BS EN ISO 5771:1996 - Rubber hose and hose assemblies for transferring anhydrous ammonia. Specification
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BS EN ISO 5771:1996 is a British Standard that specifies requirements for rubber hoses and hose assemblies used for transferring anhydrous ammonia, which is a compound of nitrogen and hydrogen with the chemical formula NH3. This standard provides guidelines for the design, construction, and testing of hoses and hose assemblies to ensure their safe and effective use in transferring anhydrous ammonia.
Here are some key points that the standard likely covers:
Design and Construction: The standard would define the requirements for the design and construction of the rubber hoses and hose assemblies. This could include specifications for the materials to be used, the hose dimensions, reinforcement layers, and the overall construction to ensure the hose's integrity and durability.
Performance and Testing: The standard would likely outline the testing procedures that the hoses and hose assemblies must undergo to ensure their performance and safety. These tests might include pressure testing, leak testing, and other assessments to ensure that the hoses can withstand the conditions and pressures involved in transferring anhydrous ammonia.
Marking and Labeling: To ensure proper identification and traceability, the standard might provide guidelines for marking and labeling the hoses and hose assemblies. This could include information about the manufacturer, product specifications, and any relevant safety information.
Temperature and Pressure Ranges: The standard would likely specify the acceptable temperature and pressure ranges within which the hoses and hose assemblies can be safely used for transferring anhydrous ammonia.
Safety Considerations: Safety would be a paramount concern, so the standard might provide guidance on precautions to take during storage, handling, installation, and use of these hoses and assemblies. This could include recommendations for protective measures and emergency procedures.
Compatibility: Anhydrous ammonia can be chemically reactive, so the standard might address compatibility issues with the materials used in the hoses and hose assemblies to prevent any adverse reactions.
Maintenance and Inspection: The standard might include recommendations for maintenance and periodic inspection of the hoses and hose assemblies to ensure their ongoing safe and effective use.
