Overview
ISO 19922:2005 sets out the requirements for test benches used in determining the fire resistance of metallic pipe components featuring resilient or elastomeric seals. This standard is specifically designed for the field of ships and marine technology, where the safety and reliability of metallic piping systems are critical. ISO 19922:2005 works in conjunction with ISO 19921, which outlines the test methods for such components. By specifying how test benches must be equipped and operated, the standard ensures reproducible and reliable fire resistance testing that can underpin safety in demanding marine environments.
Key Topics
- Scope & Applicability: The standard covers metallic pipe components with flexible (resilient or elastomeric) seals and details the test bench requirements for fire resistance evaluation. It is not intended for plastic pipe systems.
- Test Bench Components: ISO 19922 describes essential elements of a compliant test bench, including:
- Burner chamber with appropriate connection for test pieces and exhaust gas handling
- Aggregate box for conditioning and controlling the cooling/test medium (typically water)
- Monitoring and recording systems for test parameters such as temperature, pressure, and duration
- Pressure-producing equipment to subject the pipe components to specified working pressures
- Operating Parameters: The test medium is typically water, supplied at controlled temperatures and adjustable pressure up to 1 MPa (10 bar). The fire exposure is simulated with a burner that produces enveloping flames around the test piece at a specified temperature.
- Safety Provisions: Detailed safety mechanisms are required for test bench operation, such as automatic gas shutoff, pressure relief valves, and water evacuation in case of component failure, to protect personnel and equipment.
Applications
- Shipbuilding and Marine Engineering: Ensuring that metallic pipe components with resilient or elastomeric seals maintain integrity and functionality during and after fire exposure, as required for safety-critical systems on vessels.
- Fire Resistance Certification: Manufacturers and testing laboratories use the standard to qualify piping components before installation on ships, supporting regulatory compliance and confidence in system performance.
- Research & Development: The method supports R&D for developing improved fire-resistant sealing technologies and robust pipeline systems used in harsh marine environments.
- Quality Assurance: Adherence to ISO 19922 supports systematic, controlled testing by specifying instrumentation, measurement tolerances, and documentation, contributing to consistent quality control procedures.
Related Standards
- ISO 19921: Directly referenced by ISO 19922, this standard details the fire resistance test methods for metallic pipe components with resilient and elastomeric seals and is essential for understanding the procedural context.
- ISO 10012: Specifies requirements for measurement management systems and measuring equipment, supporting the precision and reliability of instrumental readings on the test bench.
- IEC 60051-1: Provides definitions and requirements for analogue electrical measuring instruments, relevant for monitoring test parameters.
- IMO Resolution A.753(18): Offers guidelines for the application of plastic pipes on ships-testing for these is not covered by ISO 19922, but the IMO Resolutions may be applicable for non-metallic components.
By following ISO 19922:2005, marine engineers, manufacturers, and testing agencies can ensure that metallic piping systems are assessed reliably for fire resistance, promoting higher safety standards and compliance in the marine industry. For those seeking to certify or test pipe components used in maritime applications, this standard is an essential technical reference.
Open preview (PDF)Ships and marine technology — Fire resistance of metallic pipe components with resilient and elastomeric seals — Requirements imposed on the test bench
