Dual-Diameter Aluminum Capillary Tube
Two Diameters for Graded Flow Control
Our Dual-Diameter Aluminum Capillary Tube has two different diameters in one piece. There are no welds in the middle. This gives you precise flow control. It works well for multi-temperature refrigeration systems. The transition is smooth. Pressure loss is low. Your system gets stable performance. This tube is ideal for Gradual throttling applications.
Lightweight and Durable for Long Life
This Dual-Diameter Aluminum Capillary Tube is made from 3003 aluminum. The aluminum content is ≥99.5%. It resists corrosion and aging. The inner wall is smooth with no burrs. Flow is stable. The working temperature is from -45°C to +170°C. Our factory has 15+ years of experience in making dual-diameter tubes. We check every piece for size accuracy.
Custom Diameters and Quick Sample
Order this Dual-Diameter Aluminum Capillary Tube with your large end and small end sizes. Large end OD from 4.0mm to 22mm. Small end OD from 3.0mm to 6.0mm. Wall thickness from 0.5mm to 1.2mm. We offer custom flaring or reducing on ends. MOQ is 50-500kg. Sample in 48 hours. Delivery in 15-45 days. We accept T/T and L/C. Choose us for reliable aluminum capillary tubes.
Product Specifications Table
|
Parameter |
Value / Range |
|
Material |
3003 Aluminum |
|
Aluminum Content |
≥99.5% |
|
Temper |
O, H111 |
|
Large End OD |
4.0mm ~ 22mm |
|
Small End OD |
3.0mm ~ 6.0mm |
|
Wall Thickness |
0.5mm ~ 1.2mm |
|
Working Temp |
-45°C ~ +170°C |
|
Refrigerants |
R134a, R410A, R32, R404A |
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