Stainless Steel Pigtail Assemblies are crucial components used for gas transfer applications, ensuring a secure connection between gas cylinders and the equipment they power. Hydraflex offers a variety of these assemblies, catering to the needs of different sectors including industrial, commercial, and domestic settings.

Construction and Compliance

Hydraflex’s Stainless Steel Pigtail Assemblies are built with quality Stainless Steel 316/304 material, ensuring durability and longevity for over 20 years They consist of stainless steel annular corrugated tubing with an external stainless steel wire braid, coated with an extruded PVC cover. The assemblies are manufactured to the EN 10380:2003 standard and are 100% individually pressure tested prior to dispatch to ensure compliance and safety​1​. Other brands also offer stainless steel pigtail assemblies with similar construction features such as a clear PVC cover and stainless steel braiding​​.


The primary application of these assemblies is to provide a safe and reliable connection for gas transfer between cylinders and appliances or equipment. They are suitable for both high and low-pressure applications, ensuring a consistent gas supply.

Benefits and Features

Some of the key benefits and features of Hydraflex’s Stainless Steel Pigtail Assemblies include a temperature operating range of -269°C to +650°C, zero permeation, 20-year recommended replacement date, and a maximum safe working pressure of 120 bar. Moreover, these assemblies are made in the UK, ensuring quality and reliability​​.

Availability and Customisation

Hydraflex offers standard stock lengths ranging from 400mm to 3000mm, and bore sizes of 20", 24", 35", 36", 42", and 48". They provide the flexibility of customising the assemblies with various end fittings and lengths upon request. Also, customers have the option to choose from different coloured stripes for easy identification​.

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