What is BS 5409-1 - Specification for nylon tubing about?  
BS 5409-1 specifies requirements for fully plasticized nylon (polyamide) tubing manufactured from nylon of either type 11 or type 12 and of nominal outside diameter from 4 mm to 28 mm, of two grades differentiated by the tubing wall thickness, and for use either in pneumatic installations or in fluid transfer, but excluding both use with beverages or foodstuffs and use in domestic central heating systems.
Who is BS 5409-1- Specification for nylon tubing for?  
BS 5409-1 on specifications for nylon tubes is for:
- Nylon tubes manufacturers and suppliers   
- Installers of nylon tubes
- Test providers for pneumatic installation
Why should you use BS 5409-1 - Specification for nylon tubing? 
Nylon is the most useful synthetic material with applications varying from daily life activities to industries. It is a plastic which can be drawn into fibres or moulded into daily products for making amenities
BS 5409-1 provides specifications and requirements for fully plasticized nylon tubing of pipework and equipment for pneumatic installation.
BS 5409-1 provides you with general specifications and requirements for different tests of tubing that help you to check whether they will withstand variable temperatures. 
The test methodologies given in BS 5409-1 enable you to examine the nylon tubings for any signs of deformation or delamination of reinforcement or lining, which contributes a lot to maintaining the high quality and efficient functioning.