improved definitions, test sequences, and calculation updates from prior editions
• Clarifies technical procedures for high-integrity pressure equipment

Access the full standard:View ISO 9809-4:2026 on iTeh Standards

ISO/TS 23818-1:2026 - Conformity Assessment for PE Piping Systems in Pipeline Rehabilitation

Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines — Part 1: Polyethylene (PE) material

This technical specification offers a comprehensive conformity assessment scheme for polyethylene (PE) piping systems and assemblies used in rehabilitating existing pipelines, in line with ISO 11300-1 and ISO 11301-1. It integrates with manufacturers’ quality plans as part of ISO 9001-based quality management systems and serves as a basis for certification.

The document details procedures for:

• Type testing (TT)
• Batch release testing (BRT)
• Process verification (PVT)
• Audit testing by third parties
• Documentation and sampling requirements

It further distinguishes requirements for non-pressure and pressure applications, linking to related standards for water, gas, and sewage pipeline rehabilitation.

Key requirements:

• Manufacturer quality systems must incorporate conformity assessment flows for PE products
• Defined sample, test frequency, and characteristic verification for installed systems
• Provisions for direct and indirect testing, certification, and traceability

Practical implications:

• Manufacturers and installers must align quality documentation and testing to new ISO/TS requirements
• Utilities, infrastructure managers, and third-party certifiers ensure installed rehabilitation systems meet international best practices
• Facilitates smoother certification processes across global markets

Key highlights:

• Harmonized conformity scheme for PE rehabilitation piping systems
• Detailed technical and quality management procedures for certification
• Supports rapid, reliable infrastructure rehabilitation using modern materials

Access the full standard:View ISO/TS 23818-1:2026 on iTeh Standards

ISO/TS 23818-3:2026 - Conformity Assessment for PVC-U Piping Systems in Pipeline Rehabilitation

Assessment of conformity of plastics piping systems for the rehabilitation of existing pipelines — Part 3: Unplasticised poly(vinyl chloride) (PVC-U) material

Similar to Part 1 (PE), ISO/TS 23818-3:2026 provides the conformity assessment framework for unplasticised poly(vinyl chloride) (PVC-U) piping systems used in the rehabilitation of existing pipelines, based on ISO 11300-3. It is to be integrated into the manufacturer’s ISO 9001 quality management system, forming the basis for certification by competent bodies.

Key aspects include:

• Testing and inspection grouping for product families, fittings, and assemblies
• Type, batch release, process verification, and audit test structures
• Specific requirements for non-pressure underground drainage and sewerage applications
• Linkages to EN and ISO system standards for PVC-U materials and installations

Key requirements:

• Implementation of multi-tiered testing and documentation within QMS
• Conformance checks for as-installed and as-manufactured properties
• Certification pathways for product acceptance in regulated markets

Practical implications:

• Manufacturers of PVC-U rehabilitation piping must realign inspection and test protocols to match the updated flows
• Asset owners and infrastructure operators benefit from increased quality assurance in rehabilitation projects
• Certification and inspection bodies gain clear, harmonized procedures

Key highlights:

• Detailed, staged conformity assessment for PVC-U products
• Structure supports full traceability and certification for pipeline rehabilitation
• Harmonized with latest ISO, EN, and sector regulations

Access the full standard:View ISO/TS 23818-3:2026 on iTeh Standards

FprEN 286-1 - Simple Unfired Pressure Vessels for Air or Nitrogen

Simple unfired pressure vessels designed to contain air or nitrogen - Part 1: Pressure vessels for general purposes

Draft European Standard FprEN 286-1 addresses the design and manufacture of simple welded unfired pressure vessels for the storage of air or nitrogen. It is targeted at vessels manufactured in series, with a geometry that supports efficient and standardized production—either cylindrical with dished ends or dual-dished.

This document specifies constraints on operating pressure (greater than 0.5 bar, up to 30 bar), vessel capacity (PS·V between 50 bar·l and 10,000 bar·l), temperature ranges, and allowable materials (non-alloy steels and aluminium alloys).

Special exclusions apply for vessels intended for nuclear, transport, fire extinguisher use, or chemical service.

Key requirements:

• Strict material and welding standards for pressurized parts
• Geometric definitions for vessel configurations and joinery
• Comprehensive design calculation and wall thickness rules
• Defined test procedures, marking, and records requirements

Practical implications:

• Manufacturers must review design portfolios to ensure coverage by this standard when producing pressure vessels for general air/nitrogen service
• Streamlines product acceptance for vessels compliant with EU Pressure Equipment Directive 2014/29/EU
• Supports safe scaling of production through series fabrication controls

Key highlights:

• Applies to wide industrial uses, excluding nuclear, ship, and specialized chemical containment
• Rigorous testing and documentation for proven safety
• Assures harmonized compliance within the EU and internationally

Access the full standard:View FprEN 286-1 on iTeh Standards

Industry Impact & Compliance

The release of these five standards is set to shape the landscape for professionals across fluid system engineering, manufacturing, and maintenance. Organizations that adopt these standards gain...

• Higher safety and reliability: Updated design, testing, and assessment protocols reduce product failures and operational risks.
• Improved regulatory compliance: Aligns with global directives (e.g., EU PED, UN regulations) and streamlines product acceptance in international markets.
• Quality assurance: Enhanced conformity and traceability facilitate more predictable results and easier certification.
• Competitive advantage: Early compliance demonstrates an organization’s commitment to safety and state-of-the-art practices, improving market access and customer trust.

Compliance considerations and timelines:

• Manufacturers should review their current processes against the updated requirements and initiate gap analyses.
• Certification bodies, QA teams, and procurement specialists must update supplier and documentation requirements to reflect new standards.
• Industry professionals should monitor compliance deadlines and update training for affected personnel.
• Non-compliance risks include legal exposure, insurance limitations, and market access barriers.

Technical Insights

Common technical themes across these standards:

• Emphasis on structured, verifiable testing (type testing, batch release, process verification, and audit tests)
• Integration with quality management systems (notably ISO 9001)
• Rigor in documentation, traceability, and marking of compliant products
• Harmonization with international regulatory frameworks for fluid and pressure systems

Implementation best practices:

1. Gap Analysis: Benchmark current practices vs. new standard requirements.
2. QMS Integration: Integrate conformity assessment and testing procedures into your ISO 9001 systems.
3. Supplier Collaboration: Work with suppliers and contractors to ensure material and component conformity.
4. Training & Awareness: Educate key personnel on new procedures and compliance requirements.
5. Document Control: Maintain robust records for audits, batch traceability, and regulatory submissions.
6. Testing & Certification Coordination: Schedule and document all required laboratory and process verification tests for peace-of-mind and certification readiness.

Testing and certification considerations:

• Rely on accredited, competent laboratories for third-party testing and certification.
• Ensure that all modifications to standard test methods are clearly documented in reports, as required by some standards.
• Maintain open lines of communication with certification and inspection bodies—proactive collaboration helps smooth audits and approvals.

Conclusion & Next Steps

The publication of these standards in February 2026 marks a pivotal advancement for professionals responsible for the design, manufacture, and operation of fluid systems and components. To maintain industry leadership and compliance:

• Conduct a comprehensive review of these new standards and their applicability to your operations
• Update your internal procedures, documentation, and quality management integrations accordingly
• Engage with iTeh Standards for the latest documentation, full-text standard access, and up-to-date compliance resources
• Stay proactive—early adoption paves the way for safer, more efficient, and more competitive operations

Stay updated with the latest in international standards by exploring all five new publications in this release on iTeh Standards.