>Threaded connection
1.Direct connection: When use stainless steel pipe connecting with composite pipe lined with stainless steel, it’s applicable for water and straight drinking water pipe which diameter is less than 80mm.
Shown as figure (1-1)
Galvanized pipe layer of composite pipe
Stainless steel tube fittings
Stainless steel layer of composite pipe
Figure (1-1)
2.Stepped connection: use pipe fitting lined with stainless steel connections can effectively ensure pure of the fluid during the transmission. It is easy and reliable to install. It is applicable for drinking water, milk, alcohol, beverages pipeline which diameter is less than 50mm. Shown as figure (1-2).
Galvanized pipe layer of composite pipe
Sealing layer
Stepped stainless steel tube fittings
Stainless steel layer of composite pipe
Figure (1-2)
>Flange connection
Used welding wire is A507, which make weld as single austenite, so that the weld will not cause corrosion. The flange connection is with connection strength, easy to dismantle and applies to drinking water, milk, alcohol, beverages pipeline which diameter is more than 50mm.
Shown as figure (2):
Stainless steel
Composite steel pipe
Weld
Carbon steel flange
Figure (2)
>Groove connection
1. Cutting and buckling type: use the slotting machine to cut. This connection is convenient, fast, safe and reliable, low cost, easy to removal. It’s applicable to drinking water, milk, alcohol, beverages pipeline which diameter is more than 50mm. Shown as figure 3-1；
Sealing ring
Clamps
Cutting grooves
Figure (3-1)
Rolling press connection: Roll from electric roller slot machines. This connection is convenient, fast, safe and reliable, low cost, easy to removal. It’s applicable to drinking water, milk, alcohol, beverages pipeline which diameter is more than 80mm. Shown as figure 3-2;
Sealing ring
Clamps
Rolling press groove
Figure (3-2)
Welding connection
Used welding wire is A507, which make weld as single austenite, so that the weld will not cause corrosion. The flange connection is with connection strength, easy to dismantle and applies to drinking water, milk, alcohol, beverages pipeline which diameter is more than 100mm. Shown as figure (4)
Galvanized pipe layer of composite pipe
Welding pool
Stainless steel layer of composite pipe
Gradient notch is 40-60º
Nested connection
Using nested connection of composite steel pipe lined with stainless steel can effectively ensure pure of the fluid during the transmission.
Shown as figure (5).
Sealing layer
Galvanized pipe layer of composite pipe
Stainless steel layer of composite pipe
Buckled stainless steel tube fittings
Compressed nut
Compressed steel ring
Figure (5)
