Flexible Corrugated Stainless Steel Tube

Size
Roll Length

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Why Flexible Stainless Steel as a Solar Hose?

Annealing heat treatment, food safety grade, no soldering joint, up to 100 linear meter per roll, can be cut to any length thus eliminating waste, much faster and easier installation than Copper and even PEX. Flexible Stainless steel tubing is a must have for any solar installation. It is highly resistant to corrosion and heat losses. Traditional copper piping loses heat 20 times faster than stainless steel tubing due to the much higher heat conductivity of copper, resulting in much higher efficiency for solar systems which use stainless steel tubing. Because of the lower conductivity of heat, not only does it save energy, but the stainless steel tubing also will not reach as high temperatures as copper would and thus negates the problem of insulation melting or catching on fire.

Pressure and Temperature Rating:

Work Temperature range from -200℃ to 150℃, Max to 175℃ (including Joints). 

DN ID mm OD mm Bending Radius mm  Maximum Applicable Pressure Kgf/cm2 Burst Pressure Kgf/cm2
DN12 12 16 30 17.5 200
DN16 16 20 50 15 200
DN20 20 25 60 12 200
Dn25 26 32 80 10 120

 

Joinability and Ease of Fabrication: 

Since Stainless Steel solar pipes are flexible, they are much easier to work with. All the installer has to do is to open the box, uncoil the piping and then start snacking it through the building. Unlike Copper Coils, changing directions with Stainless Pipes does not required any Cutting, welding, brazing or special tools (such as pipe Bender, etc...). For More information on how to manipulate Solar Flexible Stainless Steel pipes, refer to our technical Blog: Step by Step Solar Hose Installation.

Friction Loss:

This product has a great place in systems whose pump flow rates are small if you used the 3/4 inch sized stainless steel product. On the one hand, the 1/2 inch SS Pipe has about four to five time the head loss of smooth copper pipe of the same size. On the other hand SS Pipe has less short radius elbows. That's why we don't recommend using the 1/2 Inch pipe size for applications having more than one Vacuum Tube Collector. For more information please refer to our Flexible Solar Pipes Friction Loss Chart.

Type Part No. Flexible Corrugated
Stainless Steel Tube Size
Threaded Pipe Connection Fittings Size
Outer
Diameter
Inner
Diameter
1/2" HSS12 16mm 12mm 1/2"
3/4" HSS20 20mm 16mm 3/4"
1" HSS25 25mm 20mm 1"
1¼" HSS32 32mm 26mm 1¼"

 

An example of a Solar Water Heater Installation with Stainless Steel Solar Hose

Solar Hose Application